Phosphorus Dnrm Patents (Class 523/451)
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Patent number: 8779034Abstract: A low color epoxy resin composition comprising (a) an epoxy resin and (b) at least one an inorganic phosphorous-containing compound stabilizing agent, for example an additive such as sodium pyrophosphate dibasic (SPD) compound; wherein the resulting epoxy resin composition is storage stable and the epoxy resin composition exhibits a low color. The low color epoxy resin composition is used to prepare an epoxy encapsulant which is useful in light emitting diodes (LEDs).Type: GrantFiled: September 29, 2010Date of Patent: July 15, 2014Assignee: Dow Global Technologies LLCInventors: Robert F. Eaton, James W. Carter, John M. Beckerdite
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Publication number: 20140187676Abstract: The present invention provides an epoxy resin composition for sealing a geomagnetic sensor module, including: an epoxy resin; a curing agent; and a phase change material, and provides a geomagnetic sensor module sealed with the epoxy resin composition. The present invention is advantageous in that a geomagnetic sensor can be maintained at a predetermined temperature because a sealing material including a phase change material is used.Type: ApplicationFiled: March 17, 2013Publication date: July 3, 2014Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Sung Ho Lee, Boum Seock Kim, Eun Tae Park, Se Hoon Jeong
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Publication number: 20140179831Abstract: Fire retardant or flame retardant additives are incorporated into thermoplastic, thermoset, and/or elastomeric polymer materials to form polymer compositions having improved fire retardant properties. More particularly, the polymer compositions of the present invention comprise additive compositions which have the effect of improving the FR effectiveness, the additive compositions comprising a mesoporous silicate additive. In addition, the polymer compositions of the present invention comprise additive compositions comprising a mesoporous silicate additive and a filler, wherein the filler is a flame retardant addition, an inert filler, or combinations thereof.Type: ApplicationFiled: July 19, 2013Publication date: June 26, 2014Inventors: Thomas J. Pinnavaia, Joel I. Dulebohn, Bruce Nanasy
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Publication number: 20140178685Abstract: The invention relates to an aqueous sizing composition for reinforcing charges, preferably glass fibers, comprising a silane coupling agent, an epoxy film forming polymer comprising 2-8 reactive epoxy groups per chain and compatible with thermoplastic polyester matrix resin selected from PET and PBT, and a hypophosphite in an amount of 5 to 30 w % of the composition, preferably 7 to 25 w %, more preferably 10 to 20 w % and most preferably 12 to 18 w % of the composition. A thermoplastic polyester resin reinforced with glass fibers coated with a sizing composition of the invention shows improved resistance to staining and improved tensile elongation at break. The sizing composition further improves processability of the sized fibres.Type: ApplicationFiled: July 24, 2012Publication date: June 26, 2014Applicant: 3B-FIBREGLASS SPRLInventors: Nadia Masson, Willy Piret
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Publication number: 20140178697Abstract: A halogen-free resin composition includes (A) 100 parts by weight of epoxy resin; (B) 2 to 15 parts by weight of oxydianiline (ODA); and (C) 2 to 20 parts by weight of amino triazine novolac (ATN) resin. The halogen-free resin composition includes specific ingredients, and is characterized by specific proportions thereof, to thereby achieve a low dielectric constant, a low dielectric dissipation factor, high heat resistance, and high flame retardation, and thus is suitable for producing a prepreg or resin film to thereby be applicable to copper clad laminates and printed circuit boards.Type: ApplicationFiled: March 15, 2013Publication date: June 26, 2014Applicant: ELITE ELECTRONIC MATERIAL (ZHONGSHAN) CO.,LTDInventor: ELITE ELECTRONIC MATERIAL (ZHONGSHAN) CO., LTD.
