摘要:
The present invention relates to a composite made by the process of melt mixing (a) a polymer having at least one isocyanate reactive group, wherein the polymer is from 30 to 90 % by weight of the composite; (b) a thermoplastic polyurethane at from 0.1 to less than 10 % by weight of the composite; and (c) a reinforcing fiber at from 9.9 to 60 % by weight of the composite, wherein the sum of the weight percentages of components (a)-(c) is equal to 100 %, wherein the polymer (a) is not a polyamide. The invention further relates to a composite prepared by the process of melt mixing (a) a polymer having at least one isocyanate reactive group, wherein the polymer is from 25 to 90 % by weight of the composite; (b) a thermoplastic polyurethane at from 0.1 to 10 % by weight of the composite; (c) a reinforcing fiber at from 9.8 to 60 % by weight of the composite, and (d) an epoxy compound at from 0.1 to 5 % by weight of the composite, wherein the sum of the weight percentages of components (a)-(d) is equal to 100 %. The invention further relates to the methods for making the composites of the present invention. The invention further relates to articles containing the composites of the present invention.
摘要:
This invention relates to a polyester composition comprising a blend of: (A) 99.5 to 75 weight % of a copolyester having an inherent viscosity of 0.1 to 1.2 dL/g and having a melting point in excess of 250 °C, comprising: (a) one or more dicarboxylic acids, and (b) a glycol component comprising at least 80 mole % 1,4-cyclohexanedimethanol; and (B) 0.5 to 25 weight % of one or more polyalkylene ethers, wherein the weight percentages of all components in said blend total 100 weight %.
摘要:
This invention relates to a polyester composition comprising a blend of: (A) 99.5 to 75 weight % of a copolyester having an inherent viscosity of 0.1 to 1.2 dL/g and having a melting point in excess of 250 °C, comprising: (a) one or more dicarboxylic acids, and (b) a glycol component comprising at least 80 mole % 1,4-cyclohexanedimethanol; and (B) 0.5 to 25 weight % of one or more polyalkylene ethers, wherein the weight percentages of all components in said blend total 100 weight %.
摘要:
The invention relates to a method for marking a polymer composition by melt mixing a composition composed of a polymer having at least one isocyanate reactive group and a thermoplastic polyurethane, wherein the thermoplastic polyurethane is less than 5 % by weight of the composition, wherein the polymer is not a polyamide. Preferably the polymer is a polyester, a liquid crystalline polymer or a polycarbonate. The invention further relates to a polymer composition produced by the present invention. The invention further relates to an article composed of the polymer composition produced by the present invention.
摘要:
The present invention relates to a composite made by the process of melt mixing (a) a polymer having at least one isocyanate reactive group, wherein the polymer is from 30 to 90 % by weight of the composite; (b) a thermoplastic polyurethane at from 0.1 to less than 10 % by weight of the composite; and (c) a reinforcing fiber at from 9.9 to 60 % by weight of the composite, wherein the sum of the weight percentages of components (a)-(c) is equal to 100 %, wherein the polymer (a) is not a polyamide. The invention further relates to a composite prepared by the process of melt mixing (a) a polymer having at least one isocyanate reactive group, wherein the polymer is from 25 to 90 % by weight of the composite; (b) a thermoplastic polyurethane at from 0.1 to 10 % by weight of the composite; (c) a reinforcing fiber at from 9.8 to 60 % by weight of the composite, and (d) an epoxy compound at from 0.1 to 5 % by weight of the composite, wherein the sum of the weight percentages of components (a)-(d) is equal to 100 %. The invention further relates to the methods for making the composites of the present invention. The invention further relates to articles containing the composites of the present invention.
摘要:
The invention relates to a method for making a polymer composition by solid state polymerizing a composition composed of a polymer having at least one isocyanate reactive group and a thermoplastic polyurethane. The polymer is preferably selected from a polyester, a liquid crystalline polymer or a polyamide. The invention further relates to a polymer composition prepared by the present invention. The invention further relates to an article composed of the polymer composition produced by the present invention.
摘要:
A process for preparing a high strength fiber reinforced polymer composite comprising: A) compounding a polymer (such as a polyester or a polyamide) with a fiber reinforcing agent thereby forming a compounded polymer composite; B) solid state polymerizing the compounded polymer composite to produce the high strength fiber reinforced polymer composite; and C) combining an additive into the high strength fiber reinforced polymer composite.
摘要:
This invention relates to a thermally stable polyester, comprising: a polyester resin prepared by adding a dicarboxylic acid to a glycol compound, said dicarboxylic acid selected from the group consisting of aliphatic dicarboxylic acids having a total of from 3 to 16 carbon atoms, alicyclic dicarboxylic acids having 7 to 12 carbon atoms, aromatic dicarboxylic acids containing a total of from 8 to 16 carbon atoms, and combinations thereof, and wherein said glycol is selected from the group consisting of glycols having from 2 to 12 carbon atoms, glycol ethers having from 4 to 12 carbon atoms, and combinations thereof, said polyester resin having been prepared in the presence of a catalyst system consisting essentially of one or more antimony compounds which is not reacted with α-hydroxy carboxylic acids, α,β-dicarboxylic acids or derivatives thereof.