Poly(para-T-butoxycarbonyloxystyrene) and method of making

Details Poly(para-T-butoxycarbonyloxystyrene) and method of making Poly(para-T-butoxycarbonyloxystyrene) and method of making

1995-04-12

1996-06-04

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526173, C08F 1816

Patent

active

055233708

ABSTRACT:
Provided is a poly(para-t-butoxycarbonyloxystyrene) having recurring units of the formula: ##STR1## which is prepared by anionic polymerization of para-t-butoxycarbonyloxystyrene. The polymer is of a controlled molecular weight and a narrow molecular weight distribution and has a high degree of resolution and development, meeting the requirements of resist materials. The method allows for simple preparation of such polymers.

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patent: 4657845 (1987-04-01), Frechet et al.
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patent: 5145928 (1992-09-01), Gillberg-LaForce et al.
1046-TMOG 2 Official Gazette Sep. 4, 1984.
Polymer, vol. 24, No. 7, 1983, Butterworth & Co., Ltd., Frechet et al., "Poly(p-tert-butoxydcarbonyloxystyrene): A Convenient Precursor to p-hydroxystyrent Resins", pp. 995-1000.

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