Powder composition and method of preparation

Details Powder composition and method of preparation Powder composition and method of preparation

1977-10-25

1979-07-31

Ziegler, J.

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

Synthetic resins

Ethylenically unsaturated reactant admixed with a preformed...

260 4585B, 427195, 428 35, 525 98, C08L 4304, C08L 5300, C09L 8304

Patent

active

041630319

ABSTRACT:
A powder composition having good melt flow under zero shear conditions is disclosed. A process for preparing this powder composition is also disclosed. The composition comprises a thermoplastic elastomer such as a block copolymer of styrene and hydrogenated butadiene as well as a melt flow modifier. The melt flow modifier is preferably a partially hydrogenated styrene/alpha methylstyrene random copolymer. The composition may additionally contain adhesion promoters and stabilizers against oxidation and ultraviolet light. A process for coating substrates such as a glass bottle with this composition, as well as the coated glass bottle, is also disclosed.

REFERENCES:
patent: 3439064 (1969-04-01), Makowski et al.
patent: 3637554 (1972-01-01), Childers
patent: 3985702 (1976-10-01), Himes

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