Interpenetrating polymer networks using blocked...

Details Interpenetrating polymer networks using blocked... Interpenetrating polymer networks using blocked...

2007-10-30

2007-10-30

Buttner, David J. (Department: 1712)

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

Synthetic resins

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

C528S064000, C528S065000, C528S073000, C528S045000, C473S371000, C473S378000

Reexamination Certificate

active

10900460

ABSTRACT:
The present invention is directed to a method of forming a golf ball that contains an interpenetrating polymer network, or IPN, which includes at least two polymeric systems, in one or more of the layers. The first polymeric system may include a polyurethane-based or polyurea-based system having blocked isocyanate groups and the second polymeric system may include an epoxy-based or acrylic-based system, wherein the two systems are polymerized or cured simultaneously or sequentially to form an IPN.

REFERENCES:
patent: 3989568 (1976-11-01), Isaac
patent: 4923934 (1990-05-01), Werner
patent: 5908358 (1999-06-01), Wu
patent: 2003/0065124 (2003-04-01), Rosenberg et al.
patent: 2005/0009635 (2005-01-01), Kuntimaddi et al.

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