Abstract: Provided is a water-based coating composition capable of forming a multilayer coating film having an excellent finished appearance and having excellent storage stability. A water-based coating composition to be used as a water-based first colored coating (X) in a 3-coat-1-bake multilayer coating formation method which sequentially applies a water-based first colored coating (X), a water-based second colored coating (Y), and a clear coating (Z) and heats and cures the obtained three-layer multilayer coating film simultaneously, wherein the water-based coating composition contains at least one resin selected from acrylic resins (A) and polyester resins (B), a curing agent (C), and urethane resin particles (D) obtained from structural components including a polyisocyanate component (d1) containing at least one diisocyanate (d1-1) selected from xylylene diisocyanate and hydrogenated xylylene diisocyanate and a polyol component (d2).

Abstract: The present invention discloses a composition for preparing bio-based elastomer film with high moisture permeability, and a bio-based elastomer film and a laminate therefrom, wherein the composition comprises: 5%-95% bio-based elastomer material, 0-80% resin polymer, 0.01-90% inorganic powder material having a particle size within 100 ?m and/or organic low molecular material having a molecular weight within 2000 Daltons, and 0-10% organic anti-blocking agent (dispersant). The bio-based elastomer film and laminate of the present invention have excellent moisture permeability and mechanical performance, which can be widely used in various fields including outdoor sporting goods, clothing, medical treatment, food packaging and shoe materials, and which are environmentally friendly and green products.

Abstract: A turbomachine vane includes a blading made of composite material with fibrous reinforcement densified by a matrix and an integrated metal leading edge, the blading extending in a longitudinal direction, the leading edge being formed by a metal foil overmolded onto the blading, the foil having a lower wing and an upper wing which extend respectively on the lower and upper faces of the blading while matching an aerodynamic profile of the vane. One of the lower wing and the upper wing has a positioning portion extending in the longitudinal direction, the portion having a flat inner face and an increasing thickness away from the leading edge, and being housed in a correspondingly shaped groove in the blading.

Abstract: A method of manufacturing bulked continuous carpet filament from polytrimethylene terephthalate (PTT) with polyethylene terephthalate (PET) comprises: (1) splitting the PTT stream extruded from the primary extruder into a number of polymer streams, each of the plurality of polymer streams having an associated spinning machine; (2) adding a colorant to each split polymer stream; (3) adding PET to the extruded polymer stream downstream of the primary extruder; (4) using one or more static mixing assemblies for each split polymer stream to substantially uniformly mix each split polymer stream and its respective colorant and PET; and (5) spinning each polymer stream with its substantially uniformly mixed colorant and any additives into BCF using the respective spinning machine.

Abstract: The present invention relates to white fine particles from which a white ink that is capable of satisfying both of high hiding power and good bending resistance in a printed material can be obtained, and further relates to white fine particles from which an ink that is capable of satisfying not only excellent fixing properties even when printed on a non-liquid absorbing printing medium such as a resin film, but also suppression of increase in viscosity of the ink and at the same time good deinking properties at a high level can be obtained.

Abstract: The invention relates to a composition [composition (C)] comprising a poly(biphenyl ether sulfone) polymer [polymer (P)] and selected metal oxides in specific amounts. Composition (C) can be advantageously used for the manufacture of sterilizable shaped articles.

Abstract: There is provided a polyamide composition for an LED reflection plate, including a polyamide (A), a titanium oxide (B), a magnesium oxide (C), a phenolic antioxidant (D), and a phosphorus-containing antioxidant (E), wherein the polyamide (A) is a polyamide having a dicarboxylic acid unit comprising 50% by mol or more of 1,4-cyclohexanedicarboxylic acid unit and a diamine unit and having a melting point of 280° C. or higher; the phenolic antioxidant (D) does not have 4 or more phenol structures in its molecule; and the phosphorus-containing antioxidant (E) has 3 or more predetermined structures represented by the formula (1) in its molecule, wherein the content of the titanium oxide (B) is 10 to 100 parts by mass, the content of the magnesium oxide (C) is 0.50 to 15.0 parts by mass, and the content of the phenolic antioxidant (D) is 0.10 to 0.

Abstract: A method for reducing yellowness of a polyetherimide solution, including exposing a first solution including a solvent and a polyetherimide to light under conditions effective to provide a second solution having a yellowness index that is 1 to 100 units less than the yellowness index of the first solution, as determined according to ASTM D1925. Another aspect is a method for reducing yellowness of a polyetherimide solution including acidifying a first solution including a solvent and a polyetherimide to provide a second solution having a pH less than 5 under conditions effective for the second solution to attain a yellowness index that is 1 to 30 units less than the yellowness index of the first solution, as determined according to ASTM D1925. Polyetherimides prepared according to the method, and compositions and articles including the polyetherimide are also described.

