Abstract: Disclosed is composition comprising an admixture of(A) from 99 to 1 weight percent, based on the weight of the admixture, of a copoly(arylene sulfide) corresponding to the structure[(--A--S--).sub.1-x (--A--S--S--).sub.x ].sub.nwherein A is a divalent substituted or unsubstituted aromatic radical, x is in the range of 0.5 to 0.001 and n is at least 25, and(B) from 1 to 99 weight percent, based on the weight of the admixture, of an bisphenol-A polycarbonate having an inherent viscosity of at least 0.3.

Abstract: An arylene sulfide polymer having derivatized end-groups and a process for preparing derivatized arylene sulfide polymer comprising contacting at an elevated temperature, an arylene sulfide polymer, a compound having the formula ##STR1## wherein R' is selected from the group consisting of an alkyl radical having 1 to about 17 carbon atoms, an aryl radical having 6 to about 16 carbon atoms, and combinations thereof and X is selected from the group consisting of chlorine and bromine, and a solvent which is stable in the presence of the compound and is capable of dissolving the arylene sulfide polymer.

Abstract: Disclosed is a composition comprising(A) from 99.9 to 60 weight percent, based on the weight of the composition, of a copoly(arylene sulfide) and(B) from 0.1 to 40 weight percent, based on the weight of the composition, of an ethylene-propylene rubber.

Abstract: A composition suitable for encapsulating articles such as small electronic devices and having improved tensile strength and other mechanical properties. The composition comprises a poly(phenylene sulfide) base resin, a non-reinforcing mineral filler and an ethylene/methacrylic acid copolymer. Also provided are a method of forming the composition and articles such as electronic components encapsulated with the composition.

Abstract: A poly(aryl ether sulfone) blend comprising (a) from about 25 to about 99 percent by weight of a poly(biphenyl ether sulfone) and (b) from about 1 to about 75 percent by weight of a second poly(phenylene ether sulfone).

Abstract: An improved process for reacting a mercaptanterminated aliphatic polysulfide resin with excess epichlorohydrin in the presence of alkali to form an expoxidized polysulfide is disclosed. The reaction takes place in the absence of a solvent such as ethyl alcohol or ether, which will form an inseparable azeotrope with epichlorohydrin and water. The reaction is carried out at a temperature and pressure sufficient to distill away epichlorohydrin and by-product water. The water and epichlorohydrin are separated and the epichlorohydrin is returned to the pot during the reaction. After the reaction is complete, the epichlorohydrin is stripped, leaving an epoxidized polysulfide, by-product sodium chloride, and residual alkali. The epoxidized polysulfide is dissolved in a work-up solvent and filtered to remove sodium chloride and alkali. Then the work-up solvent is stripped, leaving a purified product.

Abstract: Bistriazene compounds such as ##STR1## are useful for crosslinking polymers such as poly(imides), poly(aryl ether ketones), poly(aryl ether sulfones), poly(quinolines), poly(quinoxalines), and nonaromatic fluoropolymers having aliphatic C--H groups. Polymers crosslinked with these bistriazene compounds are useful as interlayer insulators in multilayer integrated circuit articles.

Abstract: High performance engineering polymer (HPEP) compositions are disclosed containing a HPEP and a polymeric polyvalent metal aromatic polycarboxylate where the polymeric carboxylate is dispersible, non-migratable, non-extractable and heat stable at processing temperatures of the HPEP. The compositions offer the physical properties of high mechanical strength, durability, toughness, chemical resistance and high temperature performance, among others. The engineering polymers are wholly aromatic polymers having aromatic rings forming the main chain of the polymer and devoid of methylene groups in the main chain. Polymeric metal carboxylates such as calcium terephthalate are employed as the high temperature additive in an effective amount for extending the engineering polymer while substantially maintaining or improving its engineering properties.

Abstract: A poly(aryl ether sulfone) blend comprising (a) from about 25 to about 99 percent by weight of a poly(biphenyl ether sulfone) and (b) from about 1 to about 75 percent by weight of a second poly(aryl ether sulfone) comprising bisphenol A moieties.