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Publication number: 20140145339Abstract: A mold compound is provided for encapsulating a semiconductor device (101). The mold compound comprises at least approximately 70% by weight silica fillers, at least approximately 10% by weight epoxy resin system, and beneficial ions that are beneficial with respect to copper ball bond corrosion. A total level of the beneficial ions in the mold compound is at least approximately 100 ppm.Type: ApplicationFiled: January 31, 2014Publication date: May 29, 2014Applicant: FREESCALE SEMICONDUCTOR, INC.Inventors: Sheila F. CHOPIN, Varughese MATHEW, Leo M. HIGGINS, III, Chu-Chung LEE
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Publication number: 20140138128Abstract: In accordance with the present invention, compositions are described which are useful, for example, for the preparation of metal-clad laminate structures, methods for the preparation thereof, and various uses therefor. Invention metal-clad laminate structures are useful, for example, in the multi-layer board (MLB) industry, in the preparation of burn-in test boards and high reliability boards, in applications where low coefficient of thermal expansion (CTE) is beneficial, in the preparation of boards used in down-hole drilling, and the like.Type: ApplicationFiled: January 24, 2014Publication date: May 22, 2014Applicant: ArlonInventors: Daniel Chang, Sam Najjar
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Publication number: 20140128510Abstract: A resin composition prepared by blending an epoxy compound represented by the following formula (1), an acid anhydride, and a curing accelerator, wherein the epoxy compound is purified in such a way that, in a chromatogram obtained by gas chromatographic analysis, a ratio of a peak area B of peaks derived from a heavier molecular mass portion having longer retention times than the epoxy compound to a peak area A of peak(s) derived from the epoxy compound B/A is 2.0×10?3 or less. [In the formula, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, and R12 each independently represent a hydrogen atom, a halogen atom, an alkyl group which may have a substituent, or an alkoxy group which may have a substituent.Type: ApplicationFiled: April 5, 2012Publication date: May 8, 2014Applicant: JX NIPPON OIL & ENERGY CORPORATIONInventors: Atsushi Kameyama, Takashi Suzuki, Ryuichi Ueno, Isao Ishikura
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Patent number: 8710122Abstract: This disclosure relates to flame retardants that are useful for epoxy resin systems. Coating compositions and methods are provided the include an epoxy resin and a phosphate-containing flame retardant wherein the phosphate-containing flame retardant is selected from Group 1 metallic salts of a phosphate of a saccharide, Group 2 salts of a glycerophosphate, and Group 1 metallic salts of a polyphosphate. The provided flame retardants have low toxicity and are friendly to the environment.Type: GrantFiled: November 24, 2009Date of Patent: April 29, 2014Assignee: 3M Innovative Properties CompanyInventors: Richard B. Ross, Yi He, Lisa S. Lim, Haohao Lin, Eumi Pyun
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Patent number: 8709587Abstract: Disclosed is a resin composition exhibiting a low thermal expansion coefficient, as well as higher heat resistance, flame resistance and insulation reliability than ever before when used in a multilayer printed wiring board that requires fine wiring work. Also disclosed are a prepreg, a resin sheet, a metal-clad laminate, a printed wiring board, a multilayer printed wiring board and a semiconductor device, all of which comprising the resin composition. The resin composition of the present invention comprises (A) an epoxy resin, (B) a cyanate resin and (C) an onium salt compound as essential components.Type: GrantFiled: December 22, 2009Date of Patent: April 29, 2014Assignee: Sumitomo Bakelite Company, Ltd.Inventor: Kuniharu Umeno
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Publication number: 20140107257Abstract: A flame retardant composition is produced by mixing a flammable organic material with an inorganic phosphorus-inorganic phosphoric oxyacid compound or its salts. The inorganic phosphorus-inorganic phosphoric oxyacid compounds are produced by reacting an inorganic phosphorus compound having a valence of 3-4 with an inorganic phosphorus oxyacid with a valence of 5. Carbonization auxiliaries, metal-containing compound having a carbonization acceleration effect, a comb-like polymer and a filler may be added with the flame retardant composition.Type: ApplicationFiled: October 12, 2012Publication date: April 17, 2014Inventor: David H. Blount
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Publication number: 20140073721Abstract: A resin composition is provided which can be suitably used in a printed circuit board having excellent electrical properties, heat resistance and peel strength, with flame retardancy maintained, a prepreg and resin sheet which use the same, and a metal foil-clad laminate which uses the prepreg. A resin composition including a polyphenylene ether (A), a specific phosphorus-containing cyanate ester compound (B), a non-halogenated epoxy resin (C), a cyanate ester compound (D) and a filler (E) is used.Type: ApplicationFiled: March 22, 2012Publication date: March 13, 2014Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.Inventors: Michio Yaginuma, Shoichi Ito, Yoshitaka Ueno
