US5883208A — Initiator system and adhesive composition made th…

Claim 1

Independent Claim 35 words

An initiator system capable of initiating the polymerization of acrylic monomers comprising (1) an organoborane amine complex and (2) a decomplexer comprising at least one anhydride group and at least one free radically polymerizable group.

Claim 2

Dependent Claim 35 words

An initiator system capable of initiating the polymerization of acrylic monomers comprising (1) an organoborane amine complex and (2) a decomplexer comprising at least one anhydride group and at least one free radically polymerizable group.

Claim 3

Dependent Claim 32 words

An initiator system capable of initiating the polymerization of acrylic monomers comprising (1) an organoborane amine complex and (2) a decomplexer having a cyclic structure and comprising at least one anhydride group.

Claim 4

Dependent Claim 32 words

An initiator system capable of initiating the polymerization of acrylic monomers comprising (1) an organoborane amine complex and (2) a decomplexer having a cyclic structure and comprising at least one anhydride group.

Claim 5

Dependent Claim 59 words

A polymerizable acrylic composition comprising: a) at least one acrylic monomer; b) an effective amount of an organoborane amine complex; and c) an effective amount of a decomplexer having a cyclic structure and comprising at least one anhydride group, said decomplexer being reactive with said amine to liberate the organoborane to initiate polymerization of at least one acrylic monomer.

Claim 6

Dependent Claim 59 words

A polymerizable acrylic composition comprising: a) at least one acrylic monomer; b) an effective amount of an organoborane amine complex; and c) an effective amount of a decomplexer having a cyclic structure and comprising at least one anhydride group, said decomplexer being reactive with said amine to liberate the organoborane to initiate polymerization of at least one acrylic monomer.

Claim 7

Dependent Claim 18 words

An initiator system according to claim 1 wherein said organoborane amine complex comprises at least two amine groups.

Claim 8

Dependent Claim 34 words

An initiator system according to claim 1 wherein said decomplexer has the structure: ##STR10## wherein each R 1 and R 2 are independently selected from the group consisting of aliphatic, cycloaliphatic and aromatic groups.

Claim 9

Dependent Claim 46 words

An initiator system according to claim 5 wherein at least one of the R 1 and R 2 groups comprises a group selected from the group consisting of monosubstituted alkene groups, 1,1-disubstituted alkene groups, and 1,2-disubstituted alkene groups which are part of an α,β-unsaturated carbonyl structure.

Claim 10

Dependent Claim 23 words

An initiator system according to claim 2 wherein said decomplexer has the following structure: ##STR11## wherein R 3 is a divalent organic radical.

Claim 11

Dependent Claim 37 words

An initiator system according to claim 7 wherein R 3 comprises a group selected from the group consisting of monosubstituted alkene groups, 1,1-disubstituted alkene groups, and 1,2-disubstituted alkene groups which are part of an α,β-unsaturated carbonyl structure.

Claim 12

Dependent Claim 24 words

An initiator system according to claim 7 wherein said cyclic structure comprises the reaction product of an active hydrogen containing compound and a polyanhydride.

Claim 13

Dependent Claim 71 words

An initiator system according to claim 9 wherein said active hydrogen containing compound has the following structure: ##STR12## wherein R 4 is selected from the group consisting of hydrogen, methyl, ethyl and chlorine; R 5 is selected from the group consisting of alkyl groups; and X is selected from the group consisting of oxygen and NR 6 wherein R 6 is selected from the group consisting of hydrogen and alkyl groups.

Claim 14

Dependent Claim 41 words

An initiator system according to claim 10 wherein R 4 is selected from the group consisting of hydrogen and methyl; R 5 is selected from the group consisting of alkyl groups having 2 to 4 carbon atoms; and X is oxygen.

Claim 15

Dependent Claim 85 words

An initiator system according to claim 9 wherein said active hydrogen containing compound-has the following structure: ##STR13## wherein R 1 is selected from the group consisting of hydrogen, methyl, ethyl and chlorine; each R 2 and R 4 are independently selected from the group consisting of alkyl groups; X is selected from the group consisting of oxygen and NR 6 wherein R 6 is selected from the group consisting of hydrogen and alkyl groups; and m is an integer greater than or equal to 1.