Abstract: A resin material for inserting a lead frame comprises:(A) 100 parts by weight of a polyarylene sulfide resin,(B) 0.1 to 30 parts by weight of an .alpha.-olefin copolymer graft-copolymerized with an unsaturated carboxylic acid or its anhydride, and(C) 10 to 300 parts by weight of a fibrous filler, a nonfibrous inorganic filler or a mixture thereof.The grafted unsaturated carboxylic acid such as maleic anhydride is essential, in comparison with olefin copolymers, preferably in an amount of 1 to 5 percent. The olefin copolymer includes that of ethylene and ethyl acrylate. The addition of (B) effectively works to improve adhesion between the lead frame and the polyarylene sulfide composition, because it does not decompose and give a gas during molding. Heat resistance and the molding performance does not change. An example comprises PPS, a copolymer of ethylene and ethyl acrylate, grafted with 3.0% of maleic anhydride, glass fiber and glass beads.

Abstract: This invention relates to molding resin compositions, and more particularly relates to polyimide resin compositions having markedly improved molding ability in addition to excellent high temperature stability, chemical resistance and mechanical strength.The polyimide resin compositions of this invention comprises 99.9 to 50.0% by weight of the polyimide and 0.1 to 50.0% by weight of polyphenylene sulfide and/or aromatic polysulfone and/or aromatic polyetherimide high-temperature engineering polymer.

Abstract: Disclosed is a process for preparing a final copoly(arylene sulfide) by contacting an original copoly(phenylene sulfide) with a poly(phenylene sulfide) in the melt phase. The final copoly(arylene sulfide) exhibits an enhanced rate of crystallization.

Abstract: A composition comprising an admixture of(A) a copoly(arylene sulfide) corresponding to the structure[(--A--S--).sub.1-x (--A--S--S--).sub.x ].sub.nwherein A is a divalent substituted or unsubstituted aromatic radical, x is in the range of 0.5 to 0.

Abstract: Disclosed herein are a poly(arylene thioether) block copolymer alternately comprising (A) at least one poly(arylene thioether-ketone) block having predominant recurring units of the formula ##STR1## wherein the --CO-- and --S-- are in the para position to each other and (B) at least one poly(arylene thioether) block having predominant recurring units of the formula ##STR2## (a) the ratio of the total amount of the poly(arylene thioether) block (B) to the total amount of the poly(arylene thioether-ketone) block (A) being within a range of 0.05-5 by weight, (b) the average polymerization degree of the poly(arylene thioether) block (B) being at least 10, and (c) said block copolymer having a melt viscosity of 2-100,000 poises as measured at 350.degree. C. and a shear rate of 1,200/sec as well as a production process the poly(arylene thioether) block copolymer.

Abstract: Disclosed herein are a poly(arylene thioether) block copolymer alternately comprising (A) at least one poly(arylene thioether-ketone) block having predominant recurring units of the formula ##STR1## wherein the --CO-- and --S-- are in the para position to each other and (B) at least one poly(arylene thioether) block having predominant recurring units of the formula ##STR2## (a) the ratio of the total amount of the poly(arylene thioether) block (B) to the total amount of the poly(arylene thioether-ketone) block (A) being within a range of 0.05-5 by weight, (b) the average polymerization degree of the poly(arylene thioether) block (B) being at least 10, and (c) said block copolymer having a melt viscosity of 2-100,000 poises as measured at 350.degree. C. and a shear rate of 1,200/sec as well as a production process the poly(arylene thioether) block copolymer.

Abstract: Disclosed herein are a poly(arylene thioether) block copolymer alternately comprising (A) at least one poly(arylene thioether-ketone) block having predominant recurring units of the formula ##STR1## wherein the --CO-- and --S-- are in the para position to each other and (B) at least one poly(arylene thioether) block having predominant recurring units of the formula ##STR2## (a) the ratio of the total amount of the poly(arylene thioether) block (B) to the total amount of the poly(arylene thioether-ketone) block (A) being within a range of 0.05-5 by weight, (b) the average polymerization degree of the poly(arylene thioether) block (B) being at least 10, and (c) said block copolymer having a melt viscosity of 2-100,000 poises as measured at 350.degree. C. and a shear rate of 1,200/sec as well as a production process the poly(arylene thioether) block copolymer.

Abstract: An improved pipe is produced from phenylene sulfide/biphenylene sulfide copolymers. The improved pipe has greater flexibility and ductility than pipe produced from normal PPS resin. Such pipe is produced by preparing a phenylene sulfide/biphenylene sulfide copolymer and forming the copolymer into essentially amorphous pipe by extrusion followed by rapid and uniform quench to avoid pipe crystallization. Such amorphous pipe also can be oriented by subsequent die extrusion.

