WO2005003229A1 - 変性ポリプロピレンの乳化組成物 - Google Patents
変性ポリプロピレンの乳化組成物 Download PDFInfo
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- WO2005003229A1 WO2005003229A1 PCT/JP2004/009708 JP2004009708W WO2005003229A1 WO 2005003229 A1 WO2005003229 A1 WO 2005003229A1 JP 2004009708 W JP2004009708 W JP 2004009708W WO 2005003229 A1 WO2005003229 A1 WO 2005003229A1
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- polypropylene
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- modified polypropylene
- emulsified
- zrcl
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
- C08F255/02—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having two or three carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/44—Preparation of metal salts or ammonium salts
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2438/00—Living radical polymerisation
Definitions
- the present invention relates to an emulsified composition of a modified polypropylene, and more particularly, to a modified polypropylene having a very high solubility in a solvent and being easily emulsified, whereby the emulsification stability is remarkably improved. It relates to an emulsion composition.
- modified polypropylene as a surface modifier, primer, coating material, ink, adhesive, compatibilizer, and intermediate material for these materials has been actively studied. There is a need for a stable polymer solution.
- Patent Document 1 Japanese Patent Application Laid-Open No. 1-256556 (Claims)
- Patent Document 2 Japanese Patent Application Laid-Open No. 6-80844 (Claims)
- an object of the present invention is to use a modified polypropylene which has a very high solubility in a solvent and can be easily emulsified, whereby the emulsion stability can be remarkably improved. It is to provide a composition.
- modified polypropylene obtained by introducing a specific amount of a hydrophilic functional group into a polypropylene having a racemic dyad fraction [ r ] in a specific range.
- a specific amount of a hydrophilic functional group into a polypropylene having a racemic dyad fraction [ r ] in a specific range.
- An emulsified composition of modified polypropylene characterized by having an average of 0.5 or more hydrophilic functional groups per molecular chain is provided.
- the emulsion composition of the first invention wherein the solubility of the polypropylene in toluene at ordinary temperature is 5 g or more is a soluble polypropylene. Is provided.
- Preferred embodiments of the present invention include the following.
- modified polypropylene according to the first aspect of the present invention wherein the modified polypropylene has at least one hydrophilic functional group on average per one molecular chain of polypropylene.
- Emulsified composition Emulsified composition.
- emulsion composition is a modified polypropylene.
- 3 is at least one selected from the group consisting of S ⁇ M (M is an alkali metal).
- the present invention is characterized in that a modified polypropylene obtained by a radical reaction between a polypropylene polymerized using a metal complex catalyst and a modifier monomer having a hydrophilic functional group is dispersed in water and emulsified.
- a modified polypropylene obtained by copolymerizing propylene and a modifier monomer having a hydrophilic functional group protected with a protecting group with a metal complex catalyst is dispersed in water and emulsified.
- a method for producing an emulsified composition of the modified polypropylene according to the first or second invention of the present invention is produced.
- Adhesive, ink, paint, primer, sealing agent, surface modifier, coating agent, or adhesive comprising the modified polypropylene emulsion composition according to the first or second invention.
- the emulsified composition of the modified polypropylene of the present invention uses a modified polypropylene having an average of 0.5 or more hydrophilic functional groups in a polypropylene having a racemic dyad fraction [r] in a specific range. Even if the polypropylene solution has a high concentration, it can be easily emulsified. As a result, the solvent can be easily distilled off after emulsification, and the emulsified composition can be efficiently produced.
- the method for producing the polypropylene serving as the base of the modified polypropylene is not particularly limited as long as the racemic dyad fraction [r] of the polypropylene falls within the range of 0.12-0.88.
- it is produced by polymerizing propylene in a solvent such as benzene, toluene, xylene, butane, pentane, hexane, cyclohexane, heptane, ethylcyclohexane, and THF using a homogeneous metal complex catalyst. .
- the homogeneous metal complex catalyst is a catalyst composed of an organometallic compound and an organoaluminum compound, and is composed of an organic compound containing a hetero atom such as oxygen and nitrogen and a transition metal.
- Metal complex for example,
- a catalyst comprising a compound,
- a catalyst comprising a complex having two halogens or alkyl groups with two cycloalkadienyl groups or derivatives thereof of a metal selected from the group consisting of titanium, zirconium, and hafnium, and an aluminoxane, a boron compound or an organoaluminum compound,
- nickel nickel, a diimine complex such as noradium, and a catalyst comprising an aluminoxane,
- a catalyst comprising at least one complex selected from the group consisting of an alkoxy complex of Ti, Zr and Hf, an alkylamide complex and an acetylacetone complex, and an aluminoxane, a boron compound or an organoaluminum compound.
- examples of the vanadium complex include the catalysts described in Makromol. Chem. 180, 57_64 (1979).
- vanadium compounds having a ligand such as alkyl imide or aryl imide as in the general formulas (1) and (2) can also be mentioned.
- organoaluminum compound examples include dimethylaluminum chloride, getyl anolemminium chloride, getyl aluminum bromide, getyl aluminum iodide, diisobutylaluminum chloride, ethylethyl sesquichloride, ethylethyl dimethyldichloride, and isobutylaluminum.
- Alkylaluminum halides such as dichloride; and aluminoxanes such as methylaluminoxane.
- X is F, Cl, Br, a hydrocarbon group having 1 to 10 carbon atoms, or carbon number.
- R 1 R 3 each represent an alkyl group having 1 to 4 carbon atoms.
- X is F, Cl, Br, or a hydrocarbon group having 1 to 10 carbon atoms, or 11 to 11 carbon atoms.
- R represents an alkyl group having 14 carbon atoms
- the amount of the above components are propylene per mole of vanadium complex 1 X 10- 5 0. 1 mode Honoré, preferably 1 X 10- 4 - a 5 X 10- 2 mole, the organoaluminum compound is 1 X 10 — 4 —
- 0.1 Monore preferably ⁇ or 5 X 10- 3 - is 0.05 Monore.
- An electron donor may be added to the catalyst (i), if necessary.
- the electron donor include alcohols, phenols, ketones, aldehydes, carboxylic acids, and malonic acids.
- oxygen-containing electron donors such as esters of acids, organic acids and inorganic acids, monoethers, diethers and polyethers, and nitrogen-containing electron donors such as ammonia, amines, nitriles and isocyanates.
- the amount of the electron donor used is 0.01 to 20 monoles per one vanadium complex.
- the polymerization reaction is carried out at a temperature of -100-100 ° C for 0.5-50 hours, preferably at -90 50 ° C for 110 hours, and more preferably at -80 30 ° C for 115 hours.