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Publication number: 20140072818Abstract: The present invention relates to an epoxy resin composition, and a prepreg and a copper clad laminate made therefrom. The epoxy resin composition comprises: (A) epoxy resin containing two or over two epoxy groups, (B) active ester curing agent, and (C) phosphate salt compound. The epoxy resin composition of the present invention adopts epoxy resin with specific molecular structure, which has comparatively high functionality, so the cured products have high glass transition temperature and low hydroscopic property; active ester is adopted as the curing agent to make full use of the advantages that polar groups will not be produced when the active ester reacts with the epoxy resin; the prepreg and copper clad laminate made therefrom of the present invention can achieve halogen-free flame retardance, and meanwhile have excellent dielectric properties and good resistance to humidity and heat.Type: ApplicationFiled: March 15, 2013Publication date: March 13, 2014Applicant: GUANGDONG SHENGYI SCI.TECH CO., LTDInventors: Xian-Ping ZENG, Na-Na REN, Biao ZHOU
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Patent number: 8663803Abstract: A varnish composition includes composition (A): an epoxy resin, composition (B): a hardener, composition (C): an accelerator, composition (D): phosphor-containing flame retardant, and composition (E): fillers, wherein composition (A) includes composition (A-1): phosphor-containing epoxy resin, phosphor-containing and silicon-containing epoxy resin, or a mixture thereof; composition (A-2): dicyclopentadiene epoxy resin; and composition (A-3): oxazolidone epoxy resin.Type: GrantFiled: November 29, 2010Date of Patent: March 4, 2014Assignee: ITEQ CorporationInventors: Li-Chun Chen, Chun-Chieh Huang
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Publication number: 20140058016Abstract: The invention relates to the use of a powder coating composition consisting of a bonding agent system, a wax comprising an acid group, one or more basic metal compounds or SiO2 for producing a textured/structured coating surface.Type: ApplicationFiled: March 9, 2012Publication date: February 27, 2014Applicant: CLARIANT FINANCE (BVI) LIMITEDInventors: Timo Herrlich, Tobias Niederleitner
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Publication number: 20140005303Abstract: There is provided herein a flame retardant thermoplastic composition comprising: a. at least one thermoplastic polyester or polyamide; b. at least one brominated flame retardant; c. at least one metal phosphonate or phosphinate. There is also provided a method of making said flame retardant thermoplastic composition; and an article containing the thermoplastic polymer composition.Type: ApplicationFiled: December 20, 2011Publication date: January 2, 2014Applicant: ICL-IP America Inc.Inventors: Rachel Shtekler, Yoav Bar Yaakov, Pierre Georlette, Sergei V. Levchik
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Patent number: 8617705Abstract: There is disclosed an adhesive composition containing: (A) 100 parts by mass of a phenoxy resin; (B) 5 to 200 parts by mass of an epoxy resin; (C) 1 to 20 parts by mass of an alkoxysilane-partial hydrolytic condensate which is a partial hydrolytic condensate of alkoxysilane including one kind or two or more kinds of alkoxysilane represented by the following general formulae (1) and (2) Si(OR3)4??(1) R1Si(OR3)3??(2), wherein the weight average molecular weight is 300 or more and 30,000 or less and an amount of residual alkoxy is 2 wt % or more and 50 wt % or less; (D) a curing catalyst for an epoxy resin; (E) an inorganic filler; and (F) a polar solvent having a boiling point of 80° C. to 180° C. and a surface tension of 20 to 30 dyne/cm at 25° C. There can be a sheet for forming a semiconductor wafer-protective film and an adhesive composition capable of forming a protective film excellent in evenness, cutting characteristics and adhesiveness.Type: GrantFiled: February 23, 2011Date of Patent: December 31, 2013Assignee: Shin-Etsu Chemical Co., Ltd.Inventor: Nobuhiro Ichiroku
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Publication number: 20130345338Abstract: The treatment of an agricultural setting may be implemented by applying an adhesive using a pump sprayer. The agricultural setting may include mulch, pine straw, wood chips, and other materials used in landscaping. The adhesive may be used to keep the agricultural setting in place. For example, the adhesive may keep mulch from moving in heavy winds or during a storm.Type: ApplicationFiled: June 25, 2012Publication date: December 26, 2013Inventors: Michael R. Hoggatt, James Latham Zwynenburg, Roger W. Faulkner