Abstract: The polyarylene sulfide resin composition is improved in impact strength and rigidity and useful as engineering plastics. It is prepred by mixing 100 parts by weight of a resin component comprising(A) 99 to 20 parts by weight of a polyarylene sulfide resin and(B) 1 to 80 parts by weight of a polyamide resin with(C) 0.5 to 50 parts by weight of an olefin copolymer comprising an .alpha.-olefin and a glycidyl ester of an .alpha., .beta.-unsaturated acid,(D) 0.01 to 5 parts by weight of an alkoxysilane compound and(E) 0 to 400 parts by weight of one or more fillers selected from among fibrous, powdery and flaky ones.

Abstract: A polymer composition having improved thermal stability at high temperatures. The composition comprises a poly(phenylene sulfide) base resin and a thermal stabilizer selected from the group consisting of polyethersulfone and polyamide-imide, the thermal stabilizer being present in the composition in an amount sufficient to improve the thermal stability of the composition at a temperature of at least 150.degree. C. A method of improving the thermal stability of a poly(phenylene sulfide) resin and articles produced therefrom at high temperatures and an article having improved thermal stability at high temperatures are also provided.

Abstract: A composition useful for adhering polysulfide sealant to silicone sealant or to silicone sealant contaminated surfaces is obtained by mixing 1 part by weight of alkoxy functional, titanate catalyzed silicone sealant with from 0.1 to 40 parts by eight of polysulfide sealant.

Abstract: The invention relates to blends of modified polyarylene sulfides (PAS), preferably polyphenylene sulfides (PPS), with polycarbonates.

Abstract: The invention relates to mixtures of polyarylene sulphides, maleimides, glass fibres and if appropriate other additives. The mixtures are distinguished by good mechanical properties.

Abstract: A process for producing an easily-slidable polyarylene thioether film having an arithmetic average surface roughness, Ra, in a range of 2-200 nm and a dynamic friction coefficient, .mu.k, within a range of 0.1-0.6 at least on one surface of the film, which comprises:a) contacting at least one surface of an amorphous film, containing the polyarylene thioether, consisting essentially of repeating units of the formula: ##STR1## with at least one organic solvent having a solubility parameter within a range of 8.5-11.

Abstract: Disclosed herein are a polymer alloy prepared by polymerizing 0.1 to 100 parts by weight of at least one radically polymerizable monomer to 100 parts by weight of polyarylene thioether having a repeating unit of ##STR1## as a main constituent and at least a part of said radically polymerizable monomers is polymerized within inner pores of the polyarylene thioether particles and a process for producing the polymer alloy.The polymer alloy of polyarylene thioether according to the present invention has the fine particles of the radically polymerized monomer uniformly dispersed in the said polymer alloy, and accordingly, the polymer alloy of polyarylene thioether according to the present invention is excellent in various physical properties, such as, good impact strength and improved anti-flash property.

Abstract: Phosphine oxide-containing polyarylene ethers and sulfides can be reacted with organoamines to form novel graft copolymers (with monofunctional amines) or novel crosslinked thermosetting network compositions (with multifunctional amines). The network materials show desirable resistance to a variety of organic solvents including chloroform.

Abstract: A polymeric molding compositon based on aliphatic polyamides contains as additives polyarylene sulfides and polyphenolic compounds free from tertiary alkyl group ortho to the phenolic-OH groups is useful in producing molded articles such as films, fibers and shaped objects.

Abstract: Compatible compositions comprising polyarylene sulfide-polyphenylene ether copolymers are prepared by the reaction of a polyphenylene ether containing epoxy groups, typically an epoxytriazine-capped polyphenylene ether, with a polyarylene sulfide containing epoxide-reactive functional groups, preferably amine groups. It is sometimes advantageous to anneal said compositions or molded articles prepared therefrom.

Abstract: Disclosed herein are a poly(arylene thioether) block copolymer alternately comprising (A) at least one poly(arylene thioether-ketone) block having predominant recurring units of the formula ##STR1## wherein the --CO-- and --S-- are in the para position to each other and (B) at least one poly(arylene thioether) block having predominant recurring units of the formula ##STR2## (a) the ratio of the total amount of the poly(arylene thioether) block (B) to the total amount of the poly(arylene thioether-ketone) block (A) being within a range of 0.05-5 by weight, (b) the average polymerization degree of the poly(arylene thioether) block (B) being at least 10, and (c) said block copolymer having a melt viscosity of 2-00,000 poises as measured at 350.degree. C. and a shear rate of 1,200/sec as well as a production process the poly(arylene thioether) block copolymer.

