Process for preparing acrylic acid or methacrylic acid ester pol

Details Process for preparing acrylic acid or methacrylic acid ester pol Process for preparing acrylic acid or methacrylic acid ester pol

1977-09-01

1978-11-07

Wong, Jr., Harry

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 83, 526 84, 526 85, 526183, 526328, 5263297, C08F 472, C08F22010, C08F22014

Patent

active

041247515

ABSTRACT:
Esters of acrylic acid and methacrylic acid may be polymerized with the aid of either free radical forming or ionically effective initiators. The stereospecificy of the polymers may be influenced by the selection of specific initiators; magnesium-organic compounds are suitable for the synthesis of isotactic polymers. Acrylic acid and methacrylic acid esters having a high degree of isotacticity and a narrow molecular weight distribution are obtained with the aid of substituted phenylmagnesium halides. They are suitable as gauge and as test substances.

REFERENCES:
patent: 3100761 (1963-08-01), Fellman et al.
patent: 3222339 (1965-12-01), Fellman et al.

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