Articles of filled synthetic polymeric materials and glass bead

Details Articles of filled synthetic polymeric materials and glass bead Articles of filled synthetic polymeric materials and glass bead

1988-03-30

1989-11-07

Lilling, Herbert J.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523205, 523206, 523209, 523214, 523217, 428405, 428406, 428407, C08K 900, C08K 906

Patent

active

048793213

ABSTRACT:
In or for a polymeric article incorporating a synthetic polymer and a filler material, which filler material includes glass beads bearing coatings of at least one coating agent in a total coating amount not exceeding 1%, and preferably between 0.02% and 0.2%, by weight based on the weight of uncoated beads, which coatings limit adhesion between the glass beads and the synthetic polymer and confer an increased impact resistance on the article as compared with an article which includes uncoated glass beads as filler material but is otherwise identical. Preferred coating materials include silanes, fluorocarbon compounds and synthetic polymers having shockabsorbing properties, especially synthetic polymers having a glass transition temperature (Tg), determined by differential scanning calorimetry, which is lower than 15.degree. C.

REFERENCES:
patent: 3893969 (1975-07-01), Newbould
patent: 3894169 (1975-07-01), Miller
patent: 3901845 (1975-08-01), Newbould
patent: 3971753 (1976-07-01), Frechtling et al.
patent: 4243575 (1981-01-01), Myers et al.
patent: 4305863 (1981-12-01), Adachi et al.
patent: 4336301 (1982-06-01), Shaw
patent: 4609591 (1986-09-01), Pollet et al.
patent: 4713295 (1987-12-01), Laroche
patent: 4764544 (1988-08-01), Carey et al.
Derwent Abstract 80-55714c/32, Janome Sewing J 55082156, Jun. 1980.
Derwent Abstract 83-835149/49, Janome Sewing J 58094887, Jun. 1983.
Darrel Muck et al., "Plastics Compounding", Jan./Feb., 1979, p. 12.

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