Abstract: There are disclosed a class of halogen-ended polyalkylene glycols and halogen-ended polyolefins (II) which are copolymerizable with polyarylene sulfides or sulfone-based polymers. These halogen-ended polymers may be readily copolymerized with polyarylene sulfides or sulfone-based polymers to provide polyphenylene sulfide copolymers (I) exhibiting increased crystallization speeds. These high crystallization speeds enable the copolymers to be molded in a low-temperature mold, for example, at 100.degree. C. or less, while providing fully crystallized moldings having excellent heat resistance properties.

Abstract: The invention relates to an anhydrous process for the preparation of high molecular weight, optionally branched polyarylene sulphides. These can be prepared in a polar organic solvent in the absence of water by reaction of dihalogenoaromatics with sodium sulphides and bisulphide or potassium sulphides and bisulphide in the presence of catalysts in a polar organic solvent.

Abstract: The invention relates to a process for the preparation of polyamide moulding compositions containing 0.1 to 40 wt. % of a polyarylene sulphide by reaction of polyamide-forming components in the presence of polyarylene sulphides.

Abstract: Provided are novel polyester compositions containing copper phthalocyanine sulfonamide colorants copolymerized therein. Also provided are amorphous color concentrates, partially-crystalline color concentrates and semi-crystalline color concentrates. These polyester compositions are particularly useful for use as colored packaging materials and for colorants for personal, medical, and home care products where non-extractability of the colorant residue is important.

Abstract: A block copolymer composed of polyphenylene sulfide segments and aromatic sulfide sulfone polymer segments and having a logarithmic viscosity [.eta.], determined at 206.degree. C. for its solution in alpha-chloronaphthalene in a polymer concentration of 0.4 g/100 ml of solution and calculated in accordance with the equation [.eta.]=ln (relative viscosity)/polymer concentration, of 0.03 to 1.0. A resin composition comprising the block copolymer and polyphenylene sulfide and/or an aromatic sulfide sulfone polymer and optionally a filler. The block copolymer and the resin composition have improved mechanical strength and are suitable, for example, for encapsulation of electronic component parts.

Abstract: Disclosed herein is a heat-resistant film obtained by biaxially-stretching a composition which comprises (A) 50-90 parts by weight of a polyetheretherketone having predominant recurring units of the formula: ##STR1## and (B) 50-10 parts by weight of a substantially linear poly(arylene sulfide) having melt viscosity of at least 1,000 poises. A production process of such a heat-resistant film is also disclosed, which comprises biaxially stretching the above composition in a temperature range at least equal to the crystallization temperature (Tc) of the poly(arylene sulfide) but not higher than the crystallization temperature (Tc) of the polyetheretherketone.

Abstract: This invention is directed to a molded electrical device comprising an electrically conductive pathway and an insulating material, and capable of interconnecting with external circuitry said insulating material comprising a blend of a particular amorphous polymer and a particular crystalline thermoplastic polymer. Also, this invention is directed to a composition suitable for use as an insulating material in an electrical device comprising from about 35 to about 65 weight percent of an amorphous polymer selected from a polyarylethersulfone resin, a polyarylether resin, a polyetherimide or a polyarylate, and from about 65 to about 35 weight percent of a crystalline polymer selected from a poly(arylene sulfide), a polyester or a polyamide.

Abstract: The invention is a process to provide more granular, higher bulk density particulate poly(arylene sulfide ketone) or poly(arylene sulfide diketone) resins having associated therewith improved handling.The process for treating a first slurry comprising a solid particulate poly(arylene sulfide ketone) or poly(arylene sulfide diketone) resin dispersed in a liquid medium comprising a polar organic compound, comprises: (a) liquifying the first solid particulate resin in the first slurry to form a first mixture comprising a liquified resin and the polar organic compound; (b) adding, to the first mixture, a sufficient amount of at least one separaton agent to produce a second mixture, and (c) reducing the temperature of the second mixture sufficiently to solidify the liquified resin to form a second slurry comprising a polar organic compound and a second solid particulate resin having a bulk density greater than the first solid particulate resin would if recovered.

Abstract: This invention relates to molding resin compositions, and more particularly relates to polyimide resin compositions having markedly improved molding ability in addition to excellent high temperature stability, chemical resistance and mechanical strength.The polyimide resin composition of this invention comprises 99.9 to 50% by weight of the polyimide and 0.1 to 50% by weight of high temperature engineering polymer. The polyimide has recurring units of the following formula: ##STR1## wherein X is a sulfonyl radical or a carbonyl radical and R is a tetravalent radical selected from an aliphatic radical, alicyclic radical, monoaromatic radical, condensed aromatic radical and non-condensed aromatic radical.

