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Van Der Loos Jozef Lambertus M, Bongers Jozef Johannes Maria: Process for the preparation of a graft copolymer.. Stamicarbon, March 31, 1982: EP0048512-A1 (8 worldwide citation)

The invention relates to a process for the preparation of a graft polymer at least partly by bulk- or solution-polymerizing one or more monomers in the presence of a solution of a substantially saturated rubber. To prevent an increase of the viscosity of the reaction mixture during polymerization, t ...


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Van Geenen Albert Arnold, Bongers Jozef Johannes Maria, Van Der Loos Jozef Lambertus M: Process for the preparation of an n-substituted carbamoyllactam compound.. Stamicarbon, March 27, 1985: EP0135233-A1 (8 worldwide citation)

The invention concerns a simple, reliable and reproducable process for the preparation of an N-substituted carbamoyl lactam compound, for example of the following formula: where: - R is a polyol originating from a polyol having the formula R-(OH)x1, where - x1 is an integer >/= 2 - R min is an alkyl ...


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Van Bokhoven Petrus Hubertus M, Van Der Loos Jozef Lambertus M, Tijssen Jan, Hoen Johannes Gerardus: Polymer composition of graft copolymers of styrene and acrylonitrile on a rubber.. Stamicarbon, March 24, 1982: EP0048059-A1 (5 worldwide citation)

The invention relates to a polymer composition based on one or more graft copolymers of styrene and acrylonitrile on a rubber and a copolymer of alpha -methylstyrene and acrylonitrile. To improve the flow-properties of such a polymer composition, without unduly decreasing the heat distortion tempera ...


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Van Der Loos Jozef Lambertus M, Duijzings Wilhelmus Gerardus: Process for preparing copolymers, and products fully or partly made of these copolymers.. Stamicarbon, January 24, 1979: EP0000419-A1 (4 worldwide citation)

In a process for preparing coplymers by polymerization in aqueous dispersion of styrene and/or alpha -methyl styrene with acrylonitrile and/or methacrylonitrile with the aid of a compound yielding free water-soluble radicals, a compound yielding water-soluble radicals is added in a quantity of 0.05 ...


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Ashida Kaneyoshi, Van Der Loos Jozef Lambertus M, Frisch Kurt Charles: Process for preparing an n-substituted carbamoyl-lactam compound.. Stamicarbon, October 16, 1985: EP0158393-A1 (4 worldwide citation)

The invention concerns a process for preparing an N-substituted carbamoyl-lactam compound having the formula by reactively admixing a polyhydroxy compound having the formula R(OH)n and a polyisocyanate having the formula OCN-R min -NCO, wherein said n is an integer >/=3, R is the residual of a three ...


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Frisch Kurt Charles, Ashida Kaneyoshi, Van Der Loos Jozef Lambertus M, Van Geenen Albert Arnold: Process for preparing a polymer alloy, molded product, and reaction injection molded product.. Stamicarbon, October 16, 1985: EP0158394-A1 (3 worldwide citation)

The invention relates to a process for preparing a polymer alloy based upon at least one polyamide polymer, and at least one polymer of the group of polyurethane polymer, polyurea polymer and polyisocyanurate polymer. The invention further relates to a molded object comprising a polyamide polymer, a ...


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Ashida Kaneyoshi, Van Der Loos Jozef Lambertus M: N-substituted carbamoyl-lactam.. Stamicarbon, October 23, 1985: EP0159070-A1 (2 worldwide citation)

An N-substituted carbamoyl-lactam compound of the formula wherein R is a radical derived from polytetramethyleneglycol R(OH)2 and represents the radical remaining from the polytetramethylene oxide starting material used in preparing polytetramethyleneglycol and has an equivalent weight of 300-2500, ...


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Tijssen Jan, Van Der Loos Jozef Lambertus M, Creemers Henricus Maria Johann: Process for the preparation of a copolymer.. Stamicarbon, February 24, 1982: EP0046320-A1 (2 worldwide citation)

The invention relates to a process for the preparation of a copolymer of a vinyl aromatic compound and an unsaturated nitrile, optionally in the presence of a rubber, by polymerizing in an emulsion of the vinyl aromatic compound, the unsaturated nitrile, the rubber, one or more emulsifiers, one or m ...