- the molecular weight, molecular weight distribution, and yield of the obtained polypropylene can be adjusted by controlling the reaction temperature and the reaction time.
- a compound having one cycloalkadienyl group or a derivative thereof of a metal selected from the group consisting of titanium, zirconium, and hafnium and at least one alkoxy group or alkylamino group examples thereof include compounds represented by general formulas (3) and (5).
- compounds represented by the general formula (3) include CpTi (OMe), CpTi (OEt) ⁇ CpTi (O'iPr), CpTi (O'tBu), CpTi (OCH), CpTi
- Compounds represented by the general formula (5) include MeNSiMe (Flu) TiCl, tBuNSiMe (Fl
- M represents any one of Ti, Zr, and Hf;
- X, Y, and ⁇ represent a halogen selected from F, Cl, Br, or I;
- R 1 — R 3 may be a C aromatic hydrocarbon group or an alkoxy group thereof,
- X, ⁇ , ⁇ may be the same or different at the same time.
- Examples of the aluminoxanes include methinoleanoreminoxane, ethylaluminoxane, isobutylaluminoxane, and purified aluminoxane from which unreacted aluminum compounds in these aluminoxanes are removed.
- a boron compound such as triphenylborane, trispentafluorophenylborane, triphenylmethyltrispentafluoroborate alone or an organic aluminum compound such as trialkylaluminumalkylaluminum halide is used. Can be used.
- organic aluminum compounds such as dimethylaluminum chloride, getylaluminum chloride, getylaluminum bromide, diisobutylaluminum chloride, and dioctylaluminum chloride can also be used.
- the amount of the titanium, zirconium, hafnium power, the group power, and the amount of the compound having one cycloalkadienyl group or a derivative thereof and at least one alkoxy group or alkylamino group of the selected metal is as follows: propylene per mole, 1 X 10- 8 - 0. 1 mol, rather preferably is 1 X 10 one 5 X 10 moles, aluminoxanes, boron compounds or organoaluminum Yuumui ⁇ product force SIX 10 0. 1 Monore, preferably from 1 ⁇ 10- 7 0. 05 Monore.
- the polymerization reaction is carried out at a temperature of 50-200 ° C for 0.5-100 hours, preferably 0-150. At C: 1, 50 hours.
- Titanium, zirconium and hafnium powers of the above (iii) Complexes having two cycloalkadienyl groups or derivatives of the selected metal and a halogen or alkyl group, and aluminoxane, boron compound or organoaluminum compound
- the complex may be obtained by crosslinking two cycloalkadienyl groups or derivatives thereof, or by crosslinking or not.
- non-crosslinkable meta-mouth compound examples include compounds represented by general formulas (6) and (8).
- R 1 is a hydrogen atom or a substituent of an aliphatic, aromatic or alicyclic hydrocarbon group having 18 carbon atoms, or SiR (R is 1
- X represents an alkyl group, an aromatic group, or an alicyclic substituent, which may be the same or different at the same time), X represents a halogen, an aliphatic hydrocarbon group having 18 carbon atoms, And an aromatic hydrocarbon group having 6 to 10 carbon atoms.
- M is any metal of Ti, Zr, and Hf. n represents an integer of 1 to 3.
- the phenyl group of the indenyl group or the fluorenyl group of the general formulas (7) to (8) may have a substituent, but a single-bridged cyclopentagenenyl or fluorenyl or a derivative thereof may also have a substituent.
- Compounds having a ligand such as cross-linked bisindenyl or a derivative thereof have been developed for the production of polypropylene with high crystallinity. Therefore, sufficient effects can be expected even when used in the present invention. I can't do it.
- the non-crosslinked meta-mouth compound represented by the general formulas (6) to (8) is a substituted product in which each cyclopentagenenyl group is substituted with 114 substituents, preferably It is a substituted product substituted with 13 substituents. It is not preferable to use one having no substituent or a substituent having five substituents, since only atactic polypropylene can be obtained.
- each cyclopentagenenyl group has one substituent
- substituents include, for example, (methylcyclopentagenenyl) ZrCl, (methylcyclopentagenenyl) ZrBr
- Pentagenenyl Hf (methyl), (Isopropyl cyclopentagenenyl) HfCl, (iso
- Pentagenenyl Hf (phenyl), (cyclohexylcyclopentagenenyl) HfCl,
- disubstituted compound in which the cyclopentagenenyl group has two substituents include, for example, (dimethylcyclopentagenenyl) ZrCl, (dimethylcyclopentagenenyl) ZrBr, (
- HfCl (dimethylcyclopentagenenyl) HfBr, (methylethylcyclopentadiene)
- Pentagenenyl) TiBr (methylethylcyclopentagenenyl) Til, (methyl propyl)
- each cyclopentagenenyl group has 3 or 4 substituents
- substituents include (trimethylcyclopentagenenyl) ZrCl, (indenylmethyl) ZrCl
- Examples of the mono-bridged meta-acene compound include a compound represented by the general formula (9).
- R 4 represents a divalent aromatic or alicyclic, aliphatic hydrocarbon group, and / or a divalent oxygen-containing group, a divalent nitrogen-containing group
- R 5 — R 8 represent a hydrogen atom or a carbon atom having 1-18 carbon atoms, respectively.
- at least one of R 5 R 8 of both cyclopentadiene rings is a hydrogen atom.
- X represents a halogen, an aliphatic hydrocarbon group having 18 to 18 carbon atoms, or an aromatic hydrocarbon group having 610 carbon atoms.
- M is any one of Ti, Zr, and Hf.
- mono-bridged meta-acene compound examples include, for example, CH CH (methylcyclopentene).
- Butylcyclopentagenenyl Ti (methyl), (CH) Si (s-butylcyclopentadienyl)
- Pentagenenyl Ti (methyl), (CH 2) Si (diprovircyclopentagenenyl) Ti (methyl), (CH 2) Si (diprovircyclopentagenenyl) Ti (methyl), (CH 2) Si (diprovircyclopentagenenyl) Ti (methyl), (CH 2) Si (diprovircyclopentagenenyl) Ti (methyl), (CH 2) Si (diprovircyclopentagenenyl) Ti (methyl), (CH 2) Si (diprovircyclopentagenenyl) Ti (methyl), (CH 2) Si (diprovircyclopentagenenyl) Ti (methyl), (CH 2) Si (diprovircyclopentagenenyl) Ti (methyl), (CH 2) Si (diprovircyclopentagenenyl) Ti (methyl), (CH 2) Si (diprovircyclopentagenenyl) Ti (methyl), (CH 2) Si (diprovircyclopentagenenyl) Ti (methyl), (CH 2) Si (diprovircyclopentagenenyl) Ti (
- Examples of the di-bridged meta-acene compound include a compound represented by the general formula (10).
