Syndiotactic rich polyolefins
AssigneeExxonMobil Chemical Patents Inc.
InventorsPatrict Brant, Mun Fu Tse, Caiguo Gong, Peijun Jiang, Hideaki Wakabayashi
Life of this patent
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Abstract
Disclosed herein is a polymer comprising an amorphous syndiotactic rich polyolefin comprising greater than about 50 wt % C3-C40 alpha olefins and having about 50% to less than about 80% r dyads, based on the total number of r and m dyads present in the polymer; a heat of fusion of 10 joules/g or less according to the procedure described in ASTM E 794-85; and an ash content of 1 wt % or less. A functionalized amorphous syndiotactic rich polyolefin is also disclosed, along with methods to produce and a method to use the inventive polymer.
Claims127
An amorphous syndiotactic rich polyolefin comprising greater than about 50 wt % C3-C40 alpha olefins and having:
- about 50% to less than about 80% r dyads, based on the total number of r and m dyads present in the polymer;
- at least about 6.25% r pentads to about 31.6% r-pentads, based on the total number of r and m-pentads present in the polymer;
- a heat of fusion of 10 joules/g or less;
- and
- an ash content of 1 wt % or less, wherein the amorphous syndiotactic rich polyolefin has no discernable crystallization temperature (Tc).
A polymer blend comprising:
- an amorphous syndiotactic rich polyolefin having greater than about 50 wt % C3-C40 alpha olefins, about 50% to less than about 80% r dyads, based on the total number of r and m dyads present in the polymer, at least about 6.25% r pentads to about 31.6% r-pentads, based on the total number of r and m-pentads present in the polymer, a heat of fusion of 10 joules/g or less, and an ash content of 1 wt % or less;
- wherein the amorphous syndiotactic rich polyolefin has no discernable crystallization temperature (Tc);
- and
- at least one additive comprising a C2-C40 polymer, a C2-C40 copolymer, an elastomer, a random copolymer, an impact copolymer, a fluctional polymer, a tackifier, a crossliniking agent, an antioxidant, a neutralizing agent, a nucleating agent, a filler, an adhesion promoter, an oil, a plasticizer, a wax, an ester polymer, a rubber toughened composition, a recycled polymer, a block, an antiblock, a pigment, a dye, a processing aid, a UV stabilizer, a lubricant, an adjuvant, a surfactant, a color masterbatch, a flow improver, a crystallization aid, a polyalphaolefin, a Group III basestock, or a combination thereof.
An amorphous syndiotactic rich polyolefin that has been functionalized with a functional group;
- wherein prior to being functionalized, the amorphous syndiotactic rich polyolefin comprises:
- greater than about 50 wt % C3-C40 alpha olefins
- about 50% to less than about 80% r dyads, based on the total number of r and m dyads present in the polymer;
- at least about 6.25% r pentads to about 31.6% r-pentads, based on the total number of r and m-pentads present in the polymer;
- a heat of fusion of 10 joules/g or less according to the procedure described in ASTM E 794-85;
- and
- an ash content of 1 wt % or less, wherein the amorphous syndiotactic rich polyolefin has no discernable crystallization temperature (Tc).
A polymer blend comprising:
- an amorphous syndiotactic rich polyolefin that has been functionalized with a functional group;
- wherein prior to being functionalized, the amorphous syndiotactic rich polyolefin comprises:
- greater than about 50 wt % C3-C40 alpha olefins, about 50% to less than about 80% r dyads, based on the total number of r and m dyads present in the polymer, at least about 6.25% r pentads to about 31.6% r-pentads, based on the total number of r and m-pentads present in the polymer, a heat of fusion of 10 joules/g or less, and an ash content of 1 wt % or less;
- wherein the amorphous syndiotactic rich polyolefin has no discernable crystallization temperature (Tc);
- and
- at least one additive comprising a C2-C40 polymer, a C2-C40 copolymer, an elastomer, a random copolymer, an impact copolymer, a fluctional polymer, a tackifier, a crosslinking agent, an antioxidant, a neutralizing agent, a nucleating agent, a filler, an adhesion promoter, an oil, a plasticizer, a wax, an ester polymer, a rubber toughened composition, a recycled polymer, a block, an antiblock, a pigment, a dye, a processing aid, a UV stabilizer, a lubricant, an adjuvant, a surfactant, a color masterbatch, a flow improver, a crystallization aid, or a combination thereof.
