US4386991A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of bonding 4-methyl-1-pentene polymers
Assignee: Mitsui Chemicals Inc
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Filing: 1981-02-13
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Granted: 1983-06-07
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Expires: 2001-02-13
Abstract
Abstract In bonding molded articles of a 4-methyl-1-pentene polymer to each other or bonding a molded article of a 4-methyl-1-pentene polymer to a molded article comprised of a vinyl alcohol type polymer, metal or glass, if a solution of a modified 4-methyl-1-pentene polymer in cyclohexene and/or carbon tetrachloride is coated on at least one of the molded articles to be bonded, the adhesion strength can remarkably be improved.
Inventors
- 👤 Teiichi Shiomi
- 👤 Katsumi Funakoshi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:59
CPC Classifications
B; B32; B32B; B32B7/00; B32B7/04; B32B7/12; C; C08; C08J; C08J5/00; C08J5/12; C08J5/124; C08J5/125; B32B27/00; B32B27/06; B32B27/08; C09; C09J; C09J123/00; C09J123/26; C08J2323/00; C08J2323/02; C08J2323/18; C08J2323/20; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31536; Y10T428/31551; Y10T428/31645; Y10T428/31678; Y10T428/31692; Y10T428/31855; Y10T428/31909; Y10T428/31913
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
92 words
A method of bonding a molded article comprised of a 4-methyl-1-pentene polymer wherein the content of the 4-methyl-1-pentene monomer in the 4-methyl-1-pentene polymer of the molded article to be bonded is at least 80 mole% to a molded article comprised of a vinyl alcohol type polymer, metal or glass, which comprises coating a solution of a modified 4-methyl-1-pentene polymer dissolved in cyclohexene and/or carbon tetrachloride on the surface to be bonded of at least one of the molded articles at a temperature lower than 50° C. and then bonding the molded articles.
Claim 2
Independent Claim
92 words
A method of bonding a molded article comprised of a 4-methyl-1-pentene polymer wherein the content of the 4-methyl-1-pentene monomer in the 4-methyl-1-pentene polymer of the molded article to be bonded is at least 80 mole% to a molded article comprised of a vinyl alcohol type polymer, metal or glass, which comprises coating a solution of a modified 4-methyl-1-pentene polymer dissolved in cyclohexene and/or carbon tetrachloride on the surface to be bonded of at least one of the molded articles at a temperature lower than 50° C. and then bonding the molded articles.
Claim 3
Dependent Claim
30 words
A bonding method according to claim 1, wherein the modified 4-methyl-1-pentene polymer is a thermally degraded 4-methyl-1-pentene polymer or a modified 4-methyl-1-pentene polymer obtained by addition of oxygen and/or halogen.
Claim 4
Dependent Claim
28 words
A bonding method according to claim 1 wherein the molded article comprised of 4-methyl-1-pentene polymer is bonded to a molded article comprised of a vinyl alcohol type polymer.
Claim 5
Dependent Claim
24 words
A bonding method according to claim 1 wherein the molded article comprised of 4-methyl-1-pentene polymer is bonded to a molded article comprised of metal.
Claim 6
Dependent Claim
24 words
A bonding method according to claim 1 wherein the molded article comprised of 4-methyl-1-pentene polymer is bonded to a molded article comprised of glass.
References Cited (Backward Citations)
US3029215A
Cited
US3442737A
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US3514359A
Cited
GB1528414A
Cited
JPS54149386A
Cited
JPS5552334A
Cited
JPS5641228A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-06-06 | 1986-12-06 | 1987-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-06-06 | 1990-12-06 | 1991-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-06-06 | 1994-12-06 | 1995-06-07 | $7700.00 | Window Closed / Lapsed |