← Back to Patent Explorer
US4634729A Expired / Lapsed US ⏱️ 0.0 years remaining

Terpene-based ester tackifiers

Assignee: Union Camp Corp
•
Filing: 1985-09-23
•
Granted: 1987-01-06
•
Expires: 2005-09-23
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Terpene-based esters are found to be advantageous tackifiers in polymeric resin based adhesives.

Inventors

  • 👤 Mark S. Pavlin
  • 👤 Richard L. Veazey

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 09:31
CPC Classifications
C; C09; C09J; C09J123/00; C09J123/02; C09J123/04; C09J123/08; C09J157/00; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/28; C08L2666/34

Claims Analysis

Total Claims: 18
Claim 1
Independent Claim 85 words
In an adhesive formulation comprising a polymeric resin and a tackifying proportion of a tackifier compound, the improvement, which comprises; the presence of a terpene-based ester as a tackifier ingredient, said terpene-based ester being of the formula: (R).sub.n AP wherein R is the residue of a conjugated diene terpene compound following Diels-Alder reaction with an acrylate-polyol ester; AP represents the reaction residue of a acrylatepolyol ester; and n is a whole number integer equal to the number of reacted acrylate groups in the acrylate-polyol ester.
Claim 2
Dependent Claim 85 words
In an adhesive formulation comprising a polymeric resin and a tackifying proportion of a tackifier compound, the improvement, which comprises; the presence of a terpene-based ester as a tackifier ingredient, said terpene-based ester being of the formula: (R).sub.n AP wherein R is the residue of a conjugated diene terpene compound following Diels-Alder reaction with an acrylate-polyol ester; AP represents the reaction residue of a acrylatepolyol ester; and n is a whole number integer equal to the number of reacted acrylate groups in the acrylate-polyol ester.
Claim 3
Dependent Claim 41 words
The composition of claim 1 wherein the resin is an elastomer selected from the group consisting of styrenebutadiene copolymers, carboxylated styrene-butadiene polymers, styrene-isoprene-styrene copolymers, hydrogenated styrene-ethylene-butadiene styrene polymers, natural rubber or isoprene elastomers, ethylene vinyl acetate copolymers, and acrylate-polyol ester elastomers.
Claim 4
Dependent Claim 85 words
In an adhesive formulation comprising a polymeric resin and a tackifying proportion of a tackifier compound, the improvement, which comprises; the presence of a terpene-based ester as a tackifier ingredient, said terpene-based ester being of the formula: (R').sub.n AP wherein R' is the residue of a conjugated triene terpene compound following Diels-Alder reaction with an acrylate-polyol ester; AP represents the reaction residue of the acrylate-polyol ester; and n is a whole number integer equal to the number of reacted acrylate groups in the acrylate-polyol ester.
Claim 5
Dependent Claim 85 words
In an adhesive formulation comprising a polymeric resin and a tackifying proportion of a tackifier compound, the improvement, which comprises; the presence of a terpene-based ester as a tackifier ingredient, said terpene-based ester being of the formula: (R').sub.n AP wherein R' is the residue of a conjugated triene terpene compound following Diels-Alder reaction with an acrylate-polyol ester; AP represents the reaction residue of the acrylate-polyol ester; and n is a whole number integer equal to the number of reacted acrylate groups in the acrylate-polyol ester.
Claim 6
Dependent Claim 93 words
In an adhesive formulation comprising a polymeric resin and a tackifying proportion of a tackifier compound, the improvement, which comprises; the presence of a terpene-based ester as a tackifier ingredient, said terpene-based ester being of the formula: (RA).sub.n P wherein RA is the residue of the Diels-Alder adduct of a terpene diene compound and acrylic acid, methacrylic acid, or crotonic acid following esterification with a polyol; P represents the esterification reaction residue of the polyol; and n is a whole number integer equal to the number of reacted alcohol groups in the polyol.
Claim 7
Dependent Claim 93 words