The contact product of an amorphous syndiotactic rich polyolefin, a functional group, and a functionalization catalyst, wherein the amorphous syndiotactic rich polyolefin comprises:
- greater than about 50 wt % C3-C40 alpha olefins
- about 50% to less than about 80% r dyads, based on the total number of r and m dyads present in the polymer;
- at least about 6.25% r pentads to about 31.6% r-pentads, based on the total number of r and m-pentads present in the polymer;
- a heat of fusion of 10 joules/g or less;
- and
- an ash content of 1 wt % or less, wherein the amorphous syndiotactic rich polyolefin has no discernable crystallization point (Tc).
A polymer comprising amorphous syndiotactic rich polypropylene functionalized with maleic anhydride, wherein the functionalized polypropylene comprises about 50% to less than about 80% r dyads, based on the total number of r and m dyads present in the polymer;
- at least about 6.25% r pentads to about 31.6% r-pentads, based on the total number of r and m-pentads present in the polymer;
- a heat of fusion of 10 joules/g or less;
- and
- an ash content of 1 wt % or less, wherein the amorphous syndiotactic rich polyolefin has and no discernable crystallization point (Tc).
A polymer blend comprising amorphous syndiotactic rich polypropylene functionalized with maleic anhydride, and at least one additive, wherein the functionalized polypropylene comprises about 50% to less than about 80% r dyads, based on the total number of r and m dyads present in the polymer;
- at least about 6.25% r pentads to about 31.6% r-pentads, based on the total number of r and m-pentads present in the polymer;
- a heat of fusion of 10 joules/g or less;
- and
- an ash content of 1 wt % or less, wherein the amorphous syndiotactic rich polyolefin has no discernable crystallization point (Tc), and wherein the additive is selected from the group consisting of a C2-C40 polymer, an elastomer, a random copolymer, an impact copolymer, a fluctional polymer, a tackifier, a crosslinking agent, an antioxidant, a neutralizing agent, a nucleating agent, a filler, an adhesion promoter, an oil, a plasticizer, a wax, an ester polymer, a block, an antiblock, a pigment, a dye, a processing aid, a UV stabilizer, a lubricant an adjuvant, a surfactant, a color masterbatch, a flow improver, a crystallization aid, and a combination thereof.
An adhesive composition comprising an amorphous syndiotactic rich polyolefin, an amorphous syndiotactic rich polyolefin that has been functionalized with a functional group, or a combination thereof, wherein the amorphous syndiotactic rich polyolefin comprises:
- greater than about 50 wt % C3-C40 alpha olefins;
- about 50% to less than about 80% r dyads, based on the total number of r and m dyads present in the polymer;
- at least about 6.25% r pentads to about 31.6% r-pentads, based on the total number of r and m-pentads present in the polymer;
- a heat of fusion of 10 joules/g or less;
- and
- an ash content of 1 wt % or less, wherein the amorphous syndiotactic rich polyolefin has no discernable crystallization point (Tc),
- and wherein the functional group, when present, comprises a compound having a weight average molecular weight of 1000 or less, and a carbon-carbon double bond, a carbon-carbon triple bond, and/or a heteroatom;
- the adhesive composition having a peel strength to isotactic polypropylene of greater than about 3.5 lb/in, and a peel strength to polyester film of greater than about 0.5 lb/in.
An amorphous syndiotactic rich polyolefin that has been functionalized with a functional group;
- wherein the functionalized amorphous syndiotactic rich polyolefin comprises:
- greater than about 50 wt % C3-C40 alpha olefins;
- about 50% to less than about 80% r dyads, based on the total number of r and m dyads present in the polymer;
- at least about 6.25% r pentads to about 31.6% r-pentads, based on the total number of r and m-pentads present in the polymer;
- and
- a heat of fusion of 10 joules/g or less, wherein the amorphous syndiotactic rich polyolefin has no discernable crystallization point (Tc).
