Polyacetal lighter body resin

Details Polyacetal lighter body resin Polyacetal lighter body resin

1988-09-07

1990-07-17

Bleutge, John C.

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

Synthetic resins

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

525398, 525410, 264237, 431130, C08L 5900, C08L 6100, F23Q 202

Patent

active

049422081

ABSTRACT:
A novel polyacetal resin blend provides for dimensionally stable rib-reinforced tubular bodies upon injection molding of the blend. The blend comprises a major proportion of an oxymethylene copolymer having a melt index of 27.0 grams/10 minutes and a minor proportion of an oxymethylene copolymer having a melt index of 9.0 grams/10 minutes to provide hydrolytic stability to the molded article. Each of the oxymethylene copolymers are formed from recurring oxymethylene units interspersed with alkylene oxide units in which the alkylene group contains at least two adjacent carbon atoms. The blend is particularly useful in forming cigarette lighter bodies.

REFERENCES:
patent: 4070415 (1978-01-01), Sextro et al.

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