In an adhesive formulation comprising a polymeric resin and a tackifying proportion of a tackifier compound, the improvement, which comprises; the presence of a terpene-based ester as a tackifier ingredient, said terpene-based ester being of the formula: (RA).sub.n P wherein RA is the residue of the Diels-Alder adduct of a terpene diene compound and acrylic acid, methacrylic acid, or crotonic acid following esterification with a polyol; P represents the esterification reaction residue of the polyol; and n is a whole number integer equal to the number of reacted alcohol groups in the polyol.
Claim 8
Dependent Claim 93 words
In an adhesive formulation comprising a polymeric resin and a tackifying proportion of a tackifier compound, the improvement, which comprises; the presence of a terpene-based ester as a tackifier ingredient, said terpene-based ester being of the formula: (RA').sub.n P wherein RA' is the residue of the Diels-Alder adduct of a terpene triene compound and acrylic acid, methacrylic acid, or crotonic acid following esterification with a polyol; P represents the esterification reaction residue of the polyol; and n is a whole number integer equal to the number of reacted alcohol groups in the polyol.
Claim 9
Dependent Claim 93 words
In an adhesive formulation comprising a polymeric resin and a tackifying proportion of a tackifier compound, the improvement, which comprises; the presence of a terpene-based ester as a tackifier ingredient, said terpene-based ester being of the formula: (RA').sub.n P wherein RA' is the residue of the Diels-Alder adduct of a terpene triene compound and acrylic acid, methacrylic acid, or crotonic acid following esterification with a polyol; P represents the esterification reaction residue of the polyol; and n is a whole number integer equal to the number of reacted alcohol groups in the polyol.
Claim 10
Dependent Claim 21 words
The compositions of claims 1, 3, 4, and 5 wherein the terpene-based esters have molecular weights of from 300 to 1000.
Claim 11
Dependent Claim 19 words
The compositions of claims 1 and 4 wherein the terpene-based esters are prepared from trimethylolpropane, alpha-terpinene, and acrylic acid.
Claim 12
Dependent Claim 19 words
The compositions of claims 1 and 4 wherein the terpene-based esters are prepared from pentaerythritol, alpha-terpinene, and acrylic acid.
Claim 13
Dependent Claim 19 words
The compositions of claims 3 and 5 wherein the terpene-based esters are prepared from trimethylolpropane, alloocimene, and acrylic acid.
Claim 14
Dependent Claim 19 words
The compositions of claims 3 and 5 wherein the terpene-based esters are prepared from trimethylolpropane, myrcene, and acrylic acid.
Claim 15
Dependent Claim 19 words
The compositions of claims 3 and 5 wherein the terpene-based esters are prepared from pentaerythritol, alloocimene, and acrylic acid.
Claim 16
Dependent Claim 41 words
The composition of claim 3 wherein the resin is an elastomer selected from the group consisting of styrene-butadiene copolymers, carboxylated styrene-butadiene polymers, styrene-isoprene-styrene copolymers, hydrogenated styrene-ethylene-butadiene styrene polymers, natural rubber or isoprene elastomers, ethylene vinyl acetate copolymers, and acrylate-polyol ester elastomers.
Claim 17
Dependent Claim 41 words
The composition of claim 4 wherein the resin is an elastomer selected from the group consisting of styrene-butadiene copolymers, carboxylated styrene-butadiene polymers, styrene-isoprene-styrene copolymers, hydrogenated styrene-ethylene-butadiene styrene polymers, natural rubber or isoprene elastomers, ethylene vinyl acetate copolymers, and acrylate-polyol ester elastomers.
Claim 18
Dependent Claim 41 words
The composition of claim 5 wherein the resin is an elastomer selected from the group consisting of styrene-butadiene copolymers, carboxylated styrene-butadiene polymers, styrene-isoprene-styrene copolymers, hydrogenated styrene-ethylene-butadiene styrene polymers, natural rubber or isoprene elastomers, ethylene vinyl acetate copolymers, and acrylate-polyol ester elastomers.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1990-01-05 1990-07-07 1991-01-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1994-01-05 1994-07-07 1995-01-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1998-01-05 1998-07-07 1999-01-06 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag