Elastic shaped article

Details Elastic shaped article Elastic shaped article

B - Operations, Transporting

29

D

18/523, 18/777

B29D 23/18 (2006.01) B32B 1/08 (2006.01) B32B 27/08 (2006.01) B32B 27/22 (2006.01) B32B 27/30 (2006.01) B32B 27/40 (2006.01) F16D 3/84 (2006.01) F16J 15/52 (2006.01)

Patent

CA 1202160

ABSTRACT OF THE DISCLOSURE An elastic shaped article of a laminated construction of at least two layers, comprising (a) a layer of a soft polyvinyl chloride combining polyvinyl chloride with a plasticizer and (b) a layer of at least one thermoplastic elastomer selected from the group consisting of polyester type elastomers, poly- urethane type elastomers, and polyamide type elastomers is useful. for production of boots, ducts, hoses, tubes, sealing members, covering members, etc. in various transportation machines construction machines, industrial machines, machine tools, etc. The elastic shaped article whose component layers are particularly laminated by co-extrusion is molded by the blow molding method. When the plasticizer which is combined with polyvinyl chloride to form the soft polyvinyl chloride has an average molecular weight of at least 700, the produced elastic shaped article excels particularly in oil resistance at elevated temperatures.

423378

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