- R 1 to R 3 each represent H or an aliphatic hydrocarbon group having 118 carbon atoms.
- X represents a halogen, an aliphatic hydrocarbon group having 18 to 18 carbon atoms, or an aromatic hydrocarbon group having 6 to 10 carbon atoms.
- M is any one of Ti, Zr, and Hf.
- R 1 -R 3 may be the same or different at the same time.
- Specific examples of the di-bridged meta-acene compound include, for example, compounds described in J. Am. Chem. Soc., Vol. 121, No. 3, 565 (1999).
- the aluminoxane the boron compound and the organoaluminum compound, those described in (i) and (ii) can be used.
- the amount of the above components are propylene per mole meth port Sen compound 5. 0X 10- 7 - 5.
- organic aluminized compound is 1 ⁇ 0X10- 5 - 5 ⁇ 0 mol, preferably 1 ⁇ 0 ⁇ 10- 3 -0 ⁇ 1 Is a mole.
- the polymerization reaction is carried out at a temperature of -50 to 200 ° C for 0.1 to 100 hours, preferably at a temperature of 0 to 150 ° C.
- examples of the diimine complex such as nickel or palladium include compounds represented by general formulas (11)-(14): And the like.
- the aluminoxanes include, for example, methinoleanoreminoxane, ethylethylaluminoxane, butylaluminoxane and the like. [0052] [Formula 9]
- X represents C or methyl (Me); R represents methyl (Me) or isoprene pill (iPr); It may be different.
- X represents C or methyl (Me); R represents methyl (Me) or isoprene pill (iPr); It may be different.
- nickel the amount of diimine complexes of palladium or the like, propylene per mole, 1 X 10 10 - 1 mol, preferably 5X10- 6 - 5X10- 2 mole and aluminoxanes IX 10 one 0.1 Monore Preferably, it is 5 ⁇ 10—4—0.05 monoles.
- the polymerization reaction is carried out at a temperature of -100 to 90 ° C for 0.5 to 100 hours, preferably at -50 to 50 ° C for 115 hours.
- the catalyst (V) at least one complex selected from the group consisting of an alkoxy complex of Ti, Zr, and Hf, an alkylamide complex, and an acetylacetone complex, and an aluminoxane, a hydrogen compound, or an organoaluminum compound
- the catalyst comprising are compounds represented by the following general formulas (15) to (20).
- M represents Ti, Zr, Hf.
- X represents F, Cl, Br, I.
- R represents a hydrocarbon group having 1 one 10 carbon atoms
- R 4 is a divalent aromatic or alicyclic, aliphatic hydrocarbon group, and / or a divalent oxygen containing groups
- divalent nitrogen-containing groups Represents a divalent group containing a different element such as oxygen, nitrogen and silicon other than C and H, such as a divalent silicon-containing group
- R 5 represents a monovalent aromatic or alicyclic or aliphatic group. Represents a hydrocarbon group.
- acac is an acetylacetone ligand, a methylbutanedione ligand, a butanedione ligand, a benzoylacetone ligand, a benzoyltrifluoroacetone ligand, a dibenzoylmethane ligand, floyl Acetone ligand, trifluoroacetylacetone ligand, 3-phenylacetylacetone ligand, 2,4-hexanedione ligand, trifluorodimethyl-2,4-hexanedione ligand, etc. Represents a is an integer of 24.
- hydrocarbon group R 4 is, -CH - divalent saturated hydrocarbon group such as, - n 2n
- Divalent aliphatic unsaturated hydrocarbon group such as C H mono- or mono-C H —, cycloC n 2n-2 n 2n— 4 m
- Examples include divalent alicyclic hydrocarbon groups such as H- and divalent hydrocarbon groups containing an aromatic ring.
- n is an integer of 110, preferably 2-5
- m is an integer of 5-15, preferably 8-12.
- R 4 is _ (CH) O (CH)-,-(CH
- Divalent saturated hydrocarbon groups such as 2n2n are preferred.
- Specific compounds of the compound include Ti (OC H), Ti (On-C H), Ti ( ⁇ i—C H),
- Ti On-C H, Ti (Oi-C H), Ti ( ⁇ s—C H), Ti ( ⁇ t—C H), Ti (OcycloC
- H Hf (OcycloC H), Hf (OC H), Hf (OC H) CI, Hf (Oi_C H) CI
- Hf (On-C H) Br Hf (On-C H) CI
- Hf ( ⁇ i_C H) Br Hf (Os-C H)
- Hf (Floylacetonato) Br
- Hf Trifluoroacetylacetonato Br
- Hf To 2,4_
- aluminoxanes boron compounds and organoaluminum compounds, those exemplified in the above (i) and (ii) can be used.
- the amount of the component a propylene amount per mole of metal complex 1 X - 0.5 Mo Honoré, preferably 1 X 10- 4 0.1 mol, aluminoxanes, boron compound or an organic aluminum compound 1 X 10- 6 0.5 Monore, preferably 1 X 10- 5 0.1 mol.
- the polymerization reaction is carried out at a temperature of -100 to 100 ° C for 0.5 to 50 hours, preferably at 180 to 80 ° C for 110 to 30 hours.
- the polypropylene serving as the base of the modified polypropylene is a catalyst that can be produced using the above-mentioned catalyst, preferably (i) one (iii), and particularly preferably (i) a catalyst. Can be manufactured.
- a catalyst When one (v) catalyst is used, hydrogen, getyl zinc, and a compound having a Si—H bond can be added as a molecular weight regulator.
- the catalyst of (V) can be used by being supported on a carrier such as silica, alumina, zirconia, or titania.
- a polypropylene having a racemic dyad fraction [r] in the range of 0.12-0.88 can be produced by the above-mentioned catalysts and conditions.
- the racemic dyad fraction [r] of polypropylene is preferably 0.51-0.88, particularly preferably 0.55-0.84. If the racemic dyad fraction [r] is less than 0.12, high thermal stability cannot be obtained, while if it exceeds 0.88, the solubility in organic solvents becomes poor. If the racemic diad fraction [ r ] is in the range of 0.12-0.88, it can be said that the polypropylene has high thermal stability, that is, excellent heat resistance, and has extremely high solubility in polar solvents.
- racemic dyad fraction [ri defined in the present invention is a method well known to those skilled in the art, ie, 13 C— The value obtained from the peak intensity due to the stereoregularity structure measured by NMR is used.