Abstract: An antimicrobial coating composition comprising, i) a first polymer; ii) from 50 ppm to 2000 ppm of at least one of silver ions and silver element; and iii) from 10% to 60% of titanium dioxide particles. From 50% to 100% of the titanium dioxide particles are encapsulated by a second polymer; and the total amount of the first and the second polymers is from 5% to 80% by dry weight based on total dry weight of the coating composition.

Abstract: A polytrimethylene terephthalate composition including a polyester having a trimethylene terephthalate unit as a main repeating unit, which satisfies all the following requirements: (a) the intrinsic viscosity is 0.50 to 1.60 dL/g; (b) titanium dioxide whose weight distribution of particles having a particle size of more than 1.0 ?m is 5.0% by weight or less is contained in an amount of 0.05 to 3.0% by weight; (c) the crystallization exothermic peak top temperature is 165° C. or more; and (d) the half-width of the crystallization exothermic peak is 20° C. or less. In addition, the invention further encompasses a method for producing a polytrimethylene terephthalate composition using titanium dioxide that has been subjected to a wet-grinding treatment, and also a fiber obtained from the composition.

Abstract: The present invention relates to a method for directly synthesizing titanium dioxide from a titanium-rich organic phase prepared from ilmenite, and more particularly to a method in which a titanium-rich acidolysis solution is obtained by an efficient ore dissolving technology, titanium ions are transferred to the organic phase by means of an effective titanium extractant to obtain a high-purity and titanium-rich organic phase, and then the titanium dioxide is directly synthesized in the organic phase. With this method, the dissolution rate of ilmenite can be effectively improved, the process flow is shortened and production costs are reduced, and titanium dioxide with high yield and high quality is obtained.

Abstract: The present invention provides a composition comprising a high load of metal oxides that is phase stable and sprayable. It comprises a branched hydrophobically modified ethoxylated urethane copolymer and a hydrophobically modified alkali swellable emulsion copolymer comprising of one or more acrylate monomers and an ethoxylated associative comonomer.

Abstract: Provided are multistage polymers that comprise (i) a first stage comprising a first copolymer having a first theoretical Tg, the first copolymer being derived from a soft ethylenically-unsaturated monomer, a phosphorus-containing monomer, and an acetoacetoxy monomer; and (ii) a second stage comprising a second polymer having a second theoretical Tg, the second polymer being derived from one or more hard ethylenically-unsaturated monomers. The multistage polymers can be in the form of multilayer particles that comprise (i) a first layer comprising the first copolymer; and (ii) a second layer surrounding at least a portion of the first layer comprising the second polymer. Also provided are aqueous compositions including one or more of the multistage polymers (or multilayer particles) described herein, as well as methods for making the multistage polymers (or multilayer particles) described herein.

Abstract: The embodiments described herein relate to forming anodized films that have a white appearance. In some embodiments, an anodized film having pores with light diffusing pore walls created by varying the current density during an anodizing process is described. In some embodiments, an anodized film having light diffusing micro-cracks created by a laser cracking procedure is described. In some embodiments, a sputtered layer of light diffusing aluminum is provided below an anodized film. In some embodiments, light diffusing particles are infused within openings of an anodized layer.

Abstract: The present disclosure relates to an aqueous latex and a process for the preparation thereof. In particular, the present disclosure relates to an aqueous latex useful as a spacing extender for inorganic pigment particles. The present disclosure also relates to a dispersion of inorganic pigment particles comprising the aqueous latex and to an aqueous coating composition comprising the aqueous latex and inorganic pigment particles.

Abstract: Disclosed herein are thermoplastic olefin (TPO) membranes with enhanced thermal resistance. In an embodiment, the disclosed may include a cap layer, a core layer, and a scrim layer disposed therebetween. The cap layer may be formulated with TPO resins and a UV stabilizer package comprising ultrafine Ti02. The UV stabilizer package may further comprise various other additives, including a UV stabilizer, an antioxidant, a process or thermal stabilizer, and/or a UV absorber.