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Publication number: 20130338264Abstract: Condensation products of melamine and phenylphosphonic acid, a process for their preparation, their compositions with polymeric materials and their use as flame retardants in polymer substrates are provided. The compositions are especially useful for the manufacture of flame retardant compounds based on polyfunctional epoxides or polycondensates, such as polyesters, polyamides and polycarbonates.Type: ApplicationFiled: March 9, 2012Publication date: December 19, 2013Applicant: BASF SEInventors: Thomas Weiss, Beat Michael Aebli, Rainer Xalter
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Publication number: 20130327558Abstract: Halogen-free flame retardant compositions comprising copolyetherester thermoplastic elastomers, melamine cyanurate and epoxy-containing compounds and cables and wires made from such flame retardant polymer composition provide good electrical insulation resistance during use.Type: ApplicationFiled: June 5, 2013Publication date: December 12, 2013Inventors: ELENI KARAYIANNI, JUDITH ALISON PEACOCK
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Publication number: 20130310486Abstract: The present invention aims to provide a carboxyl group-containing polyimide, and prepolymer thereof which give a cured product highly satisfying thermosetting property, PCT resistance, solvent resistance and peel strength at the same time. The present invention relates to a terminal acid anhydride group-containing imide prepolymer which is characterized by being produced by reacting an acid anhydride group in a tetracarboxylic acid dianhydride with an isocyanate group in a diisocyanate compound, and a carboxyl group-containing polyimide which is characterized in having such a structure where the chain of said terminal acid anhydride group-containing imide prepolymer is extended via a polyol compound. The present invention also relates to a thermosetting resin composition and a flexible metal-clad laminate which utilize such carboxyl group-containing polyimide.Type: ApplicationFiled: May 30, 2012Publication date: November 21, 2013Applicant: TOYOBO CO., LTD.Inventor: Tetsuo Kawakusu
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Publication number: 20130273796Abstract: The present invention relate to a halogen-free high-Tg resin composition and a prepreg and a laminate fabricated by using the same. The composition comprises, based on parts by weight of organic solids: (A) 10-50 parts by weight of a cyanate ester resin; (B) at least one compound having a dihydrobenzoxazine ring; (C) 10-50 parts by weight of at least one bismaleimide resin; (D) 10-50 parts by weight of at least one polyepoxy compound; and (E) 5-30 parts by weight of at least one phosphorus-containing flame retardant.Type: ApplicationFiled: September 3, 2011Publication date: October 17, 2013Inventors: Shiguo Su, Yueshan He
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Publication number: 20130273364Abstract: A powder composition including a resin and from 5% to 70%, by weight based on powder composition weight, of a corrosion-inhibiting pigment, optionally including from 0% to 65%, by weight based on powder composition weight, zinc, the composition being substantially free from pigment providing a metallic effect is provided. The corrosion-inhibiting pigment may be present in amounts of up to 50%, by weight based on powder composition weight, for example, up to 35%. A method for coating a substrate with the powder composition and the coated substrate so formed are also provided.Type: ApplicationFiled: May 29, 2013Publication date: October 17, 2013Applicant: Akzo Nobel Coatings International B.V.Inventors: Jason Paul Breidenstein, Douglas S. Cinoman, Paul R. Horinka, Edward G. Nicholl
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Patent number: 8552572Abstract: Provided is a resin composition for encapsulating a semiconductor which has excellent flame resistance and solder resistance, and can be manufactured at a low cost. The composition includes a phenol resin (A), an epoxy resin (B), and an inorganic filler (C).Type: GrantFiled: July 22, 2009Date of Patent: October 8, 2013Assignee: Sumitomo Bakelite Co., Ltd.Inventor: Masahiro Wada
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Publication number: 20130253093Abstract: Disclosed herein is an adhesive composition for clutch disc application comprising of an epoxy resin of bisphenol A and epichlotrohydrin, partially hydrogenated carboxylated nitrile butadiene rubber (HX-NBR) in solid form as a toughening agent in the ratio 80:20, and optionally with additives to obtain improved lap shear strength and cushioning properties.Type: ApplicationFiled: October 3, 2011Publication date: September 26, 2013Applicant: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCHInventors: Kundalik Ganpat Raut, Manohar Virupax Badiger, Sivaram Swaminathan, Vivek Vitthal Kodgire, Rajeshwari Shyamji Gour