- the polypropylene according to the present invention has a racemic dyad fraction [r] of 0.1 measured by 13 C-NMR.
- Orefin or Jiore may be a copolymer of the fin.
- Hyolefin is preferably one having 418 carbon atoms
- diolefin is preferably one having 414 carbon atoms.
- hyolephine includes 1-butene, 1-hexene, 4-methyl-1_pentene, etc.
- diolephine includes butadiene, 1,5-hexagen, and 1,7-octadiene. , 1, 9-decadiene and the like.
- a propylene homopolymer is preferred.
- the weight average molecular weight (Mw) of the polypropylene according to the present invention is preferably 2,000 to 400,000, particularly preferably 5,000 to 250,000.
- the molecular weight distribution (MwZMn) is 1.01 to 3.00, preferably 1.1 to 2.5.
- the polypropylene obtained by the above method is, for example, a saturated aliphatic hydrocarbon such as pentane, hexane or heptane, a saturated alicyclic hydrocarbon such as cyclohexane or cyclopentane, or benzene, toluene or xylene. It is soluble in aromatic hydrocarbons, and preferably has a solubility in toluene at room temperature of 5 g or more, more preferably 10 g or more and 100 g or less, and particularly preferably 15 g or more and 50 g or less.
- the solubility of polypropylene in tonolene at ordinary temperature is the number of grams of polypropylene as a solute dissolved in 100 g of tonolene as a solvent. To determine this solubility, generally an excess of solute is added to the solvent at room temperature (25 ° C) and dissolved until it is completely saturated. Next, accurately measure a certain amount of this solution, completely remove the solvent, and measure the rest. Then, the number of grams of solute polypropylene in 100 g of tonoleene as a solvent is determined.
- the method for producing the modified polypropylene is not particularly limited as long as a modified polypropylene having an average of 0.5 or more hydrophilic functional groups per one molecular chain of the polypropylene of the base polymer can be obtained.
- the base polypropylene can be in solution or dried It may be denatured.
- a method of introducing a hydrophilic functional group into a polymer chain terminal by living polymerization of propylene (2) a method of introducing a hydrophilic functional group by radically modifying polypropylene, (3) A method of copolymerizing propylene with a modifier monomer in which a hydrophilic functional group is protected with a protecting group, and any of these methods or a combination thereof can be used.
- the modifier itself cannot impart hydrophilicity to the polypropylene, it can be converted to a hydrophilic functional group by vulcanization or sulfonation after the reaction.
- the modifier is a compound having a hydrophilic functional group, and one or more selected from (meth) acrylic acid, a derivative of (meth) atalinoleic acid, a nitrile compound, and a styrene derivative are used. You can.
- Examples of (meth) acrylic acid and derivatives of (meth) acrylic acid include the following.
- Alkali metal salts of (meth) acrylic acid such as sodium acrylate, potassium acrylate, lithium acrylate, sodium methacrylate, potassium methacrylate, lithium methacrylate; chloride chloride, bromide acrylate Halides of (meth) atalylic acid such as ⁇ -chloro-methyl acrylate, methacrylic acid chloride, methacryloleic acid butyl ester, ⁇ -chloro-methyl methacrylate; acrylamide, ⁇ ⁇ ⁇ -methylacrylamide, ⁇ -isopropyl acryl Amides, ⁇ , ⁇ -dimethylacrylamide, ⁇ , ⁇ -diisopropylacrylamide, methacryloleamide, ⁇ , ⁇ -dimethylmethacrylamide, ⁇ , ⁇ -diisopropylmethacrylamide, ⁇ , ⁇ -dimethylaminoethyl acrylate, ⁇ , ⁇ —Dimethyl Minoethyl methacryl
- acrylic acid, methacryloleic acid, or their (OH) or alkoxy group-containing (meth) acrylic acid derivatives are preferred.
- nitrile-based compound and styrene derivative examples include the following: nitrile compounds such as acrylonitrile and methacrylonitrile; sodium vinyl sulfonate, potassium potassium vinyl sulfonate, and vinyl Lithium sulfonate, vinylpyridine, N-vinylpyridine, butylpyrrolidone, acrolein, butyl acetate (emulsion), vinole propionate (emulsion), butyl butyrate (emulsion), burtrimethylsilane, burtriethoxysilane And styrene derivatives such as hydroxy styrene, amino styrene, butyl benzoic acid, cyano styrene, nitro styrene, and acetyl styrene. Among these compounds, there are styrene derivatives. But Particularly preferred.
- Examples of the modifier having a hydrophilic functional group include, in addition to the above, sulfonic acid compounds and phosphorus Acid compounds, thiol compounds and the like can also be used.
- Examples of the sulfonic acid-based compound include 3-attaryloyloxypropanesulfonic acid, 2_ (2_ (2-atalyloyloxyethoxy) ethoxy) propane-1-sulfonic acid, and 3_ (2- (2- (4-vierphenyl). )) Ethoxy) ethoxy) propane-11-sulfonic acid and p-styrenesulfonic acid.
- Examples of the phosphoric acid compound include 4_ (2- (2- (2-atalylyloxyethoxy) ethoxy) ethoxybutan-l-l_phosphate ester.
- Examples of the thiol-based compound include 2_ (2- (2-atalyloyloxyethoxy) ethoxy) propane-1-thiol, 4- (2- (2- (4-isopropyjurpheninole) ethoxy) ethoxy) ethoxy. ) Butane _1-thiol, 3- (2- (2- (4-butylphenyl) ethoxy) ethoxy) propane- 1-thiol, 3- (2- (2- (4-isopropenylphenyl) ethoxy) ethoxy) propane — Examples thereof include alkenyl thiols such as 1-thiol.
- the modifier containing active hydrogen is preferably previously complexed with a complexing agent, for example, an organoaluminum compound.
- organoaluminum compound examples include trimethylaluminum, triethylaluminum, tripropylaluminum, triisopropylaluminum, tributylaluminum, triisobutylaluminum, dimethylaluminum chloride, getylaluminum chloride, diisobutylaluminum chloride, bis (2 , 6-Gy tBu-phenoxy) methylaluminum and the like.
- the molar ratio between the complexing agent and the modifier having active hydrogen is determined by the number of hydrogens possessed by the modifier.
- the number of active hydrogens held is 1 when the substituent is, for example, OH, COOH, or NH (C H), and 2 when the substituent is NH or P ⁇ H.
- the molar ratio between the complexing agent and the modifier is
- the number of active hydrogen is 0.3 times or more, preferably 1.01 to 10 times, and more preferably 1.1 to 13 times.
- an inert and liquid solvent as a reaction solvent.