Abstract: The present invention provides a floor coating composition comprising (A) and aqueous solvent; and (B) a chelating polymer which comprises units derived from one or more aminocarboxylate compounds or their salts, one or more other polymerizable monomers, one or more ethylenically unsaturated monomers and, optionally, one or more crosslinking monomers. For example, the aminocarboxylate compounds or their salts may be one or more of iminodiacetic acid (IDA), iminodisuccinic acid (IDS), ethylenediamine triacetic acid (ED3A) and ethylenediamine disuccinic acid (EDDS), or their salts. Suitable polymerizable monomers may be one or more of glycidyl methacrylate (GMA), allyl glycidyl ether (AGE), vinylbenzyl chloride (VBC), allyl bromide, and their derivatives.

Abstract: This invention relates to a coating composition, especially, relates to an aqueous coating composition with improved viscosity stability.

Abstract: A carbon fiber-reinforced thermoplastic resin composition includes a thermoplastic resin (A), a carbon fiber (B), and a titanium compound (C), an amount of the thermoplastic resin (A) being 10 to 65% by weight, an amount of the carbon fiber (B) being 35 to 90% by weight, based on 100% by weight of the total amount of the thermoplastic resin (A) and the carbon fiber (B), and an amount of the titanium compound (C) being 0.01 to 5 parts by weight, based on 100 parts by weight of the total amount of the thermoplastic resin (A) and the carbon fiber (B).

Abstract: The present invention relates to a process for preparing an aqueous dispersion of polymer encapsulated TiO2 particles, comprising a multistage polymerization steps that includes a relatively large amount of low Tg first monomers and a relatively small amount of high Tg second monomers that comprise a relatively high concentration of an acid monomer. The dispersion of encapsulated TiO2 particles shows significantly improved freeze-thaw stability as compared with prior art processes that do not include staging with the second monomers described herein.

Abstract: To provided a near-infrared shielding film which is excellent in durability and film flexibility and has high visible light transmittance and an excellent near-infrared shielding property, a production method thereof, and a near-infrared shielding body being formed by being provided with the near-infrared shielding film. The near-infrared shielding film includes an optical interference film formed by alternately laminating a high refractive index layer containing a first water-soluble polymer and first metal oxide particles and a low refractive index layer containing a second water-soluble polymer and second metal oxide particles, on a substrate, in which the first metal oxide particles are particles formed by coating titanium oxide particles with silicon-containing hydrated oxide.

Abstract: The present invention relates to a gene delivery stent using titanium oxide thin film coating and a method for fabricating the gene delivery stent. The gene delivery stent according to the present invention may be loaded with a drug having anti-inflammatory and anti-thrombotic effects and simultaneously deliver a gene capable of inhibiting proliferation of vascular smooth muscle cells. Accordingly, late thrombosis and metal allergy may be reduced, and vascular restenosis in the stent region may be prevented, thereby making it possible to increase treatment effects of the bare metal stent.

Abstract: The invention provides a process of making a continuous freeform thermoplastic dielectric film (25) that is evenly loaded with dispersed nanoparticles comprising the steps of; feeding thermoplastic granules (21) into an extruder (23), injecting a secondary feed (27) comprising a suspension of nanoparticles in a liquid carrier to create a nanocomposite, and extruding said composite onto cooled rollers (26) at a preset rate thereby enabling the crystalline structure of the nanocomposite film (25) to be controlled wherein the secondary feed (27) is mixed continuously by an ultrasonicator (29) whilst being injected into the extruder (23).

Abstract: The present disclosure relates to a vapor phase process for producing a substantially anatase-free titanium dioxide pigment comprising reacting a vaporous titanium dioxide precursor and an oxygen containing gas in a reactor; and introducing a mixture of liquid silicon halide and liquid titanium dioxide precursor into the reactor at a point downstream of the addition of the vaporous titanium dioxide precursor, and the oxygen containing gas, and at a process temperature of about 1200° C. to about 1600° C. to produce titanium dioxide particles that are substantially encapsulated in silicon dioxide.

Abstract: The present invention relates an aqueous dispersion of low Tg polymer encapsulating TiO2 particles and a process for preparing the dispersion. The encapsulating polymer is a (meth)acrylate polymer, a styrene-acrylate copolymer, or a vinyl acetate-(meth)acrylate copolymer, or a combination thereof, and the encapsulating polymer further contains units of sodium styrene sulfonate. The present invention provides encapsulated TiO2 particles with low gel that are film-forming at ambient temperatures, especially for coatings applications.

