US4324679A — Controlling odor in photopolymerization

Claim 1

Independent Claim 269 words

A liquid composition consisting essentially of: (a) aromatic sulfonium complex salt, said salt being photodecomposable and being capable of initiating polymerization of cationically polymerizable monomers upon exposure to actinic radiation; (b) at least about 15% by weight of liquid neutral oxyethylene-containing material selected from: (i) compounds having the formula R[(OC.sub.2 H.sub.4).sub.n (OC.sub.3 H.sub.6).sub.m OH].sub.p where R is a polyvalent neutral organic radical having a valence of p, n+m is in the range of 1 to about 25, p is in the range of 2 to 6, wherein the oxyethylene units in such compounds constitute at least about 15% by weight of such compounds; and wherein the number of carbon atoms in R divided by the product of n and p is less than three; and (ii) compounds having the formula: R.sup.1 (OC.sub.2 H.sub.4).sub.n (OC.sub.3 H.sub.6).sub.m OH where R 1 is monovalent neutral organic radical, where n+m is in the range of 1 to 25, wherein the oxyethylene units in such compounds constitute at least about 50% by weight of such compounds; and (iii) compounds of the formula: H(OC.sub.2 H.sub.4).sub.n (OC.sub.3 H.sub.6).sub.m OH where n+m is in the range of 2 to about 25, wherein the oxyethylene units in such compounds constitute at least about 15% by weight of such compounds; and (c) an organic material containing at least one site of non-aromatic carbon-carbon unsaturation; wherein said unsaturation in said organic material is ethylenic and wherein each ethylenically unsaturated carbon atom has no more than one hydrogen atom bonded thereto; and wherein said organic material is present in an amount of about 0.5 to 20% by weight of said composition.

Claim 2

Dependent Claim 269 words

A liquid composition consisting essentially of: (a) aromatic sulfonium complex salt, said salt being photodecomposable and being capable of initiating polymerization of cationically polymerizable monomers upon exposure to actinic radiation; (b) at least about 15% by weight of liquid neutral oxyethylene-containing material selected from: (i) compounds having the formula R[(OC.sub.2 H.sub.4).sub.n (OC.sub.3 H.sub.6).sub.m OH].sub.p where R is a polyvalent neutral organic radical having a valence of p, n+m is in the range of 1 to about 25, p is in the range of 2 to 6, wherein the oxyethylene units in such compounds constitute at least about 15% by weight of such compounds; and wherein the number of carbon atoms in R divided by the product of n and p is less than three; and (ii) compounds having the formula: R.sup.1 (OC.sub.2 H.sub.4).sub.n (OC.sub.3 H.sub.6).sub.m OH where R 1 is monovalent neutral organic radical, where n+m is in the range of 1 to 25, wherein the oxyethylene units in such compounds constitute at least about 50% by weight of such compounds; and (iii) compounds of the formula: H(OC.sub.2 H.sub.4).sub.n (OC.sub.3 H.sub.6).sub.m OH where n+m is in the range of 2 to about 25, wherein the oxyethylene units in such compounds constitute at least about 15% by weight of such compounds; and (c) an organic material containing at least one site of non-aromatic carbon-carbon unsaturation; wherein said unsaturation in said organic material is ethylenic and wherein each ethylenically unsaturated carbon atom has no more than one hydrogen atom bonded thereto; and wherein said organic material is present in an amount of about 0.5 to 20% by weight of said composition.

Claim 3

Dependent Claim 24 words

A liquid composition in accordance with claim 1, wherein at least one of said ethylenically unsaturated carbon atoms has bonded thereto a C=O group.

Claim 4

Dependent Claim 155 words

A liquid composition in accordance with claim 1, wherein said complex salt is of the formula [(R).sub.a (R.sup.1).sub.b (R.sup.2).sub.c S].sub.d.sup.+ [MQ.sub.e ].sup.-(e-f) where R is a monovalent aromatic organic radical, R 1 is a monovalent organic aliphatic radical selected from alkyl, cycloalkyl and substituted alkyl, R 2 is a polyvalent organic radical forming a heterocyclic or fused ring structure selected from aliphatic radicals and aromatic radicals, M is a metal or metalloid, Q is a halogen radical, a is a whole number equal to 0 to 3 inclusive, b is a whole number equal to 0 to 2 inclusive, c is a whole number equal to 0 or 1, where the sum of a+b+c is a value equal to 3, d=e-f, f is equal to the valence of M and is an integer equal to from 2 to 7 inclusive, e is greater than f and is an integer having a value up to 8.

Claim 5

Dependent Claim 25 words

A liquid composition in accordance with claim 3, wherein a is equal to 3, M is selected from P or Sb, and Q is F.

Claim 6

Dependent Claim 77 words

A liquid composition in accordance with claim 1, wherein said oxyethylene-containing material is selected from H(OC 2 H 4 ) 2 OH, H(OC 2 H 4 ) 3 OH, H(OC 2 H 4 ) 4 OH, HOC 2 H 4 OC 3 H 6 OH, HOC 2 H 4 (OC 3 H 6 ) 2 OH, H(OC 2 H 4 ) 4 (OC 3 H 6 ) 6 OH and H(OC 2 H 4 ) 22 OH.

Claim 7

Dependent Claim 76 words

A liquid composition in accordance with claim 1, wherein said oxyethylene-containing material is selected from C 3 H 5 [(OC 2 H 4 )OH] 3 , C 3 H 5 [(OC 2 H 4 ) 2 OH] 3 , C 4 H 8 [(OC 2 H 4 ) 4 OH] 2 , and C 6 H 4 [C 2 H 4 (OC 2 H 4 ) 3 (OC 3 H 6 ) 3 OH] 2 .

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1985-04-12	1985-10-12	1986-04-13	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1989-04-12	1989-10-12	1990-04-13	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1993-04-12	1993-10-12	1994-04-13	$7700.00	Window Closed / Lapsed

Controlling odor in photopolymerization

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