Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1996-03-13
1997-12-02
Zitomer, Fred
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
525384, 526222, 526223, 526283, 5263171, 526319, C08F 3604
Patent
active
056937318
ABSTRACT:
The specification discloses a method for making DCPD based resins that have essentially unimodal molecular weight distributions. The method comprises polymerizing dicyclopentadiene monomer in the presence of an organic sulfur compound which is effective to control the molecular weight distribution of the polymerized product. For end-use performance in inks, adhesives, coatings and other related areas, the invention provides dicyclopentadiene based resins having molecular weight distributions which effectively enhance the resin solubility and compatability in various formulations.
REFERENCES:
patent: 2598424 (1952-05-01), Peters
patent: 3084147 (1963-04-01), Wilks
patent: 4976783 (1990-12-01), Werner
patent: 5410004 (1995-04-01), Williams
Schmid John J.
Williams Theodore J.
Arizona Chemical Company
Zitomer Fred
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