Abstract: The invention relates to a plastic component for use in a lighting system, the plastic component comprising a semi-aromatic polyamide (X) comprising repeat units derived from aliphatic diamines and dicarboxylic acids wherein: (a) the aliphatic diamines consist a mixture of 10-70 mole % of a short chain aliphatic diamine with 2-5 C atoms and 30-90 mole % of a long chain aliphatic diamine with at least 6 C atoms; (b) the dicarboxylic acids consist of a mixture of 5-65 mole % aliphatic dicarboxylic acid and optionally aromatic dicarboxylic acid other than terephthalic acid, and 35-95 mole % terephthalic acid; and (c) the combined molar amount of terephthalic acid and the long chain aliphatic diamine is at least 60 mole %, relative to the total molar amount of the dicarboxylic acids and diamines. The invention also relates to a polymer composition that can be used for making the said plastic component comprising 100 pbw of a semi-aromatic polyamide (X) and 1-250 pbw of an inorganic material.

Abstract: The invention relates to compositions comprising polyethylene terephthalate (PET), poly(1,4-cyclohexanedimethanol terephthalate) (PCT) and titanium dioxide, to the use of these compositions for production of products resistant to heat distortion for short periods, and to a process for producing polyester-based products resistant to heat distortion for short periods, preferably electric or electronic polyester-based products, especially polyester-based optoelectronic products.

Abstract: The purpose of the present invention is to provide a crystalline unsaturated polyester resin composition which has improved fluidability upon being mixed with an inorganic filler, a white pigment or the like. A crystalline unsaturated polyester resin composition for an LED reflector according to the present invention is a crystalline unsaturated polyester resin composition comprising at least a crystalline unsaturated polyester resin and an inorganic filler, and is characterized in that the crystalline unsaturated polyester resin comprises a crystalline unsaturated polyester and a copolymerizable monomer and/or a copolymerizable prepolymer and the crystalline unsaturated polyester resin composition contains a white pigment. A preferred embodiment of the crystalline unsaturated polyester resin composition for an LED reflector according to the present invention is characterized in that the crystalline unsaturated polyester resin has a solid state in a temperature range that does not exceed 50° C.

Abstract: A resin composition containing: (A) a cellulose ester, (B) a styrene-based resin, and (C) a titanium dioxide, and not containing a compatibilizer between the component (A) and the component (B), in which the content of the component (A) is within a range of 95 to 50% by mass, the content of the component (B) is within a range of 5 to 50% by mass, and the content of the component (C) relative to 100 parts by mass of the sum of the amount of component (A) and the amount of component (B) is within a range of 0.1 to 10 parts by mass.

Abstract: There are provided an organic-inorganic composite having a high refractive index and a low Abbe number in which metal oxide particles of at least one type is added to a polymer containing a repeating unit having the general formula (1) described in Claim 1, and a molded product and an optical element made of the organic-inorganic composite. In the general formula (1), R1 and R2 independently denote a hydrogen atom or an alkyl group having 1 or more and 6 or less carbon atoms, and Q denotes an oxyethylene group, a thioethylene group, or a single bond.

Abstract: The present invention relates to a coating composition containing metal oxide particles with a high refractive index and low photocatalytic activity and a coating film obtained by applying the coating composition onto a substrate. The coating composition contains metal oxide particles with a high refractive index obtained by coating the specific fine particles of the titanium-based oxide on their surfaces with at least a silica-based oxide or a silica-based composite oxide, and the coating film is obtained by applying the coating composition onto a substrate. The metal oxide particles with not only a high refractive index but also low photocatalytic activity, and therefore a coating film with excellent weathering resistance and light resistance can be formed on a substrate.

Abstract: Provided are a resin composition that can realize a prepreg, a metal foil-clad laminate and the like high in light reflectance in an ultraviolet region and in a visible light region, small in the reduction in light reflectance due to a heating treatment and a light irradiation treatment, good in peel strength of metal foil, also excellent in heat resistance after moisture absorption, also good in outer appearance, and also excellent in preservation stability, and a prepreg, a metal foil-clad laminate and the like using the same. The resin composition of the present invention contains at least an epoxy-modified silicone compound (A), a branched imide resin (B) having an isocyanurate group and a carboxyl group, a phosphorus curing accelerator (C), titanium dioxide (D) and a dispersant (E). The branched imide resin (B) is preferably at least one selected from the group consisting of an epoxy-modified branched imide resin, an alcohol-modified branched imide resin and an amine-modified branched imide resin.

Abstract: A polyamide resin composition includes (A) polyamide resin, (B) white pigment, and (C) sodium phosphate salt.

