Preparation of radiation-curable acrylates

Details Preparation of radiation-curable acrylates Preparation of radiation-curable acrylates

1995-05-01

1996-05-14

Marquis, Melvyn I.

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

Synthetic resins

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

525107, 525165, 525374, 525423, 525438, 525529, 525532, 525533, 525922, C08F28300

Patent

active

055168604

ABSTRACT:
Radiation-curable acrylates are prepared by a process in which, in a 1st stage, a hydroxy compound is reacted with acrylic acid or methacrylic acid and, in or before a 2nd stage, the reaction product of the 1st stage is then reacted with an epoxy compound and compounds having one or more primary or secondary amino groups are added in the 2nd stage and the reaction in the 2nd stage is continued, after the addition of these compounds, until the acid number of the reaction mixture has decreased by at least 3 mg KOH/g of reaction mixture from the time of the addition of these compounds.

REFERENCES:
patent: Re34766 (1994-10-01), Merz et al.
patent: 3925349 (1975-12-01), Gaske
patent: 3979270 (1976-09-01), Trecker et al.
patent: 4588788 (1986-05-01), Emmons et al.

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