Abstract: This invention relates to new high molecular weight arylene sulphide polymers which optionally additionally display improved resistance to UV radiation and are prepared by melting arylene sulphide polymers, preferably PPS, with polynitro compounds or with mononitro compounds containing at least one other substituent capable of reacting with the arylene sulphide polymer.

Abstract: A poly(aryl ether sulfone) blend comprising (a) from about 25 to about 99 percent by weight of a poly(biphenyl ether sulfone) and (b) from about 1 to about 75 percent by weight of a second poly(phenylene ether sulfone).

Abstract: This invention relates to polyarylene sulphides, particularly polyphenylene sulphides, which are modified with hydroxyl or amino groups.

Abstract: A composition is provided which consists essentially of a blend of poly(arylene sulfide) polymers, fibrous reinforcement, a hydrotalcite, a nucleating agent, an organosilane, a mold release agent and optionally a pigment. The invention composition is particularly useful for injection molding applications.

Abstract: Poly(aryl ether/thioether)-poly(aryl carbonate) block copolymers are prepared by reacting a poly(aryl carbonate) with a poly(aryl ether/thioether) having at least one electron-withdrawing group located in a position ortho or para to its ether/thioether linking group, in the presence of an exchange catalyst. At least a portion of the poly(aryl ether/thioether) blocks are joined to the poly(aryl carbonate) blocks through an ether/thioether oxygen or sulfur atom.

Abstract: The present invention is directed to novel surface active copolymers and the use thereof in the production of polyurethane powders. More particularly, the copolymers comprise have a substantially linear structure and are obtained by copolymerization ofA) a partial reaction product of1) (meth)acrylic acid or a derivative thereof and2) a macromolecular compound substituted by at least two functional groups selected from OH and NH.sub.2, the functional groups not reacted with Al) being irreversibly blocked, withB) a urethane of 1) a long-chain alkyl isocyanate and 2) a hydroxyalkyl (meth)acrylate.

Abstract: The present invention relates to an impact resistant polymeric composition comprising a polyarylene sulfide, a thermally stable modified selectively hydrogenated high 1,2 content block copolymer wherein at least one graftable functional molecule is grafted to the block copolymer in the vinylarene block and a silane.

Abstract: Highly crystalline, rapidly crystallizing thermoplastic compositions containing:a) 70-99.5% by weight of a polyphenyl sulphide having a melt viscosity of at least 5 Pas (measured at 306.degree. C. and at a shear stress of 10.sup.2 Pa) andb) 0.5-30% by weight, relative to a) and b) of an oligomeric ester having at least two repeating ester monomeric units and a maximum molecular weight, expressed as a number average, of 6000.

Abstract: A poly(arylene sulfide) composition containing an aromatic sulfone polymer and reinforcing material is provided for molding large articles free of internal cracks. The inventive composition optionally contains a high molecular weight polyphenylene sulfide, a reinforcing material such as glass fibers and a sulfone polymer containing at least one recurring aliphatic group in the polymer chain.

Abstract: The present invention relates to an impact resistant polymeric composition comprising a polyarylene sulfide and a thermally stable modified selectively hydrogenated high 1,2 content block copolymer wherein at least one graftable functional molecule is grafted to the block copolymer in the vinylarene block.

Abstract: A process is provided for preparing more granular (i.e., higher bulk density) particulate poly(arylene sulfide ketone) or poly(arylene sulfide diketone) resins having associated therewith improved processability and thermal stability, without generating pressures significantly greater than those generated during polymerization reactions of particulate poly(arylene sulfide ketone) or poly(arylene sulfide diketone) resins.

Abstract: There are provided an undercoat composition with excellent adhesiveness to both a resin coating layer and a metal layer, and a metal substrate coated with a resin composition. The undercoat composition and the resin-coated metal substrate offer excellent hot-water resistance and chemical resistance.

Abstract: A resin composition consisting essentially of(A) a polyphenylene ether having added thereto an unsaturated carboxylic acid having 3 to 10 carbon atoms or an anhydride thereof (component A),(B) a polyphenylene sulfide (component B), and(C) a polyisocyanate compound (compound C), the weight ratio of component A to component B being from 5:95 to 95:5 and the amount of component C being from 0.01 to 10% by weight based on the total weight of components A and B; and molded articles therefrom.