Abstract: A method for fabricating energy plastic masterbatches and a plastic product containing energy plastic masterbatches fabricated by the method are provided. The fabrication method includes: oxidizing carbon black with ozone; fully mixing carbon black after treatment and a nano tourmaline powder to form a base; adding ultrafine rutile titanium dioxide to the base, and mixing fully, to form an energy raw material; drying the mixed energy raw material at 100-120° C.

Abstract: A coating containing pigment particles and a polymer matrix is provided. The coating contains pigment particles that have a scattering coefficient with a linear or quasi-linear relationship to the pigment volume concentration of those pigment particles. The coating has improved hiding and is useful as a protective coating or an aesthetic coating on an underlying substrate. Also provided are compositions useful for preparing the coating, including covalently bonded composite particles and aqueous dispersions containing composite particles. The composite particles each contain a pigment particle with a plurality of polymer particles attached by adsorption on the outer surface of the pigment particle or by covalent bonding to the pigment particle through a coupling agent. Methods to prepare the composite particles and coating compositions containing the composite particles are also provided.

Abstract: The polyester resin composition of the present invention is characterized by comprising: (A) 100 parts by weight of a high heat resistant polyester resin having a main chain formed by a structure derived from aromatic dicarboxylic acid and alicyclic diol, wherein the melting point of the high heat resistant polyester resin is 200° C. or more; (B) 0.1 to 80 parts by weight of white pigment; and (C) 1 to 40 parts by weight of polyolefin copolymer. The resin composition of the present invention further comprises 1 to 40 parts by weight of a high stiffness polyester resin having a main chain comprising a structure derived from aromatic dicarboxylic acid and aliphathic diol. The molding foam, which is obtained from the polyester resin composition and the manufactured polyester resin composition, has good flexibility, heat resistance, and yellowing resistance and can be used for an LED reflecting plate due to having improved impact strength.

Abstract: A low VOC medium is described. The medium comprises a low VOC solvent such as propylene carbonate, dimethyl carbonate, or combinations thereof. The low VOC medium also comprises one or more glycol ethers. In addition, the low VOC medium also includes one or more surfactants and/or dispersants. The low VOC medium may also optionally comprise one or more binders. The low VOC medium can be used in preparing coating compositions and pastes that are intended for use in applications that include a firing step.

Abstract: Paper coating compositions contain specific polyethers which are obtained by reacting a diglycidyl ether with a water soluble polyol containing at least one polyoxyethylene chain acting as deflocculants, water retention agents and gloss enhancers.

Abstract: A thermosetting silicone resin composition for an LED reflector has: a thermosetting resin; at least one kind of white pigment selected from titanium oxide, zinc oxide, zirconium oxide, magnesium oxide, barium carbonate, magnesium silicate, zinc sulfate, and barium sulfate; and an inorganic filler other than the pigment, which contains at least one kind of inorganic filler that has an average particle diameter of 30 ?m to 100 ?m and a refraction index that is different from a refraction index of a cured material of the thermosetting resin by 0.05 or more, and at least one kind of inorganic filler that has an average particle diameter of less than 30 ?m. The thermosetting resin composition provides a cured material that has excellent heat and light resisting properties and hardly leaks light, a reflector for an LED obtained by molding using the composition, and an optical semiconductor apparatus using the reflector.

Abstract: A polyester resin composition comprises (A) about 100 parts by weight of polyester resin with a melting point greater than about 200° C. and including repeat units of Formula 1; (B) about 0.1 to about 80 parts by weight of white pigment; and (C) about 0.01 to about 80 parts by weight of filler. The polyester resin composition of the present invention does not exhibit deteriorated reflectance and impact strength and also has good heat resistance, non-yellowing property and humidity resistance and can be used in a light emitting diode (LED) reflector.

Abstract: An ink composition for an inkjet including titanium dioxide having an average primary particle diameter of 200 nm or more; a water-soluble resin; self-dispersing resin particles having an average particle diameter of 40 nm or less; and water.

Abstract: A composition includes polymer and dispersed infrared-reflective clusters of titanium dioxide primary particles. The titanium dioxide primary particles are cemented together with precipitated silica and/or alumina to form clusters. The titanium dioxide primary particles have an average particle diameter in the range of from about 0.15 to about 0.35 micron, while the clusters of titanium dioxide primary particles have an average cluster diameter in the range of from about 0.38 to about 5 microns and a geometric standard deviation (GSD) in the range of from about 1.55 to about 2.5.