- Saturated aliphatic hydrocarbons such as propane, butane, pentane, hexane and heptane; and saturated aliphatic hydrocarbons such as cyclopropane and cyclohexane Alicyclic hydrocarbons; aromatic hydrocarbons such as benzene, toluene, and xylene are used.
- the complexation reaction is performed at a temperature of -100 to 100 ° C for 1 minute to 10 hours, preferably at -90 to 50 ° C for 2 minutes to 5 hours, and more preferably at -80 to 30 ° C for 5 minutes to 3 hours. It can be carried out.
- the modifier may be charged at once or may be divided and supplied in plural times. Usually, one type of denaturing agent is used, but two or more types may be used. In this case, two or more types of modifiers may be mixed beforehand and reacted with polypropylene, or may be reacted in two or more stages.
- the denaturation reaction is carried out at a temperature of -100-100 ° C for 0.5-50 hours, preferably at -90 50 ° C for 110 hours, more preferably at -80 30 ° C for 115 hours.
- the modified polypropylene obtained by the above method has a structure in which a modifier is bonded to the terminal of the polypropylene main chain at an average of 0.5 or more, preferably 1 or more.
- a hydrophilic functional group is introduced by reacting a modifying agent with polypropylene as a base polymer in the presence of a radical reaction initiator.
- Radical modification of polypropylene with a modifying agent includes a method of dissolving polypropylene in an appropriate solvent and then carrying out radical modification, and a method of carrying out radical modification of polypropylene in a kneader. There are no particular restrictions on the order in which the modifier and the radical reaction initiator are added.
- the modifying agent described in (1) can be used.
- Hexadiene such as butanedicarboxylic acids, otatendicarboxylic acids, nonenedicarboxylic acids, decenedicarboxylic acids and derivatives thereof, butanedicarboxylic acids such as propanedienecarboxylic acid and burfumaric acid, pentadienedicarboxylic acids and buturmaleic acid Dicarboxylic acids, hebutadiene dicarboxylic acids, octadiene dicarboxylic acids, nonadiene dicarboxylic acids, decadiendicarboxylic acids, tetrahydrophthalic acid Cyclohexenedicarboxylic acids such as acid, tetrahydroisophthalic acid and tetrahydroterephthalic acid and derivatives thereof, cyclopentenedicarboxylic acids, cycloheptenedicarboxylic acids, cyclootatenedicarboxylic acids, cyclononenedicarboxylic acids,
- radical reaction initiator an azo compound or an organic peroxide is used. Any of those generally used as an initiator in radical polymerization can be used.
- radical reaction initiator examples include azo compounds such as azobisisobutyronitrile; ketone peroxides such as 1,1-bis-tert-butylperoxy-1,3,3,5-trimethylcyclohexane; and dicumyl.
- Dialkyl peroxides such as peroxides, 2,5-dihexane monohydroxides such as 2,5-dihydrido peroxides, dialkyl peroxides such as benzoyl peroxide, and 2,5-dimethyl peroxide Peroxesters such as 2,5-dibenzoylperoxy hexane, 2,5-dimethinolane 2,5-di_t_butylperoxy hexane, diphenylbutanes such as 2,3-dimethynolee 2,3-diphenylbutane, t Monobutyl peroxy-1-ethylhexanoate can be exemplified.
- the amount of the radical reaction initiator to be added is preferably 0.05 to 50% by weight, more preferably 0.1 to 30% by weight, more preferably 110 to 10% by weight, based on polypropylene.
- the denaturation reaction is carried out in a temperature range of 50-200 ° C, preferably -30-180 ° C. If the temperature is lower than -50 ° C, the reaction rate is slow. Particularly preferably, the denaturation reaction is performed in a temperature range of 0 ° C. to 150 ° C. using a hydrocarbon solvent. During the denaturation reaction, the reaction temperature may be maintained at the same temperature or may be changed.
- the reaction time is 1 minute or more, preferably 5 minutes to 10 hours, particularly preferably 10 minutes to 5 hours. As the reaction time is longer, the amount of the modifier introduced into the polypropylene is improved.
- the modifier may be charged at once or may be divided and supplied in plural times. Usually one denaturant However, two or more kinds can be used. In this case, two or more types of modifiers may be mixed beforehand and reacted with polypropylene, or may be reacted in two or more stages.
- Modifiers in this method are carboxylic acid compounds, sulfonic acid compounds, thiol compounds, phosphoric acid compounds and the following alcohol compounds described in (1).
- This is a method of imparting a functional group to the polypropylene main chain by protecting with the same method as in (1) and copolymerizing with propylene.
- Alcohol compounds include, for example, 2_ (2-attaryloyloxyethoxy) ethanol, 2-hydroxyethyl acrylate, 3-hydroxypropyl acrylate, 4-hydroxybutyl acrylate, 2-hydroxybutyl methacrylate Alcohol (including H group) compounds such as ethyl, _3-hydroxypropyl methacrylate, 3- (2- (4-butylphenyl) ethoxy) propanol, 4-hydroxystyrene, and 4-isopropenylphenol.
- Alkenyl alcohols and alkadienyl alcohols, which are saturated alcohols, can also be used.
- alkenyl alcohol examples include pentenols such as 3-buten-1-ol; 4-penten-1-ol and 4-penten-2-ol; 5-hexene-1-ol and 5_ Hexenols such as hexen-2_ol, 5-hexen-3_ol, etc .; 6_heptene_1_ornole, 6_heptene_2_ol, 6_hepten_3_ol, and 1-heptene_4_ol Heptenols such as 4-methinole 6-hepten-1-ol and 5-methyl-6-hepten-1-ol; 7-otaten 1-1-ol, 7-otaten 1-2-ol, 7-otaten 1 Otatesols such as 3-ol, 7-otaten-l-ol, 5-butyl-7-otaten-l-l-ol; nonols, decenols, pendecenols, pendecenol
- Alkadienyl alcohols include, for example, hexadienenoles such as 1,4_pentagen-3_ol; 2,5-hexadiene-1_ol and 1,5_hexadiene-3_ol, 2 Butadiene_1_ol, 3,6_butadiene_1_ol, 1,6_heptadiene Heptogenols such as tagen-3-ol, 3,6-heptadien-1-ol, 4-methyl-1,6-heptagen-3-ol, 5-ethyl-1,6-heptadien-3-ol; 2, 7-octacten-1-ol, 3,7-octacten-1-ol, 3,7-octacten_2-honole, 4,7-octacten_1-honole, 4,7-octacten_2-honole, 1, ⁇ —octacten _3_ ol, 5-butynole-1,7-
- a modified polypropylene having 0.5 or more, preferably 1 or more hydrophilic functional groups introduced on average is produced.
