Copolymers of ethylene oxide as antistatic additives

Details Copolymers of ethylene oxide as antistatic additives Copolymers of ethylene oxide as antistatic additives

1989-06-14

1991-04-23

Lieberman, Allan M.

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

Synthetic resins

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

524397, 524910, 525396, 525403, 525405, 525408, 525409, C08K 515, C08L 902, C08L 1300, C08L 6900

Patent

active

050101390

ABSTRACT:
An antistatic polymeric composition consisting of at least one antistatic additive of an ethylene oxide copolymer in the range of from about 3% to about 30% by weight and being a solid, nonionic material and having a dilution solution viscosity of greater than 0.25 g/ml and preferably having an average molecular weight greater than 20,000; and a polymeric material in the range from about 70% to about 97% by weight. The ethylene oxide copolymer comprises ethylene oxide in the range of from about 5% to about 95% by weight and at least 1 comonomer selected the group consisting of cyclic ethers, cyclic acetals, and cyclic esters, in the range of from about 95% to about 5% by weight. The polymeric material can be any thermoplastic, thermoplastic elastomer, or elastomer including ABS, ASA, polyamides, PBT, PET, PETG, PMMA, PUR, PVC, CPVC, PC, POM, POP, SMA, and SAN.

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