Abstract: A coating containing pigment particles and a polymer matrix is provided. The coating contains pigment particles that have a scattering coefficient with a linear or quasi-linear relationship to the pigment volume concentration of those pigment particles. The coating has improved hiding and is useful as a protective coating or an aesthetic coating on an underlying substrate. Also provided are compositions useful for preparing the coating, including covalently bonded composite particles and aqueous dispersions containing composite particles. The composite particles each contain a pigment particle with a plurality of polymer particles attached by adsorption on the outer surface of the pigment particle or by covalent bonding to the pigment particle through a coupling agent. Methods to prepare the composite particles and coating compositions containing the composite particles are also provided.

Abstract: A polyester resin composition comprises (A) about 100 parts by weight of polyester resin with a melting point greater than about 200° C. and including repeat units of Formula 1; (B) about 0.1 to about 80 parts by weight of white pigment; and (C) about 0.01 to about 80 parts by weight of filler. The polyester resin composition of the present invention does not exhibit deteriorated reflectance and impact strength and also has good heat resistance, non-yellowing property and humidity resistance and can be used in a light emitting diode (LED) reflector.

Abstract: In an embodiment, a reflector comprises a polycarbonate composition, the polycarbonate composition comprises: polycarbonate; 10 wt % to 20 wt % titanium dioxide, based upon a total weight of the polycarbonate composition; an optional flame retardant; and an optional UV stabilizer. A plaque formed from the polycarbonate composition has a reflectance of greater than or equal to 95%, as determined by reflectance measurements using a Gretag Macbeth Coloreye spectrophotometer (D65 light source, 10 degree observer, UV included) made at a wavelength of 680 nm. A molded article of the polycarbonate has transmission level greater than or equal to 90.0% at 2.5 mm thickness as measured by ASTM D1003-00 and a yellow index (YI) less than or equal to 1.5 as measured by ASTM D1925.

Abstract: A fluororesin film on which no bubble streaks are formed even when it contains a sufficient amount of titanium oxide, in which deterioration of the fluororesin is suppressed, and which has a low transmittance of ultraviolet light at a wavelength of at most 360 nm and has excellent weather resistance and heat resistance, a method of its use, a backsheet for a solar cell module, and a solar cell module. The fluororesin film may be used for an outermost layer of a backsheet of a solar cell module. The fluororesin film contains an ethylene/tetrafluoroethylene copolymer as the main component, and also contains specific titanium oxide composite particles. An arithmetic mean roughness Ra of the film surface to be in contact with the air is at most 3 ?m. Further, a backsheet comprising a laminate having a fluororesin film, and a solar cell module comprising the backsheet.

Abstract: Polyimide resin compositions that contain an aromatic polyimide, graphite, and acicular titanium dioxide are found to exhibit high thermal oxidative stability. Such compositions are especially useful in molded articles that are exposed to high temperatures, such as bushings, bearings, and seal rings that are used in aerospace, transportation, and materials handling applications.

Abstract: This invention relates to latex compositions that incorporate at least one bioactive component such as an antibacterial or an antifungal agent, and methods for making and using such latex compositions. The latex compositions disclosed herein can be prepared by the emulsion polymerization of the latex component monomers in the presence of the at least one bioactive component.

Abstract: The invention relates to a laminar body for making greenhouse roofs, comprising at least one laminar layer, which defines at least one main surface of the laminar body and comprises a polymer matrix and nano-particles of titanium dioxide Ti02 in the anatase and/or rutilium form, dispersed in the polymer matrix. The nano-particles have dimensions not greater than 100 nm. The titanium dioxide is present with a concentration in weight of between ?30 and 1500 ppm in relation to the polymer matrix. The invention also relates to a method of greenhouse cultivation and the use of the laminar body according to the invention for making greenhouse roofs. The invention also relates to a greenhouse having a roof comprising at least one laminar body according to the invention and to a masterbatch for making a laminar layer of a laminar body according to the invention.

Abstract: Disclosed is an amorphous copolyester polymerized of a diacid and diols. The diacid is selected from a group consisting of terephthalic acid, 5-tert-butylisophthalic acid, and dimethyl 2,6-naphthalenedicarboxylate. The diols are selected at least two from a group consisting of ethylene glycol, 2,2-dimethyl-1,3-propanediol, and tricyclodecanedimethanol. The molar ratio of the tricyclodecanedimethanol is 30% to 95% of the diols.