- a part of the modifier can be replaced with a compound having no hydrophilic functional group.
- two or more types of modifiers may be mixed beforehand and reacted with polypropylene, or may be reacted in two or more stages.
- the resulting modified polypropylene can be used as it is as a raw material of the emulsified composition. Use it after removing unreacted modifiers and by-product modifier derivatives (oligomers and polymers of modifiers). Can be.
- this modified polypropylene was not observed at any of peak positions 770, 842, 870, 998, and 1022 cm- 1 in the IR absorption spectrum (room temperature). These are characteristic peaks derived from the crystalline part of polypropylene, and the absence of these means that the modified polypropylene has no crystalline part.
- this modified polypropylene is derived from the amorphous part of isotactic polypropylene.
- SSScnT 1 derived from the amorphous portion of the syndiotactic polypropylene, and absorption peaks are present in SYYcnT 1.
- IR absorption peaks may be slightly shifted depending on measurement conditions and instruments.
- the intention of the present invention is to obtain an emulsified composition using a specific soluble polypropylene which does not contain crystalline polypropylene which is hardly soluble in an organic solvent.
- the modified polypropylene used in the present invention has improved hydrophilicity of the polypropylene portion, Even a highly concentrated solution having high solubility in a solvent can be emulsified relatively easily. As a result, the solvent can be easily distilled off after emulsification, and the emulsion composition can be easily produced, and the stability is extremely high.
- Water is added to the modified polypropylene thus obtained, emulsification is performed, and the organic solvent is replaced with water, whereby an emulsified composition having excellent properties can be efficiently produced.
- the above-mentioned modified polypropylene is used as a solution having an appropriate concentration.
- a solution having a concentration as high as possible.
- the concentration of the modified polypropylene solution is preferably 15 to 50% by weight, more preferably 15 to 40% by weight, more preferably 20 to 35% by weight, depending on the molecular weight of the modified polypropylene.
- a liquid raw material is referred to as a modified polypropylene solution.
- a modified polypropylene solution is gradually added while stirring the water with a homogenizer.
- the modified polypropylene solution and water may be stirred simultaneously.
- a homogenizer a heat-press type kneader, a homomixer, a colloid mill, or the like can be used. Stirring can be performed at room temperature. Heating to a force of 100 to 200 ° C, preferably 130 to 170 ° C, can further promote the emulsification.
- the amount of water used in the dispersion and emulsification of the modified polypropylene depends on the type of the modified polypropylene, the intended use, the concentration of the modified polypropylene solution, and the like, but is based on the modified polypropylene (weight) in the modified polypropylene solution. 5 to 30 times by weight, preferably 10 to 25 times by weight, particularly preferably 10 to 20 times by weight. After the dispersion and emulsification, the solvent (including water) is distilled off to obtain an emulsion having a predetermined concentration as required.
- a neutralizing agent can be added to the modified polypropylene solution, and as the neutralizing agent, a basic substance, an acidic substance such as hydrochloric acid, sulfuric acid, and nitric acid, and a metallic soap can be used.
- Examples of the basic substance include sodium hydroxide, potassium hydroxide, ammonia, ammonium hydroxide, methinoleamine, ethylamine, propylamine, ethanolamine, propanolanolamine, diethanolamine, getylamine, and N, N-dimethyl.
- Metallic soaps include calcium stearate, calcium laurate, ricinoleic acid noresinolem, barium stearate, barium laurate, barium ricinoleate, barium naphthenate, zinc stearate, zinc laurate, zinc ricinoleate, tin stearate, stearate And magnesium stearate. Of these, calcium stearate is preferred.
- the added amount of the neutralizing agent is not particularly limited, but is not less than 10%, preferably not less than 20%, more preferably not less than 10% of the total amount of the acidic groups and the basic groups with respect to the hydrophilic groups of the modified polypropylene. It is desirable to add an amount sufficient to neutralize 30% or more.
- a surfactant can also be added to the modified polypropylene solution, and typical examples include a nonionic surfactant, an anionic surfactant, and a cationic surfactant.
- nonionic surfactant examples include polyoxyethylene alkyl phenyl ethers such as polyoxyethylene nouryl phenyl ether, polyoxyethylene alkyl ethers such as polyoxyethylene lauryl ether, and polyoxyethylene alkyl ether.
- Reel ethers polyethylene alkyl esters, sorbitan alkyl esters such as sorbitan monostearate, polyoxyethylene sorbitan alkyl esters such as polyoxyethylene sorbitan monooleate, poly (oxyethylene propylene) block copolymer And the like.
- polyethylene glycol polypropylene glycol, polyatalylate, polymethacrylate, polyaniline, polypyrrole, polyacetylene, polyacrylonitrile, polyglyceride, fatty acid ester glyceride, and the like can be used.
- anionic surfactant examples include higher fatty acids, higher fatty acid salts, sulfates of higher alkyl or higher alcohols (ethers), higher alkyl disulfonates, sulfonated higher fatty acid salts, alkyl aryl polyoxylates.
- Alkyl aryl sulfo such as ethylene sulfate, higher fatty acid sulfate, higher fatty acid ester or higher alcohol ether sulfonate, alkylbenzene sulfonate, etc.
- Examples of the cationic surfactant include an amine salt type and a quaternary ammonium salt type, and further, as the amphoteric surfactant, alkyl betaine, alkyl imidazoline, and the like are used.
- the surfactant is usually used after being dissolved in a solvent.
- a solvent selected from water, an alcohol having 11 to 10 carbon atoms, methylene chloride, and the like is preferable.
- Methyl alcohol, ethyl alcohol, propyl alcohol, a mixed solvent of water and methyl alcohol, and a mixture of water and ethyl alcohol are preferred.
- Mixed solvents are preferred.
- the amount of surfactant added to the surfactant is not particularly limited, but is preferably 20% by weight or less, preferably 15% by weight or less, more preferably 10% by weight or less based on the modified polypropylene solution. Since the modified polypropylene according to the present invention has an extremely good emulsifying property, it is not necessary to add a large amount of a surfactant as in the prior art. For example, the amount of addition of 0.001 to 5% by weight may be sufficient. The addition can be omitted. Therefore, the polymer characteristics of the modified polypropylene as the main component can be fully utilized.
- the modified polypropylene emulsified composition of the present invention is prepared by dissolving in an organic solvent obtained by reacting a polypropylene having a racemic dyad fraction [r] in a specific range with a modifying agent by the above-mentioned method.