Claim 16

Dependent Claim 67 words

An initiator system according to claim 12 wherein R 4 is selected from the group consisting of hydrogen and methyl; R 5 is selected from the group consisting of alkyl groups having 2 to 4 carbon atoms; X is oxygen; R 7 is selected from the group consisting of alkyl groups having 3 to 5 carbon atoms; and m is an integer greater from 1 to 4.

Claim 17

Dependent Claim 27 words

An initiator system according to claim 1 wherein said decomplexer is selected from the group consisting of methacrylic anhydride, itaconic anhydride, maleic anhydride and isobutenyl succinic anhydride.

Claim 18

Dependent Claim 18 words

An initiator system according to claim 1 wherein said organoborane amine complex comprises at least two amine groups.

Claim 19

Dependent Claim 89 words

An initiator system according to claim 1 wherein said complex has the structure: ##STR14## wherein R 8 is selected from the group consisting of alkyl groups having 1 to 10 carbon atoms; R 9 and R 10 are independently selected from the group consisting of alkyl groups having 1 to 10 carbon atoms and phenyl-containing groups; the value of v is selected so as to provide a 0.5:1 to 4:1 ratio of primary or secondary amine nitrogen atoms to boron atoms in the complex; and Am is an amine.

Claim 20

Dependent Claim 80 words

An initiator system according to claim 16 wherein Am has the structure: ##STR15## where R 11 and R 12 are independently selected from the group consisting of hydrogen, alkyl groups having 1 to 10 carbon atoms, hydroxyethyl and ##STR16## wherein R 13 and R 14 are independently selected from the group consisting of hydrogen and alkyl groups having 1 to 10 carbon atoms; m is an integer from 2 to 10; and n is an integer from 1 to 6.

Claim 21

Dependent Claim 91 words

An initiator system according to claim 16 wherein Am is a polyoxyalkylenepolyamine having a structure selected from the group consisting of: H.sub.2 NR.sub.15 O--(R.sub.16 O).sub.w --(R.sub.17 O).sub.x --(R.sub.16 O).sub.y --R.sub.15 NH.sub.2 or H.sub.2 NR.sub.15 O--(R.sub.16 O).sub.w !.sub.z --R.sub.18 wherein R 15 , R 16 and R 17 are independently selected from the group consisting of alkylene and alkyl groups; R 18 is selected from the group consisting of polyol residues; the value of w is ≧1; the value of x and y are ≧0; and the value of z is >2.

Claim 22

Dependent Claim 60 words

An initiator system according to claim 16 wherein Am has the structure E--(L--E) q --L--E wherein each E group is independently selected from the group consisting of the residues of diprimary amine-terminated materials; each L is independently selected from the group consisting of the residues of materials having at least two groups reactive with primary amines; and q is ≧0.

Claim 23

Dependent Claim 62 words

A polymerizable acrylic composition comprising: a) at least one acrylic monomer; b) an effective amount of an organoborane amine complex; and c) an effective amount of a decomplexer comprising at least one anhydride group and at least one free radically polymerizable group, said decomplexer being reactive with said amine to liberate the organoborane to initiate polymerization of at least one acrylic monomer.

Claim 24

Dependent Claim 62 words

A polymerizable acrylic composition comprising: a) at least one acrylic monomer; b) an effective amount of an organoborane amine complex; and c) an effective amount of a decomplexer comprising at least one anhydride group and at least one free radically polymerizable group, said decomplexer being reactive with said amine to liberate the organoborane to initiate polymerization of at least one acrylic monomer.

Claim 25

Dependent Claim 38 words

A polymerizable acrylic composition according to claim 20 wherein the at least one acrylic monomer is selected from the group consisting of monofunctional acrylate ester, monofunctional methacrylate ester, substituted derivatives of the foregoing, and blends of the foregoing.

Claim 26

Dependent Claim 19 words

A polymerizable acrylic composition according to claim 20, wherein said organoborane amine complex comprises at least two amine groups.

Claim 27

Dependent Claim 35 words

A polymerizable acrylic composition according to claim 20 wherein said decomplexer has the structure: ##STR17## wherein each R 1 and R 2 are independently selected from the group consisting of aliphatic, cycloaliphatic and aromatic groups.

