摘要:
The invention relates to pellets of α-olefin-vinyl acetate copolymers with a vinyl acetate content of ≧40% by weight, based on the total weight of the α-olefin-vinyl acetate copolymer, as an embedding material for solar modules, wherein the pellets comprise, as additives, at least one UV activator and at least one silane coupling reagent, and to the use thereof for the production of films for solar modules.
摘要:
A new polymer composition comprising (i) a polymer having a main polymer chain derived from (ia) at least 30% by weight to 100% by weight based on the polymer of a first monomer which introduces at least one of a secondary carbon and a tertiary carbon to the main polymer chain, and (ib) in the range of from 0 to 70% by weight based on the polymer of at least one other monomer; (ii) at least one lithium salt; and (iii) at least one antioxidant is provided, as well as a process for producing a polymer vulcanizate comprising the step of vulcanizing the polymer composition mentioned above additionally comprising a vulcanization system. A method for improving the hot air aging and aqueous fluid resistance characteristics of the polymer mentioned above comprises the step of admixing said polymer with at least one lithium salt and at least one antioxidant is also provided.
摘要:
A new polymer composition comprising (i) a polymer having a main polymer chain derived from (ia) at least 30% by weight to 100% by weight based on the polymer of a first monomer which introduces at least one of a secondary carbon and a tertiary carbon to the main polymer chain, and (ib) in the range of from 0 to 70% by weight based on the polymer of at least one other monomer; (ii) at least one lithium salt; and (iii) at least one antioxidant is provided, as well as a process for producing a polymer vulcanizate comprising the step of vulcanizing the polymer composition mentioned above additionally comprising a vulcanization system. A method for improving the hot air aging and aqueous fluid resistance characteristics of the polymer mentioned above comprises the step of admixing said polymer with at least one lithium salt and at least one antioxidant is also provided.
摘要:
The invention relates to vulcanizable compositions comprising (a) at least one ethylene-vinyl acetate copolymer containing epoxy groups and having a vinyl acetate content of at least 20% by weight, preferably at least 30% by weight, more preferably at least 40% by weight, based on the ethylene-vinyl acetate copolymer containing epoxy groups, and (b) at least one carboxylated nitrile rubber.
摘要:
The invention relates to vulcanizable compositions comprising (a) at least one ethylene-vinyl acetate copolymer containing epoxy groups and having a vinyl acetate content of at least 20% by weight, preferably at least 30% by weight, more preferably at least 40% by weight, based on the ethylene-vinyl acetate copolymer containing epoxy groups, and (b) at least one carboxylated nitrile rubber.
摘要:
The invention relates to a flame-proofed polymer composition that can be obtained form one or more α-olefin-vinyl acetate copolymers, having a vinyl acetate content of 40 to 90 wt %, relative to the total weight of the α-olefin vinyl acetate copolymers, and from a synergistic flame-proofing material combination, comprising, as component A, a phosphinic acid salt of the formula (I), where R1, R2 are C1-C6-alkyl, preferably C1-C4-alkyl, linear or branched; M is calcium, aluminum, zinc ions; m is 2 or 3; and, as component B, a metal hydroxide, preferably aluminum hydroxide (ATH).
摘要:
The invention relates to a flame-proofed polymer composition that can be obtained form one or more α-olefin-vinyl acetate copolymers, having a vinyl acetate content of 40 to 90 wt %, relative to the total weight of the α-olefin vinyl acetate copolymers, and from a synergistic flame-proofing material combination, comprising, as component A, a phosphinic acid salt of the formula (I), where R1, R2 are C1-C6-alkyl, preferably C1-C4-alkyl, linear or branched; M is calcium, aluminium, zinc ions; m is 2 or 3; and, as component B, a metal hydroxide, preferably aluminium hydroxide (ATH).
摘要:
The invention relates to a flame-proofed polymer composition that can be obtained from one or more α-olefin/vinyl acetate copolymers, having a vinyl acetate content of 40 to 90 wt %, relative to the total weight of the α-olefin/vinyl acetate copolymers, and from a synergistic flame-proofing material combination, containing, as component A, a phosphinic acid salt of the formula (I), where R1, R2 are C1-C6-alkyl, preferably C1-C4-alkyl, linear or branched; M is calcium, aluminum, zinc ions; m is 2 or 3; and as component B, a metal hydroxide, preferably aluminum hydroxide (ATH); and, as component C, a melamine compound.