- the emulsified composition of the present invention may further contain a dispersing agent, a stabilizer, and the like, depending on the intended use, within a range not to impair the object of the present invention.
- a dispersing agent such as a clarifying agent
- UV absorbers such as a clarifying agent
- foaming agents such as a foaming agent, a silicone oil, and a coloring agent
- nucleating agents One or more kinds of additives such as a clarifying agent
- an antistatic agent, a flame retardant, a foaming agent, a silicone oil, and a coloring agent can be added.
- the emulsified composition containing the modified polypropylene of the present invention can be applied to uses such as paints, surface modifiers, primers, coating inks, adhesives, pressure-sensitive adhesives, or compatibilizers. Particularly preferred applications are paints, surface modifiers, primers, or coatings.
- the molecular weight was measured using GPC (gel permeation chromatography) model 150 manufactured by Waters. Solvent: 0-dichlorobenzene, measuring temperature: 135 ° C, solvent flow rate: 1. Om1 / min.
- the column is made of TSK-GEL GMH_HT manufactured by Tosoh Corporation and used for monodispersed polystyrene.
- a calibration curve for polystyrene was obtained using a ren standard sample, and a calibration curve for polypropylene was prepared using the universal method.
- 13 C_NMR was measured using a Varian model XL-200 equipped with a PFT pulse Fourier transform device, 50 MHz, 120 ° C, noise width 8.2 ⁇ s ⁇ / 3, noiseless f ⁇ P 4 micron, integration count Measured under 5000 conditions.
- the sample was prepared by dissolving it in a mixed solution of trichlorobenzene and benzene (2: 1).
- the amount of the hydrophilic functional group-containing compound introduced into the polypropylene was calculated from the content of the hydrophilic functional group obtained by IR measurement and the number average molecular weight obtained from the GPC curve.
- IR measurement a film-shaped polymer was used using FT / IR-470 manufactured by JASCO Corporation.
- the weight average molecular weight (Mw) was 6000, and the value of Mw / Mn was 1.5. Further, when the stereoregularity of the obtained polymer was analyzed by 13 C-NMR, the value of [r] was 0.79. In addition, the solubility of this polypropylene in tonoleene at room temperature was 15 g or more.
- the oil bath was lowered and immediately 50 ml of room temperature heptane was added.
- the heptane solution was poured into 600 ml of ethanol to precipitate polypropylene, and then the polypropylene was taken out and dissolved in 150 ml of heptane.
- the heptane solution was transferred to a separating funnel, and 50 ml of ethanol was added. The separating funnel was shaken well, allowed to stand, and separated. After this operation was repeated three times, only the heptane layer was collected and sufficiently dried to obtain a polymer.
- the obtained polymer was IR measurement, absorption derived from a carboxylic acid in the vicinity LOcnT 1 was observed. When the amount of methacrylic acid introduced was determined from the absorption intensity, the result was 3.3 s / chain. In addition, 770, 842, 870, 998 , 1022cm- 1 of the crystal ten students port No secondary absorption was observed.
- Propylene was polymerized under the conditions shown in Table 1 in the same manner as in Example 1, and various modifiers were introduced into polypropylene under the conditions shown in Table 3.
- Propylene was polymerized under the conditions shown in Table 1, 10 g of xylene was added to 3 g of the obtained polypropylene, and the mixture was stirred at room temperature with a stirrer until the polypropylene was completely dissolved. Thereafter, nitrogen was bubbled through the xylene solution for 20 minutes.
- the reaction system was heated to 138 ° C using an oil bath under a nitrogen atmosphere. After the temperature in the system reached 138 ° C, atalinoleic acid 2.Og and 0.15 g of t-butylperoxy-2-ethylhexanoate as an initiator of the radical reaction were divided into 5 portions each, and it took 1 hour every 15 minutes And put it in. After completion of the charging, stirring was continued for 4 hours.
- the obtained polymer was subjected to IR measurement and found to have an absorption derived from carboxylic acid at around 1710 cm- 1 Yield was observed.
- the amount of acrylic acid introduced was determined from the absorption intensity, it was found that the amount was 0.6 / chain, which was a clear force.
- absorption due to crystalline polypropylene at 770, 842, 870, 998, and 1022 cm- 1 was not observed.
- the resulting modified polypropylene was dissolved in tonolene, and methanol containing NaOH in an amount sufficient to neutralize 30% of the amount of carboxylic acid determined by IR measurement was added. This solution was emulsified in the same manner as in Example 1. The state of the emulsion immediately after the emulsification was observed, and the stability of the emulsified state was evaluated. The results are shown in Table 5.
- a modified polypropylene was produced in the same manner as in Example 8 except that the conditions in Tables 1 and 2 were changed, neutralized with NH, and then emulsified. Observe the status of the emulsion immediately after emulsification
- the obtained polymer was IR measurement, absorption derived from ester near l YAOcnT 1 was observed. When the amount of methylaminoethyl phthalate introduced was determined from the absorption intensity, it was clear that the number was 1.1 / chain. Also, no absorption due to crystalline polypropylene of 770, 842, 870, 998, 1022 cm- 1 was observed. After denaturation, obtained The modified polypropylene was dissolved in toluene, and methanol containing an equivalent amount of an amino group determined by IR measurement and HC1 was added. This solution was emulsified in the same manner as in Example 1. The state of the emulsion immediately after emulsification was observed, and the stability of the emulsified state was evaluated. The results are shown in Table 5.
- the obtained polymer was dissolved in toluene and emulsified in the same manner as in Example 1.
- the state of the emulsion immediately after milking was observed, and the stability of the emulsified state was evaluated.
- the results are shown in Table 5.
- Propylene was polymerized under the conditions shown in Table 1 in the same manner as in Example 1, and a modifier (acrylic acid) was introduced into polypropylene under the conditions shown in Table 3.
- Example 2 Further, the obtained modified polypropylene was emulsified in the same manner as in Example 1. The state of the emulsified product immediately after emulsification was observed, and the stability of the emulsified state was evaluated. The results are shown in Table 5.
- Propylene was polymerized under the conditions shown in Table 1 in the same manner as in Example 1, and butyl acetate was introduced into polypropylene under the conditions shown in Table 3.
- the obtained butyl acetate-modified polypropylene was dissolved in tonolene, a methanol solution of NaOH was added, and the mixture was reacted at 40 ° C. for 2 hours.
- the polymer solution was dropped into methanol, and the polymer was precipitated and recovered.
- the polymer was dissolved in toluene and emulsified in the same manner as in Example 1. Of the emulsion immediately after emulsification The situation was observed, and the stability of the emulsified state was evaluated. The results are shown in Table 5.