Claim 28

Dependent Claim 46 words

A polymerizable acrylic composition according to claim 23 wherein at least one of the R 1 and R 2 comprises a group selected from the group consisting of monosubstituted alkene groups, 1,1-disubstituted alkene groups, and 1,2-disubstituted alkene groups which are part of an α,β-unsaturated carbonyl structure.

Claim 29

Dependent Claim 24 words

A polymerizable acrylic composition according to claim 3 wherein said decomplexer has the following structure: ##STR18## wherein R 3 is a divalent organic radical.

Claim 30

Dependent Claim 40 words

A polymerizable acrylic composition according to claim 25 wherein R 3 comprises at least one group selected from the group consisting of monosubstituted alkene groups, 1,1-disubstituted alkene groups, and 1,2-disubstituted alkene groups which are part of an α,β-unsaturated carbonyl structure.

Claim 31

Dependent Claim 24 words

A polymerizable acrylic composition according to claim 25 wherein said decomplexer comprises the reaction product of an active hydrogen containing compound and a polyanhydride.

Claim 32

Dependent Claim 72 words

A polymerizable acrylic composition according to claim 27 wherein said active hydrogen containing compound has the following structure: ##STR19## wherein R 4 is selected from the group consisting of hydrogen, methyl, ethyl and chlorine; R 2 is selected from the group consisting of alkyl groups; and X is selected from the group consisting of oxygen and NR 6 wherein R 6 is selected from the group consisting of hydrogen and alkyl groups.

Claim 33

Dependent Claim 87 words

A polymerizable acrylic composition according to claim 27 wherein said active hydrogen containing compound has the following structure: ##STR20## wherein R 1 is selected from the group consisting of hydrogen, methyl, ethyl and chlorine; each R 2 and R 4 are independently selected from the group consisting of alkyl groups; X is selected from the group consisting of oxygen and NR 6 wherein R 6 is selected from the group consisting of hydrogen and alkyl groups; and m is an integer greater than or equal to 1.

Claim 34

Dependent Claim 28 words

A polymerizable acrylic composition according to claim 20 wherein said decomplexer is selected from the group consisting of methacrylic anhydride, itaconic anhydride, maleic anhydride and isobutenyl succinic anhydride.

Claim 35

Dependent Claim 9 words

A polymerized acrylic adhesive composition according to claim 20.

Claim 36

Independent Claim 102 words

A method of initiating a polymerization of at least one acrylic monomer, the method comprising the steps of: a) providing at least one acrylic monomer; b) blending the at least one acrylic monomer with the components of a polymerization initiator system, said system comprising; i) an organoborane amine complex, ii) an effective amount of a decomplexer comprising at least one anhydride group and at least one free radically polymerizable group, said decomplexer being reactive with amine for liberating the organoborane to initiate the polymerization of the at least one acrylic monomer; and c) initiating polymerization of the at least one acrylic monomer.

Claim 37

Independent Claim 102 words

A method of initiating a polymerization of at least one acrylic monomer, the method comprising the steps of: a) providing at least one acrylic monomer; b) blending the at least one acrylic monomer with the components of a polymerization initiator system, said system comprising; i) an organoborane amine complex, ii) an effective amount of a decomplexer comprising at least one anhydride group and at least one free radically polymerizable group, said decomplexer being reactive with amine for liberating the organoborane to initiate the polymerization of the at least one acrylic monomer; and c) initiating polymerization of the at least one acrylic monomer.

Claim 38

Independent Claim 93 words

A method of increasing the solvent resistance of a polymerized acrylic adhesive composition obtained by organoborane-initiated polymerization of acrylic monomer, said method comprising the steps of a) providing at least one acrylic monomer; b) providing an organoborane amine complex comprising at least two amine groups; c) providing a decomplexer comprising at least one anhydride group and at least one free radically polymerizable group; d) blending components a), b) and c), and; e) initiating polymerization of the at least one acrylic monomer and continuing polymerization until a solvent resistant acrylic adhesive composition is obtained.

Claim 39

Independent Claim 93 words

A method of increasing the solvent resistance of a polymerized acrylic adhesive composition obtained by organoborane-initiated polymerization of acrylic monomer, said method comprising the steps of a) providing at least one acrylic monomer; b) providing an organoborane amine complex comprising at least two amine groups; c) providing a decomplexer comprising at least one anhydride group and at least one free radically polymerizable group; d) blending components a), b) and c), and; e) initiating polymerization of the at least one acrylic monomer and continuing polymerization until a solvent resistant acrylic adhesive composition is obtained.

