Narrow molecular weight distribution polymers and use of same as

Details Narrow molecular weight distribution polymers and use of same as Narrow molecular weight distribution polymers and use of same as

1998-02-06

2000-08-22

Henderson, Christopher

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

430270, 526346, 526213, 526217, 526328, C08F 1224, C08F 200, C08F 2010, C08F 1202

Patent

active

06107425&

ABSTRACT:
The invention provides inter alia new methods to produce aqueous developable resin binders for negative-acting photoresists. The methods in general comprise free radical polymerization of one or more types of monomers in the presence of a free radical polymerization control agent, particularly a nitroxide polymerization control agent such as a piperidinyloxy (N-oxy) free radical, and wherein at least one of the monomer types contains a moiety that enables aqueous solution development of a photoresist composition containing the formed polymer.

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