- Propylene was polymerized under the conditions shown in Table 1 in the same manner as in Example 1, and functional groups were introduced into the polypropylene and emulsified under the conditions shown in Table 3 using two types of monomers. The state of the emulsion immediately after emulsification was observed, and the stability of the emulsified state was evaluated. The results are shown in Table 5.
- Toluene was placed in a 2000 ml flask equipped with a stirrer sufficiently purged with nitrogen gas, and cooled to -78 ° C. At the same temperature, lOmol of propylene was added and liquefied and dissolved in toluene. Next, a toluene solution of 125 mmol of Al (i-CH) C1 and a toluene solution of 12.5 mmol of anisole
- the above-prepared organic aluminum complex of hydroxyethyl methacrylate was added to the propylene polymerization system cooled to ⁇ 78 ° C., and the mixture was heated to -60 ° C. and reacted for 3 hours. Was. Thereafter, the reaction solution was put into 5 L of methanol cooled to ⁇ 60 ° C. to precipitate a polymer. The obtained polymer was washed five times with methanol and dried at room temperature.
- the yield of the obtained polymer was 9.6 g.
- the obtained GPC curve was unimodal, the weight average molecular weight Mw was 21,000, and the value of Mw / Mn was 1.1, a value close to monodispersion.
- This IR analysis of this polymer showed a peak near 1740 cm- 1 due to ester absorption.
- the amount of the methacrylic acid derivative to be introduced was determined from the absorption intensity, it was clear that the number was 1.3 per chain.
- no absorption due to crystalline polypropylene at 770, 842, 870, 998, and 1022 cm- 1 was observed.
- This solution was emulsified in the same manner as in Example 1. The state of the emulsion immediately after emulsification was observed, and the stability of the emulsified state was evaluated. The results are shown in Table 5.
- reaction system was kept at 178 ° C. After completion of the dropwise addition, the reaction system was slowly heated to room temperature while stirring.
- the organic aluminum complex of acrylic acid prepared above was added to the propylene polymerization system cooled to -60 ° C, and reacted for 3 hours. Thereafter, the reaction solution was placed in 1 L of methanol cooled to -60 ° C to precipitate a polymer. The obtained polymer was washed five times with methanol and dried at room temperature.
- the yield of the obtained polymer was 42 g.
- the GPC curve was unimodal, the weight average molecular weight Mw was 42000, and the value of Mw / Mn was 1.3.
- the polymer and IR analysis time the absorption peak derived from a carboxylic acid in the vicinity LOcnT 1 was observed. When the amount of acrylic acid introduced was determined from the absorption intensity, it was found that the amount was 6.9 Z chains. Also due to polypropylene crystal parts of 770, 842, 870, 998, and 1022 cm- 1 No absorption was observed.
- This modified polypropylene was emulsified in the same manner as in Example 1.
- the state of the emulsion immediately after the emulsification was observed, and the stability of the emulsified state was evaluated. The results are shown in Table 5.
- the organoaluminum complex of 2,7-year-old octadenyl was prepared.
- An additional 5 mmol of a solution of vanadium trisacetylacetonato in Tonolen was obtained.
- the liquid volume in the system at this time was 1 L.
- Stirring was performed at the same time as the addition of vanadium trisacetyl acetonato to initiate polymerization.
- Propylene was polymerized at one 48 ° C for 2 hours, and then the reaction solution was poured into 2 L of methanol cooled to -60 ° C to precipitate the polymer.
- the obtained polymer was washed with methanol five times and dried at room temperature.
- the yield of the resulting polymer was 6.lg.
- the GPC curve of the obtained polymer was monomodal, the number average molecular weight Mn was 18000, and the value of MwZMn was 1.5.
- Propylene was polymerized under the conditions shown in Table 2 in the same manner as in Example 1, and a functional group introduction reaction was performed on polypropylene under the conditions shown in Table 4, followed by washing with acetone to obtain a modified polypropylene.
- 3 g of the obtained modified polypropylene was dispersed in 27 g of toluene. While stirring 120 g of water at 20000 rpm using a homogenizer, the modified polypropylene dispersion of Tonolene was gradually added, and after the addition was completed, stirring was continued for 3 minutes, and the emulsion was transferred to another container and heated. When 135 g of toluene was distilled off, the distillation was stopped to obtain an emulsion. The state of the emulsion immediately after the emulsification was observed, and the stability of the emulsified state was evaluated. The results are shown in Table 5.
- Propylene was polymerized, modified, and emulsified in the same manner as in Comparative Example 1 except that the conditions in Tables 2 and 4 were used. The state of the emulsion immediately after emulsification was observed, and the stability of the emulsified state was evaluated. The results are shown in Table 5.
- Example 5 After propylene polymerization was performed under the same conditions as in Example 1, treatment was performed under the reaction conditions shown in Table 4 without adding a modifier. Further, the obtained polymer was emulsified in the same manner as in Example 1. The state of the emulsion immediately after emulsification was observed, and the stability of the emulsified state was evaluated. The results are shown in Table 5.
- Propylene was polymerized under the same conditions as in Example 1 and various modifiers were introduced into polypropylene under the conditions shown in Table 4. Further, the obtained modified polypropylene was emulsified in the same manner as in Example 1. The state of the emulsion immediately after the emulsification was observed, and the stability of the emulsified state was evaluated. The results are shown in Table 5.
- the racemic dyad [r] is 0.12-0.88 polypropylene It can be seen that the emulsion of the present invention in which the modified polypropylene having an average of 0.5 or more hydrophilic functional groups introduced therein is dispersed in water has excellent emulsion stability.
- the emulsion composition of the present invention has extremely high stability, it can be used as a paint, a surface modifier, a primer, a coating agent, an ink, an adhesive, a compatibilizer, and an intermediate material thereof,
- the industrial value is extremely large.
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Abstract
Description
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CN1264908C (zh) * | 2002-04-26 | 2006-07-19 | 三菱化学株式会社 | 聚丙烯类水性分散体、聚丙烯类复合水性乳液组合物及其用途 |
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Publication number | Publication date |
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KR101038268B1 (ko) | 2011-06-01 |
CN100410315C (zh) | 2008-08-13 |
JP4666893B2 (ja) | 2011-04-06 |
JP2005029616A (ja) | 2005-02-03 |
EP1642931A4 (en) | 2007-07-25 |
EP1642931B1 (en) | 2011-10-05 |
CN1798802A (zh) | 2006-07-05 |
EP1642931A1 (en) | 2006-04-05 |
KR20060083858A (ko) | 2006-07-21 |
US20070004847A1 (en) | 2007-01-04 |
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