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Publication number: 20130241086Abstract: Disclosed is a liquid curable epoxy resin composition which includes a cycloaliphatic epoxy compound (A) having at least one alicyclic skeleton and two or more epoxy groups per molecule; a silica (B); and a phosphite ester (C). The liquid curable epoxy resin composition preferably includes, for example, 5 to 80 parts by weight of the cycloaliphatic epoxy compound (A) having at least one alicyclic skeleton and two or more epoxy groups per molecule; 20 to 95 parts by weight of the silica (B); and 0.001 to 5.0 parts by weight of the phosphite ester (C), per 100 parts by weight of the total amount of the components (A) and (B).Type: ApplicationFiled: November 9, 2011Publication date: September 19, 2013Applicant: DAICEL CORPORATIONInventor: Masanori Sakane
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Publication number: 20130244042Abstract: The present invention relates to flame retardant polymer compositions which comprise phosphinic acid salts in combination with polymer chain extension agents on the basis of epoxide structures and oxides or hydroxides of selected metals. The compositions are especially useful for the manufacture of flame retardant compositions based on thermoplastic polymers, especially polyolefin homo- and copolymers, such as polybutylene terephthalate (PBT).Type: ApplicationFiled: December 1, 2011Publication date: September 19, 2013Applicant: BASF SEInventors: Ernst Minder, Heinz Herbst
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Publication number: 20130203896Abstract: The present invention refers to a chromium-free insulation coating material for non-oriented silicon steel, comprising, in parts by weight, the following components: metal dihydrogen phosphate salt of 100 parts, epoxy resin of 10˜60 parts, naphthenate drier or isooctanoate metal salt drier of 0.001˜10 parts, organic solvent of 0.001˜100 parts and pure water of 60˜2000 parts. The metal dihydrogen phosphate salt is Al(H2PO4)3, Mg(H2PO4)2, Ca(H2PO4)2 or Zn(H2PO4)2; the epoxy resin is water-soluble epoxy resin or epoxy resin emulsion. Chromium-free insulation coating material of the present invention, after being coated on non-oriented silicon steel, renders highly transparent appearance, and has excellent insulativity, corrosion resistance, adhesiveness, weldability and manufacturability, so as to eliminate defects of the existing chromium-free coating, such as sticky and un-wear-resistant and to meet environment protection requirements.Type: ApplicationFiled: April 13, 2011Publication date: August 8, 2013Inventors: Yunpeng Xu, Yongjie Yang, Dengfeng Li, Yaming Ji, Zipeng Zhao, Lingyun Chen, Xiao Chen, Jie Huang
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Publication number: 20130201605Abstract: Technologies are generally described for a nanocomposite polymer dielectric that may incorporate two types of nanoparticles and a polymer. One of the two types of nanoparticle may be a first, smaller nanoparticle, that may occupy spaces between larger second nanoparticles. Another of the two types of nanoparticle may be the second, larger, “high-?” nanoparticle, which supports the overall dielectric constant of the material. In an applied electric field, the first, smaller nanoparticle may redistribute local charge to homogenize electric fields in the dielectric material, tending to avoid the development of “hot spots”. Such a two-nanoparticle nanocomposite dielectric material may provide increased dielectric breakdown strength and voltage endurance in comparison with a nanoparticle dielectric which only contains a single type of “high-?” nanoparticle.Type: ApplicationFiled: March 29, 2011Publication date: August 8, 2013Applicant: Empire Technology Development, LLC.Inventors: Seth Adrian Miller, Gary Lynn Duerksen
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Publication number: 20130190425Abstract: A composition comprising polycarbonate, polyethylene terephthalate, organopolysiloxane-polycarbonate block copolymer, and epoxy-functional block copolymer for providing an improved balance of properties, including heat aging performance in combination with impact resistance. Articles molded from the composition are advantageously useful for automotive applications.Type: ApplicationFiled: January 19, 2012Publication date: July 25, 2013Inventors: Yantao Zhu, Josephus Gerardus Maria van Gisbergen, Johannes Hubertus G.M. Lohmeijer, Vishvajit Juikar, Tiahua Ding
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Publication number: 20130177771Abstract: The present disclosure provides a composition which includes a thermoplastic polyurethane, a flame retardant, and an epoxidized novolac resin. The flame retardant may be selected from one or more of the following: a melamine-containing compound, a nitrogen/phosphorus-based flame retardant, a phosphorus-based flame retardant, a metal-5 containing flame retardant, and combinations thereof. The composition may be a component of an article such as a coated wire or cable, with the composition present in the coating.Type: ApplicationFiled: June 26, 2009Publication date: July 11, 2013Inventors: Given J. Chen, Bin Li, Wei M. Ma, Xiang Y. Tai, Yu D. Qi, Kawai P. Pang, David H. Guo, Yabin Sun