Claim 40

Dependent Claim 52 words

An initiator system capable of initiating the polymerization of acrylic monomers comprising (1) an organoborane amine complex, and (2) a decomplexer comprising at least one hydride group selected from the group consisting of aliphatic anhydrides having an aliphatic group comprising at least 2 carbon atoms cycloaliphatic anhydrides, cyclic anhydrides, and aromatic anhydrides.

Claim 41

Dependent Claim 52 words

An initiator system capable of initiating the polymerization of acrylic monomers comprising (1) an organoborane amine complex, and (2) a decomplexer comprising at least one hydride group selected from the group consisting of aliphatic anhydrides having an aliphatic group comprising at least 2 carbon atoms cycloaliphatic anhydrides, cyclic anhydrides, and aromatic anhydrides.

Claim 42

Dependent Claim 51 words

An initiator system capable of initiating the polymerization of acrylic monomers comprising (1) an organoborane amine complex and (2) a decomplexer comprising at least one anhydride group capable of reacting with the amine portion of the organoborane amine complex to form a decomplexer-amine reaction product comprising a free radically polymerizable group.

Claim 43

Dependent Claim 51 words

An initiator system capable of initiating the polymerization of acrylic monomers comprising (1) an organoborane amine complex and (2) a decomplexer comprising at least one anhydride group capable of reacting with the amine portion of the organoborane amine complex to form a decomplexer-amine reaction product comprising a free radically polymerizable group.

Claim 44

Dependent Claim 20 words

An initiator system according to claim 35, wherein said decomplexer-amine reaction product comprises more than one free radically polymerizable group.

Claim 45

Dependent Claim 81 words

A polymerizable acrylic composition comprising: a) at least one acrylic monomer; b) an effective amount of an organoborane amine complex; and c) an effective amount of a decomplexer comprising at least one anhydride group, said decomplexer being reactive with said amine to liberate the organoborane to initiate polymerization of at least one acrylic monomer, said anhydride group capable of reacting with the amine portion of the organoborane amine complex to form a decomplexer-amine reaction product comprising a free radically polymerizable group.

Claim 46

Dependent Claim 81 words

A polymerizable acrylic composition comprising: a) at least one acrylic monomer; b) an effective amount of an organoborane amine complex; and c) an effective amount of a decomplexer comprising at least one anhydride group, said decomplexer being reactive with said amine to liberate the organoborane to initiate polymerization of at least one acrylic monomer, said anhydride group capable of reacting with the amine portion of the organoborane amine complex to form a decomplexer-amine reaction product comprising a free radically polymerizable group.

Claim 47

Dependent Claim 20 words

A polymerizable acrylic composition of claim 37, wherein said decomplexer-amine reaction product comprises more than one free radically polymerizable group.

Claim 48

Dependent Claim 75 words

A polymerizable acrylic composition comprising: a) at least one acrylic monomer; b) an effective amount of an organoborane amine complex; and c) an effective amount of a decomplexer comprising at least one anhydride group selected from the group consisting of aliphatic anhydrides having a C 2 or greater alkyl group, cycloaliphatic anhydrides, and aromatic anhydrides, said decomplexer being reactive with said amine to liberate the organoborane to initiate polymerization of at least one acrylic monomer.

Claim 49

Dependent Claim 75 words

A polymerizable acrylic composition comprising: a) at least one acrylic monomer; b) an effective amount of an organoborane amine complex; and c) an effective amount of a decomplexer comprising at least one anhydride group selected from the group consisting of aliphatic anhydrides having a C 2 or greater alkyl group, cycloaliphatic anhydrides, and aromatic anhydrides, said decomplexer being reactive with said amine to liberate the organoborane to initiate polymerization of at least one acrylic monomer.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	2002-03-15	2002-09-14	2003-03-16	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2006-03-15	2006-09-14	2007-03-16	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2010-03-15	2010-09-14	2011-03-16	$7700.00	Window Closed / Lapsed

Initiator system and adhesive composition made therewith

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