A process to make a polymeric material comprising the steps of:
- melt blending an amorphous syndiotactic rich polyolefin and at least one additive under high shear conditions to produce a concentrate containing from 10 to 90 wt. % of the polyolefin, and
- subsequently blending the concentrate with at least one additional material to produce a final product, wherein the amorphous syndiotactic rich polyolefin comprises:
- greater than about 50 wt % C3-C40 alpha olefins;
- about 50% to less than about 80% r dyads, based on the total number of r and m dyads present in the polyolefin;
- at least about 6.25% r pentads to about 31.6% r-pentads, based on the total number of r and m-pentads present in the polymer;
- a heat of fusion of 10 joules/g or less;
- and
- an ash content of 1 wt % or less, wherein the amorphous syndiotactic rich polyolefin has no discernable crystallization point (Tc).
A method to produce a functionalized amorphous syndiotactic rich polyolefin comprising the steps of:
- A. providing an olefin monomer, metallocene catalyst, and an activator to a reactor in an aliphatic solvent;
- B. catalytic solution polymerization of said olefin monomer in said reactor to produce an amorphous syndiotactic rich polyolefin;
- C. monomer stripping to remove unreacted olefin monomer;
- D. solvent based functionalization;
- comprising combining said amorphous syndiotactic rich polyolefin with a functional group and with a free radical initiator in said aliphatic solvent, at a temperature and for a period of time sufficient to produce said functionalized amorphous syndiotactic rich polyolefin;
- and optionally
- E. removal of said aliphatic solvent,
- wherein the amorphous syndiotactic rich polyolefin comprises greater than about 50 wt % C3-C40 alpha olefins;
- at least about 6.25% r pantads to about 31.6% r-pentads, based on the total number of r and m-pentads present in the polymer;
- about 50% to less than about 80% r dyads, based on the total number of r and m dyads present in the polyolefin;
- a heat of fusion of 10 joules/g or less, and
- an ash content of 1 wt % or less, wherein the amorphous syndiotactic rich polyolefin has no discernable crystallization point (Tc).
A method to produce a functionalized amorphous syndiotactic rich polyolefin comprising the steps of:
- A. providing a melt comprising an amorphous syndiotactic rich polyolefin, a functional group, and a free radical initiator to a mixing device;
- B. contacting said melt within said mixing device at a temperature and for a period of time sufficient to produce said functionalized amorphous syndiotactic rich polyolefin, wherein the amorphous syndiotactic rich polyolefin comprises greater than about 50 wt % C3-C40 alpha olefins;
- about 50% to less than about 80% r dyads, based on the total number of r and m dyads present in the polyolefin;
- at least about 6.25% r pentads to about 31.6% r-pentads, based on the total number of r and m-pentads present in the polymer;
- and
- a heat of fusion of 10 joules/g or less, and
- an ash content of 1 wt % or less, wherein the amorphous syndiotactic rich polyolefin has no discernable crystallization point (Tc).
An amorphous syndiotactic rich polyolefin comprising greater than about 50 wt % C3-C40 alpha olefins and having:
- about 50% to less than about 80% r dyads, based on the total number of r and m dyads present in the polymer;
- at least about 13.0% r pentads to about 31.6% r-pentads, based on the total number of r and m-pentads present in the polymer;
- a heat of fusion of 10 joules/g or less;
- and
- an ash content of 1 wt % or less, wherein the amorphous syndiotactic rich polyolefin has no discernable crystallization temperature (Tc).
An amorphous syndiotactic rich polyolefin that has been functionalized with a functional group;
- wherein prior to being functionalized, the amorphous syndiotactic rich polyolefin comprises:
- greater than about 50 wt % C3-C40 alpha olefins
- about 50% to less than about 80% r dyads, based on the total number of r and m dyads present in the polymer;
- at least about 13.0% r pentads to about 31.6% r-pentads, based on the total number of r and m-pentads present in the polymer;
- a heat of fusion of 10 joules/g or less according to the procedure described in ASTM E 794-85;
- and
- an ash content of 1 wt % or less, wherein the amorphous syndiotactic rich polyolefin has no discernable crystallization temperature (Tc).
Dependencies are inferred from the claim text.