Process for the preparation of esters of (meth)acrylic acid

Details Process for the preparation of esters of (meth)acrylic acid Process for the preparation of esters of (meth)acrylic acid

2005-01-04

2005-01-04

Robertson, Jeffrey B. (Department: 1712)

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

Synthetic resins

Ethylenically unsaturated reactant admixed with either...

C525S007000, C525S010000, C528S303000, C560S205000, C560S218000

Reexamination Certificate

active

06838515

ABSTRACT:
The invention relates to a process for the preparation of esters of (meth)acrylic acid by (trans)esterifying (meth)acrylic acid or its ester derivatives with monohydric or polyhydric alcohols in the presence of an acidic (trans)esterification catalyst, wherein said process after the formation of the esters of (meth)acrylic acid further comprises reacting remaining acid groups with one or more component(s), wherein at least one component forms with at least said catalyst an ester compound not having a β-hydroxy group or forms an amid compound. The component that reacts with the acidic (trans)esterification catalyst preferably is selected from the group consisting of an oxetane component or derivative, an ortho-ester component, an alcohol component or any mixture thereof.

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