The invention relates to a process for preparing a graft copolymer comprising polyethylene, comprising the steps of: A) providing an ethylene copolymer comprising side chains having C≡C bond and B) reacting the ethylene copolymer of step A) with an azide at an elevated temperature in the absence of a catalyst to obtain the graft copolymer, wherein the azide compound is an azide compound having a functional group or a polymer having an azide group.

The invention relates to a polymer composition that can be obtained by means of the free radical polymerisation of A) 95-40 wt. % of alkyl (meth)acrylate containing Ai) 20-95 wt. % of at least one alkyl (meth)acrylate with 16 to 40 C-atoms in the alcohol group, and Aii) 5-80 wt. % of at least one (meth)acrylic acid ester of a C.sub.8-C.sub.22 alcohol carrying a C.sub.6-C.sub.20 alkyl group in the 2-position relative to the hydroxyl group, in the presence of B) 5-60 wt. % ethylene copolymer. The invention also relates to a method for producing same and to the use of same as a flow improver for mineral oils and mineral oil distillates.

The invention relates to a polymer composition that can be obtained by means of the free radical polymerisation of A) 95-40 wt. % of alkyl (meth)acrylate containing Ai) 20-95 wt. % of at least one alkyl (meth)acrylate with 16 to 40 C-atoms in the alcohol group, and Aii) 5-80 wt. % of at least one (meth)acrylic acid ester of a C.sub.8-C.sub.22 alcohol carrying a C.sub.6-C.sub.20 alkyl group in the 2-position relative to the hydroxyl group, in the presence of B) 5-60 wt. % ethylene copolymer. The invention also relates to a method for producing same and to the use of same as a flow improver for mineral oils and mineral oil distillates.

The present disclosure relates to an encapsulation adhesive film for a solar cell, comprising a transparent layer in contact with a cell sheet, and a first adhesive film layer in contact with the transparent layer, wherein raw materials of the first adhesive film layer comprise the following components: a resin and a colored filler with a mass ratio of 3 to 25:1, a cross-linking agent accounting for 0.1% to 5% of the total mass of the resin and the colored filler, an auxiliary cross-linking agent accounting for 0.1% to 1% of the total mass of the resin and the colored filler, a coupling agent accounting for 0.1% to 1% of the total mass of the resin and the colored filler, a light stabilizer accounting for 0.1% to 1% of the total mass of the resin and the colored filler, and a photo initiator accounting for 0.1% to 5% of the total mass of the resin and the colored filler. The present disclosure can effectively prevent a white substance from overflowing.

The present disclosure relates to an encapsulation adhesive film for a solar cell, comprising a transparent layer in contact with a cell sheet, and a first adhesive film layer in contact with the transparent layer, wherein raw materials of the first adhesive film layer comprise the following components: a resin and a colored filler with a mass ratio of 3 to 25:1, a cross-linking agent accounting for 0.1% to 5% of the total mass of the resin and the colored filler, an auxiliary cross-linking agent accounting for 0.1% to 1% of the total mass of the resin and the colored filler, a coupling agent accounting for 0.1% to 1% of the total mass of the resin and the colored filler, a light stabilizer accounting for 0.1% to 1% of the total mass of the resin and the colored filler, and a photo initiator accounting for 0.1% to 5% of the total mass of the resin and the colored filler. The present disclosure can effectively prevent a white substance from overflowing.

The invention relates to a process for preparing a graft copolymer comprising polyethylene, comprising the steps of: A) providing an ethylene copolymer comprising side chains having CC bond and B) reacting the ethylene copolymer of step A) with an azide at an elevated temperature in the absence of a catalyst to obtain the graft copolymer, wherein the azide compound is an azide compound having a functional group or a polymer having an azide group.

The present invention provides a thermoplastic resin and a molded article using the same, wherein the thermoplastic resin comprises: (A) 10 parts by weight to less than 30 parts by weight of a butadiene-based graft copolymer; (B) 5 parts by weight or more to less than 30 parts by weight of an acrylate-based graft copolymer; (C) 35 parts by weight to 65 parts by weight of a vinyl cyanide-aromatic vinyl-based copolymer; (D) 1 part by weight to 10 parts by weight of an ethylene-alkyl acrylate-based copolymer elastomer based on the total 100 parts by weight of (A), (B), and (C); and (E) 1 part by weight to 10 parts by weight of a polyester-based elastomer.

Disclosed is a laminate which includes one or more soft layers and an electronic device enclosed by the one or more soft layers, wherein the one or more soft layers have a flexural modulus of 80 MPa or more and 1,000 MPa or less and a water vapor permeability at 40 C. and 90% RH of 15 [g/(m.sup.2.Math.24 h).Math.100 m] or less.

Disclosed is a laminate which includes one or more soft layers and an electronic device enclosed by the one or more soft layers, wherein the one or more soft layers have a flexural modulus of 80 MPa or more and 1,000 MPa or less and a water vapor permeability at 40 C. and 90% RH of 15 [g/(m.sup.2.Math.24 h).Math.100 m] or less.

Provided is a method for preparing a latex composition, comprising providing an ethylene copolymer comprising copolymerized units of ethylene and copolymerized units of at least one polar comonomer; dissolving the ethylene copolymer with one or more latex monomers to prepare a solution; mixing the solution with water; optionally adding a surfactant or protectant colloid to form an aqueous emulsion; and polymerizing the latex monomer in the emulsion to form a latex composition comprising the ethylene copolymer and a latex polymer. Further provided are the emulsion polymerization product and the mini-emulsion polymerization product of at least one ethylene copolymer substantially dissolved in at least one latex monomer, such as an acrylic, styrene or vinyl monomer. Finally, formulated products comprising or produced from the emulsion or mini-emulsion polymerization product and articles comprising or produced from the formulated products are provided.