Dispersants resistant to color change

Details Dispersants resistant to color change Dispersants resistant to color change

1987-12-28

1989-03-14

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...

524548, 524560, 525286, 525308, 525309, 5253273, 5253304, 5253305, 525348, 525349, 525351, 525375, 525374, 525386, C08F 800, C08F29300

Patent

active

048125172

ABSTRACT:
Acrylic AB block copolymers that are useful as pigment dispersants and which are resistant to yellowing and other color changes, characterized by aromatic substituents bonded to the A segment of the block copolymer.

REFERENCES:
patent: 4654387 (1987-03-01), Buysch et al.
patent: 4656226 (1987-04-01), Hutchins et al.

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