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Publication number: 20130161080Abstract: A halogen-free resin composition includes (A) 100 parts per hundred resin of epoxy resin; (B) 1 to 100 parts per hundred resin of benzoxazine resin; (C) 1 to 100 parts per hundred resin of styrene-maleic anhydride; (D) 0.5 to 30 parts per hundred resin of amine curing agent; and (E) 5 to 150 parts per hundred resin of halogen-free flame retardant. The composition obtains properties of low dielectric constant, low dissipation factor, high heat resistance and flame retardancy by specific composition and ratio. Thus, a prepreg or a resin film, which can be applied to a copper clad laminate and a printed circuit board, is formed.Type: ApplicationFiled: December 22, 2011Publication date: June 27, 2013Inventor: Yu-Te LIN
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Publication number: 20130143984Abstract: The invention relates to curable compositions which comprise epoxy resins, amino hardeners, and a phosphonate of the formula I. Addition of phosphonate of the formula I can give cured epoxy resins which have not only improved flame retardants but also an increased glass transition temperature when comparison is made with the corresponding resins without said addition.Type: ApplicationFiled: June 7, 2012Publication date: June 6, 2013Applicant: BASF SEInventors: Michael Henningsen, Achim Kaffee, Jean-Francois Stumbe, Manfred Doering, Alexander Schmidt, Lin Zang, Volker Altstaedt, Johannes Kraemer
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Publication number: 20130126789Abstract: A thermosetting adhesive is configured to include a photoradical generator which generates radicals from irradiation of active energy rays in a thermosetting insulating adhesive component. In a repair method when this thermosetting adhesive is used, a cured matter of the thermosetting adhesive is made soluble or swellable in a predetermined solvent by irradiating the cured matter with active energy rays from the substrate side or the electronic component side prior to separating the electronic component from the substrate, and the cured matter is removed using such solvent. Alternatively, the cured matter of the thermosetting adhesive is made soluble or swellable in a predetermined solvent by irradiating the cured matter with active energy rays after the electronic component has been separated from the substrate, and the cured matter is removed using such solvent.Type: ApplicationFiled: January 2, 2013Publication date: May 23, 2013Applicant: Sony Chemical & Information Device CorporationInventor: Sony Chemical & Information Device Corporation
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Publication number: 20130131216Abstract: Disclosed is a liquid thermosetting epoxy resin composition including a base resin, a curing agent (D), and curing accelerator (E) or including a base resin and a curing catalyst (D?), each base resin including an alicyclic epoxy compound (A) having at least one alicyclic skeleton and two or more epoxy groups per molecule; a polyester polyol and/or a polycarbonate polyol (B), each polyol having two or more terminal hydroxyl groups; and a phosphorous ester (C). The liquid thermosetting epoxy resin composition exhibits excellent viscosity stability and can give a cured article which is homogeneous even when having a large thickness, does not crack under heat cycle conditions, and is highly thermally stable and satisfactorily optically transparent.Type: ApplicationFiled: July 20, 2011Publication date: May 23, 2013Applicant: DAICEL CORPORATIONInventor: Masanori Sakane
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Publication number: 20130122308Abstract: A resin composition is provided. The resin composition comprises: an epoxy resin; and a hardener, which is a stable solution obtainable from the following steps: (a) adding a N,O-heterocyclic compound of formula I or II and a DOPO-based compound into an organic solvent to provide a reaction solution: wherein R1 to R3, W1, W2, m, n, p and q are as defined in the specification; (b) heating the reaction solution to carry out a ring-opening reaction to provide a polymer solution; and (c) cooling the polymer solution to obtain the stable solution, wherein the organic solvent is unreactive to the N,O-heterocyclic compound and the DOPO-based compound, and the amounts of the DOPO-based compound and the hardener are as defined in the specification.Type: ApplicationFiled: January 13, 2012Publication date: May 16, 2013Applicant: TAIWAN UNION TECHNOLOGY CORPORATIONInventor: Hsin-Ho Wu
