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US4507430A Expired / Lapsed US ⏱️ 0.0 years remaining

Water-base polyurethane emulsion

Assignee: Hodogaya Chemical Co Ltd
•
Filing: 1984-08-03
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Granted: 1985-03-26
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Expires: 2004-08-03
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Abstract

Abstract A water-base polyurethane emulsion useful as an adhesive or coating material for a polyolefin resin, which comprises a polyol component and a polyisocyanate component, characterized in that a hydrogenated polyalkadiene polyol is used as the polyol component.

Inventors

  • 👤 Shigeru Shimada
  • 👤 Akira Kuroda
  • 👤 Junichi Tomiuga
  • 👤 Shinzi Ishikawa

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 16:40
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/36; C08J9/365; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/62; C08G18/6204; C08G18/6208; C08G18/67; C08G18/69; C08G18/696; C08J5/00; C08J5/12; C08J5/124; C08J5/127; C09; C09J; C09J175/00; C09J175/04; C09J175/12; C08J2323/00; C08J2323/02

Claims Analysis

Total Claims: 13
Claim 1
Independent Claim 37 words
A water-base polyurethane emulsion useful as an adhesive or coating material for a polyolefin resin, which comprises a polyol component and a polyisocyanate component, characterized in that a hydrogenated polyalkadiene polyol is used as the polyol component.
Claim 2
Dependent Claim 37 words
A water-base polyurethane emulsion useful as an adhesive or coating material for a polyolefin resin, which comprises a polyol component and a polyisocyanate component, characterized in that a hydrogenated polyalkadiene polyol is used as the polyol component.
Claim 3
Dependent Claim 44 words
The water-base polyurethane emulsion according to claim 1, wherein the hydrogenated polyalkadiene polyol has an average molecular weight of from 500 to 4,000, an average number of functional hydroxyl groups of from 1.5 to 3, and a hydrogen saturation degree of at least 40%.
Claim 4
Dependent Claim 18 words
The water-base polyurethane emulsion according to claim 1, wherein the hydrogenated polyalkadiene polyol is a hydrogenated polybutadiene polyol.
Claim 5
Dependent Claim 18 words
The water-base polyurethane emulsion according to claim 1, wherein the hydrogenated polybutadiene polyol is a hydrogenated poly-1,3-pentadiene polyol.
Claim 6
Dependent Claim 67 words
The water-base polyurethane emulsion according to claim 1, wherein the hydrogenated polyalkadiene polyol is a hydrogenated polyol of a copolymer of a conjugated diene monomer selected from the group consisting of 1,3-butadiene and 1,3-pentadiene, with an olefin monomer selected from the group consisting of styrene, acrylonitrile, methacrylonitrile, methylacrylate and ethylmethacrylate, the content of the conjugated diene monomer being at least 50% by weight of the total monomers.
Claim 7
Dependent Claim 39 words
The water-base polyurethane emulsion according to claim 1, wherein the polyisocyanate component is selected from the group consisting of tolylene diisocyanate, 4,4'-diphenylmethane diisocyanate, naphthylene, diisocyanate, 1,6-hexamethylene diisocyanate, xylylene diisocyanate, isophorone diisocyanate, 4,4'-methylene bis(cyclohexyl isocyanate), 1,3-bis(isocyanatomethyl)cyclohexane and trimethyl hexamethylene diisocyanate.
Claim 8
Dependent Claim 64 words
The water-base polyurethane emulsion according to claim 1, wherein the polyol component further contains at least one polyol selected from the group consisting of polyoxytetramethylene glycol, polyoxypropylene polyol, polyoxyethylene polyol, a polyol obtained by the addition of ethyleneoxide or propyleneoxide to bisphenol A, polyethyleneadipate polyol, polypropyleneadipate polyol, polybutyleneadipate polyol, polycarbonate polyol, polyhexamethyleneadipate polyol, polycaprolactone polyol, ehtylene glycol, propylene glycol, 1,4-butane diol and 1,6-hexane diol.
Claim 9
Dependent Claim 23 words
The water-base polyurethane emulsion according to claim 7, wherein the polyol component contains at least 20% by weight of the hydrogenated polyalkadiene polyol.
Claim 10
Dependent Claim 40 words
A water-base polyurethane emulsion useful as an adhesive or coating material for a polyolefin resin, which is prepared by reacting a hydrogenated polybutadiene polyol with a polyisocyanate compound to form a polyurethane prepolymer and emulsifying the polyurethane prepolymer in water.
Claim 11
Dependent Claim 40 words
A water-base polyurethane emulsion useful as an adhesive or coating material for a polyolefin resin, which is prepared by reacting a hydrogenated polybutadiene polyol with a polyisocyanate compound to form a polyurethane prepolymer and emulsifying the polyurethane prepolymer in water.
Claim 12
Dependent Claim 31 words
The water-base polyurethane emulsion according to claim 9, wherein the polyurethane prepolymer is reacted with an active hydrogen compound having an anionic or a catonic salt-forming group prior to the emulsification.
Claim 13
Dependent Claim 19 words
The water-base polyurethane emulsion according to claim 10, wherein the active hydrogen compound is a half-ester of polyoxypropylene triol.

References Cited (Backward Citations)

US3993614A Cited
US3988278A Cited
US3983058A Cited
US4152309A Cited
US4389509A Cited
US4208311A Cited
JPS5613327A Cited
US4376840A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1988-03-25 1988-09-24 1989-03-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1992-03-25 1992-09-24 1993-03-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1996-03-25 1996-09-24 1997-03-26 $7700.00 Window Closed / Lapsed

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