摘要:
The invention relates to the use in a photovoltaic module of a film of a composition as a backsheet or as an encapsulant, this composition comprising, with respect to the total weight of the composition: from 1 to 99% of a polyethylene having an ethylene whose level by weight is greater than or equal to 80% chosen from the homopolymers of ethylene and the copolymers of ethylene and another alpha-olefin; from 99 to 1% of a polyolefin B, other than A, carrying a reactive functional group X chosen from the anhydride carboxylic acids and epoxides. The invention further relates to a photovoltaic module comprising the film of the composition according to the invention and also a process for the manufacture of this module.
摘要:
A multi-layer film structure suitable as a sealable sheet used for closing foodstuff containers with a peelable seal. This multi-layer film comprises a polyester substrate layer and a heat-sealable layer. The heat-sealable layer is applied by coextrusion and contains an epoxy-containing thermoplastic polymer composition comprising residues of epoxy-containing monomers selected from glycidyl methacrylate, glycidyl acrylate, allyl glycidyl ether, 3,4-epoxy-1-butene, and a mixture of any two or more of such monomers.
摘要:
A layer structure having at least one metal element and at least one polyamide layer arranged at least regionally on the metal element, the structure preferably comprising an insulated electrical conductor wherein The polyamide layer consists of a polyamide molding composition consisting of the following components: (a) a polyamide based on cycloaliphatic diamines or cycloaliphatic dicarboxylic acids having a glass transition temperature (Tg) of at 130° C.; (b) a polyolefin based on C2-C12 alkenes, and additionally on at least one monomer selected from the following group: maleic anhydride, itaconic anhydride, glycidyl acrylate, butene, propylene, glycidyl methacrylate, acrylic acid, methacrylic acid, vinyl acetate, C1-C12 alkyl (meth)acrylates, substituted or unsubstituted styrene, or a mixture of such monomers; (c) optionally an aliphatic polyamide different from (a), or a mixture of such polyamides; (d) optionally additives.
摘要:
A layer structure having at least one metal element and at least one polyamide layer arranged at least regionally on the metal element, the structure preferably comprising an insulated electrical conductor wherein The polyamide layer consists of a polyamide moulding composition consisting of the following components: (a) a polyamide based on cycloaliphatic diamines or cycloaliphatic dicarboxylic acids having a glass transition temperature (Tg) of at 130° C.; (b) a polyolefin based on C2-C12 alkenes, and additionally on at least one monomer selected from the following group: maleic anhydride, itaconic anhydride, glycidyl acrylate, butene, propylene, glycidyl methacrylate, acrylic acid, methacrylic acid, vinyl acetate, C1-C12 alkyl (meth)acrylates, substituted or unsubstituted styrene, or a mixture of such monomers; (c) optionally an aliphatic polyamide different from (a), or a mixture of such polyamides; (d) optionally additives.
摘要:
The invention relates to the use in a photovoltaic module of a film of a composition as a backsheet or as an encapsulant, this composition comprising, with respect to the total weight of the composition: from 1 to 99% of a polyethylene having an ethylene whose level by weight is greater than or equal to 80% chosen from the homopolymers of ethylene and the copolymers of ethylene and another alpha-olefin; from 99 to 1% of a polyolefin B, other than A, carrying a reactive functional group X chosen from the anhydride carboxylic acids and epoxides. The invention further relates to a photovoltaic module comprising the film of the composition according to the invention and also a process for the manufacture of this module.
摘要:
A multi-layer film structure suitable as sealable sheet specially used for closing foodstuff containers producing a peelable seal. This multi-layer film comprises a polyester substrate layer and a sheat-sealable layer. The heat-sealable layer is applied by coextrusion and comprises as major component a polymer composition comprising residues of epoxy-containing monomers selected from glycidyl methacrylate, glycidyl acrylate, allyl glycidyl ether, 3,4-epoxy-1-butene, or a mixture of any two or more of such monomers.
摘要:
The invention relates to the use in a photovoltaic module of a film of a composition as a backsheet or as an encapsulant, this composition comprising, with respect to the total weight of the composition: from 1 to 99% of a polyethylene having an ethylene whose level by weight is greater than or equal to 80% chosen from the homopolymers of ethylene and the copolymers of ethylene and another alpha-olefin; from 99 to 1% of a polyolefin B, other than A, carrying a reactive functional group X chosen from the anhydride carboxylic acids and epoxides. The invention also relates to, the composition additionally comprises a polyolefin C, other than B, which carries a functional group Y capable of reacting with the functional group X. The invention further relates to a photovoltaic module comprising the film which is used of the composition and also a process for the manufacture of this module.
摘要:
The invention relates to a cable, comprising a conductor surrounded by one or more layer(s), wherein at least one layer comprises a polyolefin composition comprising, an olefin polymer (A) comprising epoxy-groups; at least one crosslinking agent (B) which accelerates the crosslinking reaction of epoxy-groups; and optionally a conductive filler.
摘要:
The invention relates to the use in a photovoltaic module of a film of a composition as a backsheet or as an encapsulant, this composition comprising, with respect to the total weight of the composition: from 1 to 99% of a polyethylene having an ethylene whose level by weight is greater than or equal to 80% chosen from the homopolymers of ethylene and the copolymers of ethylene and another alpha-olefin; from 99 to 1% of a polyolefin B, other than A, carrying a reactive functional group X chosen from the anhydride carboxylic acids and epoxides. The invention also relates to, the composition additionally comprises a polyolefin C, other than B, which carries a functional group Y capable of reacting with the functional group X. The invention further relates to a photovoltaic module comprising the film which is used of the composition and also a process for the manufacture of this module.
摘要:
A method of coating containers made of glass, polyethylene or polyester by treatment with a substantially paraffin-free aqueous formulation comprising (A) at least one acid-functional waxy copolymer selected from (A1) partially oxidized polyethylene waxes having an acid number in the range from 10 to 100 mg KOH/g, determined in accordance with DIN 53402, with (A2) copolymers having a melt flow rate (MFR) in the range from 1 to 50 g/10 min, measured at 160° C. under a load of 325 g in accordance with EN ISO 1133, which in copolymerized form comprise (a) 60% to 88% by weight of ethylene, (b) 12% to 40% by weight of at least one ethylenically unsaturated carboxylic acid, and which are at least partially neutralized with alkali metal or amine, (B) if desired, at least one nonionic or anionic surfactant, (C) if desired, at least one defoamer, (D) if desired, at least one organic amine, (E) if desired, at least one organic solvent.