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Publication number: 20130053473Abstract: Disclosed herein is a method of preparing a high-melting point flame retardant crystal, comprising the steps of: reacting 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide with 1,4-naphthoquinone in an inert solvent having a dielectric constant of 10 or less to reduce a content of by-products, thereby obtaining a reaction composition; and dissolving the reaction composition in any one solvent selected from the group consisting of ethyleneglycol, propyleneglycol, diethyleneglycol, cyclohexanone, benzyl alcohol, acetate ester, benzoate ester and a mixture thereof to recrystallize and refine the reaction composition, thereby obtaining high-melting point retardant crystal, represented by Formula 1, having a start melting point of 280° C. or more and a melting point of 291° C.Type: ApplicationFiled: August 16, 2012Publication date: February 28, 2013Applicant: SANKO CO., LTD.Inventors: Daishiro KISHIMOTO, Yoichi UMEKI
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Patent number: 8362116Abstract: A low dielectric resin varnish composition for laminated printed circuit boards, wherein the resin composition includes (A) Dicyclo-pentadiene-Phenolic Novolac resin (abbreviated as DCPD-PN); or (B) at least one kind of dicyclopentadiene Phenolic Novolac Epoxy resins(DCPD-PNE, referred to as Resin 1); or (C) a novel Dicyclopentadiene-Dihydrobenzoxazine resin (DCPD-BX, referred to as Resin 2); and (D) Flame retardant agent, curing agent and accelerating agent solutions.Type: GrantFiled: March 15, 2010Date of Patent: January 29, 2013Assignee: Nan Ya Plastics CorporationInventors: Ming Jen Tzou, June Che Lu, Yi Cheng Lin
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Publication number: 20130018128Abstract: This invention relates to a process for producing compounds derived from 9,10-Dihydro-9-Oxa-10-Phosphaphenantrene-10-oxide (DOPO). In particular, the invention relates to producing DOPO-derived compounds by reacting DOPO with diol compounds in the presence of a catalyst. This invention also relates to DOPO derived composition containing a high melting point diastereomer. The DOPO derived compounds may be useful as flame-retardants.Type: ApplicationFiled: March 28, 2011Publication date: January 17, 2013Applicant: ALBEMARLE CORPORATIONInventors: Qiang Yao, Junzuo Wang, Arthur G. Mack
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Patent number: 8349224Abstract: The present invention relates to flame retardant polymer compositions which comprise melamine phenylphosphonates and mixtures with dihydro-oxa-phosphaphenanthrene derivatives. The compositions are especially useful for the manufacture of flame retardant compounds based on polyfunctional epoxides or polycondensates like polyesters, polyamides and polycarbonates.Type: GrantFiled: November 25, 2009Date of Patent: January 8, 2013Assignee: BASF SE LudwigshafenInventors: Sabine Fuchs, Thomas Weiβ, Rainer Xalter
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Publication number: 20130005857Abstract: Embodiments of the present disclosure provide a composition that includes a phosphorous-containing compound, a cyanate ester, an epoxy resin, and a maleimide. For the various embodiments, a viscosity of the composition increases less than 100% as measured by Gardner Bubble Viscosity a temperature of 23° C. in at least 3 days. For the various embodiments, the composition of the present disclosure can also include an aprotic solvent, such as a ketone. Embodiments of the present disclosure further include a composition that includes the phosphorous-containing compound, the cyanate ester, and the aprotic solvent. For the various embodiments, the composition can also include the epoxy resin and the maleimide. For the various embodiments, the composition does not include an aliphatic alcohol.Type: ApplicationFiled: January 26, 2011Publication date: January 3, 2013Inventors: Kamesh Vyakaranam, Mark B. Wilson, Endre Szuromi, Michael J. Mullins
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Publication number: 20120322916Abstract: A flame-retardant rubber composition for vulcanization, comprising an epichlorohydrin based rubber (A), red phosphorus (B), and a vulcanizing agent (C), in which the content of the red phosphorus (B) is from 3 to 20 parts by weight for 100 parts by weight of the epichlorohydrin based rubber (A).Type: ApplicationFiled: March 2, 2011Publication date: December 20, 2012Applicant: DAISO CO., LTD.Inventors: Koshiro Hamaguchi, Toyofumi Otaka, Taro Ozaki, Akiko Mishima
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Publication number: 20120318571Abstract: The present disclosure provides a thermosetting resin composition including a benzoxazine component comprising two or more benzoxazine monomer compounds and at least one epoxy resin characterized in that a resultant cured product formed by curing the thermosetting resin composition possesses high heat resistance and low dielectric loss at high frequency. The thermosetting resin composition is especially suited for use in high speed printed circuit boards and semiconductor devices.Type: ApplicationFiled: March 2, 2011Publication date: December 20, 2012Applicant: Huntsman Advanced Materials Americas LLCInventors: Roger Tietze, Yen-Loan Nguyen
