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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0022663 (2013-09-10) |
등록번호 | US-8957159 (2015-02-17) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 1 인용 특허 : 867 |
This invention relates to an adhesive comprising an olefin polymer composition comprising a first amorphous polymer having a crystallinity of 5% or less, prepared with a first catalyst; and a second crystalline polymer, differing in chemical and physical properties from the first polymer, having a c
This invention relates to an adhesive comprising an olefin polymer composition comprising a first amorphous polymer having a crystallinity of 5% or less, prepared with a first catalyst; and a second crystalline polymer, differing in chemical and physical properties from the first polymer, having a crystallinity of 20% or more, prepared with a second catalyst; and where the olefin polymer composition has a Dot T-Peel of 1 Newton or more on Kraft paper; an Mw of at least 7,000 to 80,000; a branching index (g′) of from 0.4 to 0.90 measured at the Mz of the polymer composition; and a crystallinity of between 5 and 40%.
1. An adhesive comprising an olefin polymer composition comprising: a) a first amorphous polymer having a crystallinity of 5% or less, wherein crystallinity is determined according to ASTM E 794-85, prepared with a first catalyst; andb) a second crystalline polymer, differing in chemical and physica
1. An adhesive comprising an olefin polymer composition comprising: a) a first amorphous polymer having a crystallinity of 5% or less, wherein crystallinity is determined according to ASTM E 794-85, prepared with a first catalyst; andb) a second crystalline polymer, differing in chemical and physical properties from the first polymer, having a crystallinity of 20% or more, wherein crystallinity is determined according to ASTM E 794-85, prepared with a second catalyst; and where the olefin polymer composition has: a) a Dot T-Peel of 1 Newton or more on Kraft paper;b) an Mw of at least 7,000 to 80,000;c) a branching index (g′) of from 0.4 to 0.90 measured at the Mz of the polymer composition; andd) a crystallinity of between 5 and 40%, wherein crystallinity is determined according to ASTM E 794-85. 2. The adhesive of claim 1, wherein the polymer composition has: a) a Dot T-Peel of 2 Newton or more on Kraft paper;b) a branching index of 0.4 to 0.8;c) a Mw of 10,000 to 60,000; andd) a crystallinity of between 10 and 30%, wherein crystallinity is determined according to ASTM E 794-85. 3. The adhesive of claim 1, wherein the olefin polymer composition has: a) an isotactic run length of 1 to 30,b) a percent of r dyad of greater than 20%, andc) a crystallinity of between 10 and 30%, wherein crystallinity is determined according to ASTM E 794-85. 4. The adhesive of claim 1, wherein the olefin polymer composition has a melt viscosity of 7000 mPa·sec or less at 190° C. 5. The adhesive of claim 1, wherein the olefin polymer composition has a melt viscosity of 5000 mPa·sec or less at 190° C. 6. The adhesive of claim 1, wherein the olefin polymer composition has a melt viscosity of between 250 and 6000 mPa·sec at 190° C. 7. The adhesive of claim 1, wherein the olefin polymer composition has a melt viscosity of between 500 and 3000 mPa·sec at 190° C. 8. The adhesive of claim 4, wherein the olefin polymer composition has a Tg of 0° C. or less. 9. A pellet comprising the adhesive of claim 1. 10. The adhesive of claim 1, further comprising a functionalized wax. 11. The adhesive of claim 1, further comprising a wax. 12. The adhesive of claim 1, adhesive further comprising a hydrocarbon resin. 13. The adhesive of claim 1, further comprising one or more hydrocarbon resins selected from the group consisting of aliphatic hydrocarbon resins, aromatic modified aliphatic hydrocarbon resins, hydrogenated polycyclopentadiene resins, polycyclopentadiene resins, gum rosins, gum rosin esters, wood rosins, wood rosin esters, tall oil rosins, tall oil rosin esters, polyterpenes, aromatic modified polyterpenes, terpene phenolics, aromatic modified hydrogenated polycyclopentadiene resins, hydrogenated aliphatic resin, hydrogenated aliphatic aromatic resins, hydrogenated terpenes and modified terpenes, and hydrogenated rosin esters. 14. The adhesive of claim 1, further comprising hydrocarbon resin present at 1 weight % to about 80 weight %. 15. The adhesive of claim 1, further comprising hydrocarbon resin present at 2 weight % to about 40 weight %. 16. The adhesive of claim 1, further comprising hydrocarbon resin present at 3 weight % to 30 weight %. 17. The adhesive of claim 1, further comprising hydrocarbon resin present at 1 weight % to about 80 weight % selected from the group consisting of: C5/C6 terpene resins, styrene terpenes, alpha-methyl styrene terpene resins, C9 terpene resins, aromatic modified C5/C6, aromatic modified cyclic resins, aromatic modified dicyclopentadiene based resins, resins obtained from the cationic polymerization of compositions containing one or more of the following monomers: C5 diolefins; C5 olefins; C6 olefins, C9 vinylaromatics; cyclics; and or terpenes; resins obtained by the thermal polymerization of dicyclopentadiene, and the thermal polymerization of dimers or oligomers of cyclopentadiene and/or methylcyclopentadiene, optionally with vinylaromatics. 18. The adhesive of claim 1, wherein the adhesive comprises less than 5% hydrocarbon resin. 19. The adhesive of claim 1, wherein the adhesive comprises less than 3% hydrocarbon resin. 20. The adhesive of claim 1, wherein the adhesive comprises less than 1% hydrocarbon resin. 21. The adhesive of claim 1, wherein the olefin polymer composition comprises propylene and one or more of butene, pentene, hexene, octene, nonene, and decene, wherein the olefin polymer comprises less than 50 mole % ethylene, and wherein the olefin polymer has a Dot T-Peel of 3 or more Newtons; a viscosity of 8000 mPa·sec or less at 190° C.; a branching index (g′) of from 0.4 to 0.85 measured at the Mz of the polymer composition; and an Mw of 100,000 or less. 22. The adhesive of claim 1, wherein the olefin polymer composition comprises propylene and hexene. 23. The adhesive of claim 1, wherein the polymer composition is functionalized, with functional groups of maleic acid or maleic anhydride.
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