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US4691045A Expired / Lapsed US ⏱️ 0.0 years remaining

Hydroxyl group-containing (meth)acrylate oligomer, prepolymer therefrom, and method for use thereof

Assignee: Nippon Shokubai Co Ltd
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Filing: 1985-12-05
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Granted: 1987-09-01
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Expires: 2005-12-05
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Abstract

Abstract A hydroxyl group-containing (meth)acrylate oligomer represented by the general formula I: ##STR1## wherein two R 1 's independently stand for hydrogen atom or methyl group, two Z's independently stand for a divalent organic group of 2 to 20 carbon atoms, and p stands for an integer of the value of 1 to 100, and urethane, carboxyl and hydroxyl modified prepolymer thereof.

Inventors

  • 👤 Shuzo Fukuchi
  • 👤 Shigeru Yamaguchi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 10:44
CPC Classifications
C; C08; C08F; C08F20/00; C08F20/02; C08F20/10; C08F20/26; C08F20/28; C08F290/00; C08F290/02; C08F290/06; C08F290/062

Claims Analysis

Total Claims: 25
Claim 1
Independent Claim 53 words
A hydroxyl group-containing (meth)acrylate oligomer represented by the general formula I: ##STR30## wherein two R 1 's independently stand for hydrogen atom or methyl group, two Z's independently stand for a divalent hydrocarbon group of 2 to 20 carbon atoms, and p stands for an integer of the value of 1 to 100.
Claim 2
Dependent Claim 53 words
A hydroxyl group-containing (meth)acrylate oligomer represented by the general formula I: ##STR30## wherein two R 1 's independently stand for hydrogen atom or methyl group, two Z's independently stand for a divalent hydrocarbon group of 2 to 20 carbon atoms, and p stands for an integer of the value of 1 to 100.
Claim 3
Dependent Claim 29 words
A hydroxyl group-containing (meth)acrylate oligomer according to claim 1, wherein the symbol Z in the general formula stands for a divalent hydrocarbon group of 2 to 6 carbon atoms.
Claim 4
Dependent Claim 28 words
A hydroxyl group-containing (meth)acrylate oligomer according to claim 1, wherein the symbol p in the general formula stands for an integer of the value of 1 to 20.
Claim 5
Independent Claim 114 words
A method for the production of a hydroxyl group-containing (meth)acrylate oligomer represented by the general formula I: ##STR31## wherein two R 1 's independently stand for hydrogen atom or methyl group two Z's independently stand for a divalent hydrocarbon group of 2 to 20 carbon atoms, and p stands for an integer of the value of 1 to 100, which method comprises addition polymerizing a hydroxyl group-containing (meth)acrylate represented by the general formula IV: ##STR32## wherein R 1 stands for hydrogen atom or methyl group and Z stands for a divalent hydrocarbon group of 2 to 20 carbon atoms, in the presence of a catalyst thereby converting said hydroxyl group-containing (meth)acrylate into an oligomer.
Claim 6
Independent Claim 114 words
A method for the production of a hydroxyl group-containing (meth)acrylate oligomer represented by the general formula I: ##STR31## wherein two R 1 's independently stand for hydrogen atom or methyl group two Z's independently stand for a divalent hydrocarbon group of 2 to 20 carbon atoms, and p stands for an integer of the value of 1 to 100, which method comprises addition polymerizing a hydroxyl group-containing (meth)acrylate represented by the general formula IV: ##STR32## wherein R 1 stands for hydrogen atom or methyl group and Z stands for a divalent hydrocarbon group of 2 to 20 carbon atoms, in the presence of a catalyst thereby converting said hydroxyl group-containing (meth)acrylate into an oligomer.
Claim 7
Dependent Claim 34 words
A method according to claim 4, wherein said catalyst is at least one member selected from the group consisting of protonic acid, Lewis acids, oxy sulfates, heteropoly acids and salts thereof, and isopoly acids.
Claim 8
Dependent Claim 13 words
A method according to claim 5, wherein said catalyst is a heteropoly acid.
Claim 9
Dependent Claim 23 words
A method according to claim 4, wherein said reaction is carried out at a temperature in the range of 10° to 150° C.
Claim 10
Dependent Claim 26 words
A method according to claim 4, wherein the symbol Z in the general formula stands for a divalent organic group of 2 to 6 carbon atoms.
Claim 11
Dependent Claim 25 words
A method according to claim 4, wherein the symbol p in the general formula stands for an integer of the value of 1 to 20.
Claim 12
Dependent Claim 21 words
A method according to claim 4, wherein said hydroxyl group-containing (meth)acrylate represented by the general formula IV is a hydroxyalkyl (meth)acrylate.
Claim 13
Dependent Claim 91 words
A hydroxyl group-containing (meth)acrylate prepolymer, comprising the reaction product of a hydroxyl group-containing compound (E) containing as an essential component thereof a hydroxyl group-containing (meth)acrylate oligomer (A) represented by the general formula I: ##STR33## wherein two R 1 's independently stand for hydrogen atom or methyl group, two Z's independently stand for a divalent organic group of 2 to 20 carbon atoms, and p stands for an integer of the value of 1 to 100, with an oxygen-containing cyclic compound (F) and optionally further with a carboxylic group containing compound (G).
Claim 14
Dependent Claim 91 words
A hydroxyl group-containing (meth)acrylate prepolymer, comprising the reaction product of a hydroxyl group-containing compound (E) containing as an essential component thereof a hydroxyl group-containing (meth)acrylate oligomer (A) represented by the general formula I: ##STR33## wherein two R 1 's independently stand for hydrogen atom or methyl group, two Z's independently stand for a divalent organic group of 2 to 20 carbon atoms, and p stands for an integer of the value of 1 to 100, with an oxygen-containing cyclic compound (F) and optionally further with a carboxylic group containing compound (G).
Claim 15
Dependent Claim 17 words
A hydroxyl group-containing (meth)acrylate prepolymer according to claim 11, wherein said oxygen-containing cyclic compound is a lactone.
Claim 16
Dependent Claim 18 words
A curable composition containing as an essintial component thereof a hydroxyl group-containing (meth)acrylate oligomer according to claim 1.
Claim 17
Dependent Claim 13 words
A composition according to claim 13, which further contains an ethylenically unsaturated compound.
Claim 18
Dependent Claim 18 words
A curable composition containing as an essential component thereof a hydroxyl group-containing (meth)acrylate prepolymer according to claim 11.
Claim 19
Dependent Claim 13 words
A composition according to claim 15, which further contains an ethylenically unsaturated compound.
Claim 20
Dependent Claim 19 words
A curable composition, comprising at least one of the curable compositions according to claim 13 and a photo initiator.
Claim 21
Dependent Claim 20 words
A curable composition, comprising at least one of the curable compositions according to claim 13 and a radical polymerization initiator.
Claim 22
Dependent Claim 12 words
A coating composition preponderantly comprising a curable composition according to claim 17.
Claim 23
Dependent Claim 12 words
A coating composition preponderantly comprising a curable composition according to claim 18.
Claim 24
Dependent Claim 12 words
An adhesive composition preponderantly comprising a curable composition according to claim 17.
Claim 25
Dependent Claim 12 words
An adhesive composition preponderantly comprising a curable composition according to claim 18.

References Cited (Backward Citations)

US3594410A Cited
US3663599A Cited
US3850770A Cited
US4228232A Cited
US4281172A Cited
US4458007A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1990-08-31 1991-03-02 1991-09-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1994-08-31 1995-03-02 1995-09-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1998-08-31 1999-03-02 1999-09-01 $7700.00 Window Closed / Lapsed

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