Abstract:
MIXTURE COMPRISING 30 TO 95% BY WEIGHT OF A BRITTLE AND HARD POLYMER SUCH AS A HOMOPOLYMER OR COPOLYMER OF STYRENE AND 70 TO 5% BY WEIGHT OF AN ELASTICIZING GRAFT POLYMER OF VINYL CHLORIDE ON ETHYLENE/VINYL ACETATE, SAID MIXTURE BEING USEFUL AS A THERMOPLASTIC-ELASTIC MOULDING COMPOSITION DISTINGUISHED BY HIGH NOTCHED IMPACT AND IMPACT STRENGTHS AND EXCELLENT RESISTANCE TO AGING AND NONINFLAMMABILITY.
Abstract:
POLYVINVYL CHLORIDE STABILIZERS ARE READILY AND ACCEPTABLY INTRODUCED INTO VINYL OR VINYLIDENE CHLORIDE POLYMER/ POLYURETHANE MIXTURES BY USING POLYURETHANE DISPERSIONS CONTAINING POLYVINYL CHLORIDE STABLIZERS EITHER IN SOLUTION OR IN FINE DISTRIBUTION IN THE DISCRETE POLYURETHANE DISPERSION PARTICLES TO PREPARE THE VINYL CHLORIDE POLYMER/ POLYURETHANE PLASTICS MIXTURES FROM VINYL CHLORIDE POLYMER DISPERSIONS AND POLYURETHANE DISPERSIONS, BY ADMIXTURE AND CO-COAGULATION.
Abstract:
WHEREIN X H, alkyl, aryl, aralkyl or halogen N 1 TO 20, A PROCESS FOR PREPARING THEM, A PROCESS FOR POLYMERISING DIENES AND MONOETHYLENICALLY UNSATURATED COPOLYMERIZABLE MONOMERS IN THE PRESENCE OF THESE PARTICULAR XANTHOGEN DISULPHIDES AND TO VULCANISABLE RUBBER MIXTURES CONSISTING OF AN UNCROSS-LINKED BENZENE SOLUBLE CHLOROPRENE HOMOPOLYMER OR COPOLYMER WHICH IS PREPARED IN THE PRESENCE OF SAID XANTHOGEN DISULPHIDES.
or
in which R is the same or different and denotes the following groups:
This invention relates to xanthogen disulphides of the formula
Abstract translation:本发明涉及式ROCSSCOR PARALLEL PARALLEL SS的Xanthogen二硫化物,其中R相同或不同,表示以下基团:O-CX2O X2C ANGLE |或X2CCX2 OC-(CX2)n- | ANGLE ANGLE | | OC- (CX2)n -XC | X X2或} X = H,烷基,芳基,芳烷基或卤素} n = 1至20,} WHEREIN X = H,烷基,芳基,芳烷基或卤素N = 1至20,A 制备它们的方法,聚合二烯和单体不饱和可共聚单体在这些特殊的衍生物的存在下的方法,以及包含在已存在的XANTHOGEN DISULPHID中制备的未经连接的苯并噻唑类共聚物或共聚物的VULCANISABLE RUBBER MIX 。