Gas separation: apparatus – Solid sorbent apparatus – With programmed – cyclic – or time responsive control means
Patent
1975-07-10
1977-07-12
Brammer, Jack P.
Gas separation: apparatus
Solid sorbent apparatus
With programmed, cyclic, or time responsive control means
96115P, 96 351, 96 87R, 20415918, 20415919, 20415923, G03C 168, C08F 818
Patent
active
040351890
ABSTRACT:
A resist image, which is excellent in adhesiveness and high in physicochemical strengths, can be obtained by using as a resist material a resin composition having such properties that when it is exposed to actinic rays, a latent image (cure-precursor) is formed therein, and when it is subjected to subsequent heating, only the latent image portion is selectively cured.
An example of the above-mentioned resin composition is a latently curable epoxy resin composition composed essentially of (A) an epoxy resin prepolymer and (B) a compound having in the molecule at least two groups represented by the formulas (I) and/or (II), ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are individually a hydrogen atom, an alkyl group or aryl group.
Another example of the resin composition is a curable resin composition composed mainly of photopolymerization sensitizers and N-methylolacrylamide derivatives represented by the formula, ##STR2## wherein R is a hydrogen atom or a substituted or unsubstituted alkyl group having 1 to 4 carbon atoms; and R' is a hydrogen atom or a methyl group.
REFERENCES:
patent: 3074869 (1963-01-01), Workman
patent: 3776729 (1973-12-01), Levy
patent: 3895952 (1975-07-01), Schlesinger
patent: 3926636 (1975-12-01), Barzynski et al.
Abo Masahiro
Hayashi Nobuyuki
Isobe Asao
Ogawa Ken
Tsukada Katsushige
Brammer Jack P.
Hitachi Chemical Company Ltd.
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