Polymeric compositions suitable for use in the medical field and

Details Polymeric compositions suitable for use in the medical field and Polymeric compositions suitable for use in the medical field and

1984-07-23

1986-10-07

Briggs, Sr., Wilbert J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525 89, 525 95, 525101, 525106, 525131, C08L 5302, C08L 6702, C08L 7700

Patent

active

046160647

ABSTRACT:
Polymeric compositions comprising 7-28%, preferably 12 to 25%, of a thermoplastic olefin polymer, 1-10%, preferably 2 to 6%, of a siloxane polymer containing 2-70% of siloxane units and at least 20% by weight of carbonate, urethane or amide units, and 69 to 90%, preferably 72 to 83%, of an elastomer. The olefin polymer can for example be polyethylene, polypropylene, or a polar ethylene copolymer. The elastomer can be a thermoplastic elastomer, an ionomer, or a styrene/butadiene copolymer. The compositions are particularly useful in the medical field, for example in the form of tubing.

REFERENCES:
patent: 3332900 (1967-07-01), Reischl et al.
patent: 3664959 (1972-05-01), Gaines et al.
patent: 3674891 (1972-07-01), Wheeler
patent: 4350795 (1982-09-01), Bohm et al.

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