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Publication number: 20120296013Abstract: Certain aluminum salts of organic phosphorus acids are found to have a strong effect on inhibiting the epoxy cure rate in epoxy formulations. The substances act catalytically and can be used at a low level in an epoxy formulation to adjust the reactivity of a resin formulation to give longer gel times. Compositions and methods of preparing and using the compositions are disclosed.Type: ApplicationFiled: April 25, 2012Publication date: November 22, 2012Applicant: CHEMTURA CORPORATIONInventors: LARRY D. TIMBERLAKE, MARK V. HANSON, KENNETH BOL
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Publication number: 20120289625Abstract: A resin composition which comprises polylactic acid, does not release an isocyanate group at the time of production and has excellent hydrolysis resistance and a low environmental burden. The resin composition comprises: (A) 100 parts by weight of a resin component (component A) containing polylactic acid (component A-?); (B) 0.001 to 10 parts by weight of a compound (component B) having one carbodiimide group and a cyclic structure in which first nitrogen and second nitrogen are bonded to each other via a bonding group, the cyclic structure consisting of 8 to 50 atoms; and (C) 0.001 to 2 parts by weight of at least one antioxidant (component C) selected from the group consisting of a hindered phenol-based compound, a phosphite-based compound, a phosphonite-based compound and a thioether-based compound.Type: ApplicationFiled: January 17, 2011Publication date: November 15, 2012Applicant: TEIJIN LIMITEDInventors: Yuichi Matsuno, Masaki Mitsunaga, Jitsuo Oda, Masatsugu Furuki, Shinichiro Shoji, Takuro Kitamura, Yoshitaka Shibata
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Publication number: 20120277347Abstract: Flame retardant compositions that are halogen-free or substantially halogen-free are disclosed. In certain examples, the compositions comprise a halogen-free or substantially halogen-free epoxide and one or more phosphorated compounds. In some examples, the phosphorated compound comprises an average particle size less than 10 microns. In other examples, the phosphorated compound provides a surface area of 78.5 ?m2 to about 1965 ?m2. Prepregs, laminates, molded articles and printed circuit boards using the compositions are also disclosed.Type: ApplicationFiled: March 5, 2012Publication date: November 1, 2012Inventors: David Bedner, William D. Varnell
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Publication number: 20120251810Abstract: The present invention is related to the use of specific derivatives of diphosphines as flame retardants in aromatic and heteroaromatic epoxy resins and to a method for reducing the flammability of organic material comprising aromatic and/or heteroaromatic epoxy resins in which the specific derivates of diphosphines are incorporated. Moreover, the invention is related to an aromatic and/or heteroaromatic epoxy resin composition containing aromatic and heteroaromatic epoxy resin as such or in processed form and incorporated in the aromatic and/or heteroaromatic epoxy resin at least one of the derivatives of diphosphines in an amount of from 1 to 35% by weight, based on the weight of the aromatic and/or heteroaromatic epoxy resin.Type: ApplicationFiled: July 21, 2010Publication date: October 4, 2012Applicant: BASF SEInventors: Hartmut Denecke, Alexander Tishkov, Norbert Gutfrucht, Heinz Herbst, Matthias Maase, Rainer Xalter, Christoph Fleckenstein
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Patent number: 8278401Abstract: This invention relates to curable sealants that provide low moisture permeability and good adhesive strength after cure. The composition comprises an aromatic compound having meta-substituted reactive groups and a cationic or radical initiator.Type: GrantFiled: March 29, 2006Date of Patent: October 2, 2012Assignee: Henkel AG & Co. KGaAInventors: Shengqian Kong, Sarah E. Grieshaber
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Patent number: 8278375Abstract: Mixtures of three types of linear, branched or cyclic phosphates are useful flame retardants, especially for thermoplastic resins or as functional additives in polymer matrices.Type: GrantFiled: July 5, 2006Date of Patent: October 2, 2012Assignee: Rhodia UK LimitedInventors: Vincent Schanen, Dwight Shamblee, Gleb Priimov, Julie Ann Salter
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Publication number: 20120244305Abstract: A halogen-free, flame retardant composition comprises thermoplastic polyurethane, olefin block copolymer, carbonyl-containing olefin polymer compatibilizer, and flame retardant package comprising bisphenol-A bis(diphenyl phosphate) and/or resorcinol bis(diphenyl phosphate), a nitrogen/phosphorus based, halogen-free flame retardant, and epoxidized novolac. The composition that will not only be processed easily to make a wire or cable sheath but also pass both the VW-1 flame retardancy test and the UL1581 heat deformation test at 150° C. exhibits good tensile and flexibility properties.Type: ApplicationFiled: December 18, 2009Publication date: September 27, 2012Applicant: Dow Global Technologies LLCInventors: Given Jing Chen, Wilson Xiao Wei Yan, Lan Lu, Bin Li, David Hong Fei Guo, Lotus Hua Huang