Vulcanizable polyblend

Details Vulcanizable polyblend Vulcanizable polyblend

1980-04-16

1981-09-22

Ziegler, J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

525165, 525169, 525171, 525173, 525177, C08L 700, C08L 6706

Patent

active

042909279

ABSTRACT:
An intimate polyblend of about 5-90% by weight of a thermoplastic copolyester or block copolyester elastomer and about 95-10% by weight of a vulcanizable synthetic or natural rubber. The preferred copolyester is a copolyester of polybutylene terephthalate and the prefered block copolyetherester is polybutylene terophthalate-poly (tetramethylene oxide) glycol block copolyester. These polyblends can be vulcanized to elastomeric molded articles which exhibit an excellent oil and oxygen/ozone resistance even at elevated temperatures, a high impact strength, an increased scuff resistance and an improved flexibility at low and high temperatures. The vulcanized molded articles also have an improved adhesive property with polyester fibers or fabrics.

REFERENCES:
patent: 3963802 (1976-06-01), Shih
patent: 3965055 (1976-06-01), Schichman et al.

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