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AssigneesMidori Anzen Co., Ltd., Kossan Sdn Bhd
InventorsSiong Hui Khoo, Lawrence Siau Tian Lim, Seek Ping Lee, Eng Long Ong, Norihide Enomoto
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An elastomer composition comprising, an emulsion which comprises 25-30 weight % of acrylonitrile, 62-71 weight % of butadiene and 4-8 weight % of unsaturated carboxylic acid (total 100 weight %), wherein crosslink is formed by a bond through at least a part of substituent which is possessed by said unsaturated carboxylic acid, and residual substituent of at least one part of substituent which is possessed by said unsaturated carboxylic acid is left in state of free, further Mooney viscosity (ML(1+4)(100° C.)) of the crosslinked product is 100-220, wherein thin film gloves composed of said elastomer does not contain sulfur which is a crosslinking agent and sulfur composition which is a vulcanization accelerator, thickness is 0.05-0.15 mm, gloves swelling ratio at gloves formation is 240-320, tensile stress is 22-35 MPa, elongation to break is 480-620% and tensile stress at 500% elongation is 15-35 MPa.
An elastomer composition comprising, an emulsion which comprises 25-30 weight % of acrylonitrile, 62-71 weight % of butadiene and 4-8 weight % of unsaturated carboxylic acid (total 100 weight %), wherein crosslink is formed by a bond through at least a part of substituent which is possessed by said unsaturated carboxylic acid, and residual substituent of at least one part of substituent which is possessed by said unsaturated carboxylic acid is left in state of free, further Mooney viscosity (ML(1+4)(100° C.)) of the crosslinked product is 100-220 and film weight swelling ratio of the crosslinked product is 200-400%.
An elastomer composition comprising, 25-30 weight % of acrylonitrile, 62-71% of butadiene and 4-8 weight % of unsaturated carboxylic acid (total 100 weight %), wherein a covalent bond is formed by a bond trough at least one part of substituent which is possessed by said unsaturated carboxylic acid, further, residual substituent of at least one part of substituent which is possessed by said unsaturated carboxylic acid is crosslinked by forming ionic bond through bivalent metallic ion, further film weight swelling ratio of the crosslinked product is 200-400%.
An elastomer composition comprising, an emulsion which comprises 25-30 weight % of acrylonitrile, 62-71 weight % of butadiene and 4-8 weight % of unsaturated carboxylic acid (total 100 weight %) wherein, crosslink is formed by a bond through at least a part of substituent which is possessed by said unsaturated carboxylic acid, and residual substituent of at least one part of substituent which is possessed by said unsaturated carboxylic acid is left in state of free, containing 100 phr of emulsion elastomer composition of Mooney viscosity (ML(1+4)(100° C.)) of 100-220 and of film weight swelling ratio of 200-400%, 0.5-4.0 phr of crosslinking agent consisting of bivalent metallic oxide, 0.1-2.0 phr of pH adjusting agent to adjust pH to 9-10, 0.5-2.0 phr of dispersing agent and water, said water is added by amount so as the concentration of total solid compound (TSC) to be 18-30 weight %, a covalent bond is formed through a bond by at least a part of substituent possessed by said unsaturated carboxylic acid, and an ionic bond is formed on residual substituent of at least one part of substituent which is possessed by said unsaturated carboxylic acid through bivalent metallic ion, and film weight swelling ratio of the crosslinked product is 200-400%.
A gloves formed from elastomer comprising 25-30 weight % of acrylonitrile, 62-71 weight % of butadiene and 4-8 weight % of unsaturated carboxylic acid (total 100 weight %), wherein crosslink is formed by a bond through at least a part of substituent which is possessed by said unsaturated carboxylic acid, and residual substituent of at least one part of substituent possessed by said unsaturated carboxylic acid is crosslinked by bivalent metal, said elastomer does not contain sulfur which is a crosslinking agent and sulfur composition which is a vulcanization accelerator, Mooney viscosity (ML(1+4)(100° C.)) of said elastomer crosslinked by a bond of at least one part of substituent possessing said unsaturated carboxyl group is 100-220, and thin film gloves prepared from said elastomer does not contain sulfur which is a crosslinking agent and sulfur composition which is a vulcanization accelerator, and thickness of the gloves is 0.05-0.15 mm, glove swelling ratio at formation of the gloves is 240-320, tensile stress of the gloves is 22-35 MPa, elongation to break of the gloves is 480-620% and tensile stress at 500% elongation of the gloves is 15-35 MPa.
A gloves formed from elastomer comprising 25-30 weight % of acrylonitrile, 62-71 weight % of butadiene and 4-8 weight % of unsaturated carboxylic acid (total 100 weight %), wherein crosslink is formed by a bond through at least a part of substituent which is possessed by said unsaturated carboxylic acid, and residual substituent of at least one part of substituent possessed by said unsaturated carboxylic acid is crosslinked by bivalent metal, said elastomer does not contain sulfur which is a crosslinking agent and sulfur composition which is a vulcanization accelerator, Mooney viscosity (ML(1+4)(100° C.)) of said elastomer crosslinked by a bond of at least one part of substituent possessing said unsaturated carboxyl group is 100-220, and thin film gloves prepared from said elastomer does not contain sulfur which is a crosslinking agent and sulfur composition which is a vulcanization accelerator, and thickness of the gloves is 0.05-0.15 mm, glove swelling ratio at formation of the gloves is 240-320, tensile stress of the gloves is 22-35 MPa, elongation to break of the gloves is 480-620% and tensile stress at 500% elongation of the gloves is 15-35 MPa, prepared by processes of
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