WO2004096877A1 - 後周期遷移金属錯体系の配位重合触媒によるポリオレフィン系グラフト共重合体とその製造方法 - Google Patents
後周期遷移金属錯体系の配位重合触媒によるポリオレフィン系グラフト共重合体とその製造方法 Download PDFInfo
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- WO2004096877A1 WO2004096877A1 PCT/JP2004/005040 JP2004005040W WO2004096877A1 WO 2004096877 A1 WO2004096877 A1 WO 2004096877A1 JP 2004005040 W JP2004005040 W JP 2004005040W WO 2004096877 A1 WO2004096877 A1 WO 2004096877A1
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- polyolefin
- graft copolymer
- transition metal
- silicone
- metal complex
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- 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
- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
- C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
- C08F290/06—Polymers provided for in subclass C08G
- C08F290/068—Polysiloxanes
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- 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
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
Definitions
- the present invention relates to a novel polyolefin-based graft copolymer obtained using a late transition metal complex-based coordination polymerization catalyst, a composition containing the same, and a production method.
- Graft copolymers are characterized by their structural features, such as polymer-based function-imparting agents, surface-function-imparting agents, compatibilizers for polymer blends, and polymer Z-filament-based composite material surface activators. It is effectively used as a conductive polymer.
- a core-shell polymer As a graft copolymer obtained by using emulsion polymerization, a core-shell polymer is well known.
- a core-shell polymer using, for example, gen-based rubber particles, acryl-based rubber particles, and acrylic / silicone-based composite rubber particles.
- ABS resin, ASA resin, MBS resin and the like are commercially available as a resin or a resin composition having high impact resistance.
- these resins are not suitable for low-polarity resins such as polyethylene and polypropylene because of their low dispersibility.
- Ziegler-Natta catalysts and, in recent years, meta-opening catalysts are well known as coordination polymerization catalysts for olefins.Emulsion polymerization is particularly difficult when using such early transition metal compounds because of their low resistance to polar compounds. The system loses its activity.
- the term "resistance” means that the polar compound is hardly coordinated with the complex ⁇ catalytically active species, or hardly loses its activity even if coordinated, or hardly reacts with the polar compound. In other words, it means that it is difficult to decompose.
- An object of the present invention is to solve the above-mentioned disadvantages in graft copolymerization of an olefin monomer and silicone-based particles (hereinafter also referred to as a silicone macromonomer) produced by emulsion polymerization, and to provide a novel polyolefin.
- the purpose of the present invention is to provide a system-based graft copolymer.
- Another object of the present invention is to provide a composition containing such a copolymer and a production method.
- the present invention is characterized in that in the presence of a late transition metal complex-based coordination polymerization catalyst, an olefin monomer is graft-copolymerized with a silicone-based mac mouth monomer produced by emulsion polymerization. It relates to a graft copolymer.
- the late transition metal complex-based coordination polymerization catalyst is a complex comprising a ligand having two imine nitrogens and a transition metal selected from Groups 8 to 10 of the periodic table.
- a polyolefin-based graft copolymer To a polyolefin-based graft copolymer.
- the late transition metal complex-based coordination polymerization catalyst is a complex comprising a 0! -Dimine type ligand and a transition metal selected from Group 10 of the periodic table. And a polyolefin-based graft copolymer.
- the late transition metal complex-based coordination polymerization catalyst is an active species represented by the following general formula (1) or (2) after reacting with the cocatalyst.
- the present invention relates to a polyolefin-based graft copolymer.
- R 4 is each independently a hydrocarbon group having 1 to 4 carbon atoms.
- R 2 and R 3 are each independently a hydrogen atom or a methyl group.
- R 5 is a halogen atom, a hydrogen atom, or an organic group having 1 to 20 carbon atoms
- X is an organic group having a heteroatom which can be coordinated to M, and may be connected to R 5 ; Or X may be absent, L— is any anion.
- R 4 is each independently carbon It is a hydrocarbon group of numbers 1 to 4.
- R 5 is a halogen atom, a hydrogen atom, or an organic group having 1 to 20 carbon atoms.
- X is an organic group having a heteroatom which can be coordinated to M, and may be connected to R 5 , or X may not be present.
- L— is any anonymous.
- the silicone-based macromonomer produced by the emulsion polymerization comprises an organosiloxane, a functional group capable of reacting with the organosiloxane in the molecule, and a carbon-carbon double bond capable of coordination polymerization.
- the present invention relates to a polyolefin-based graft copolymer, which is a silicone-based Mac-mouth monomer obtained by reacting a compound having a bond.
- the present invention relates to a polyolefin-based graft copolymer, wherein the polyolefin in the polyolefin-based graft copolymer has a branched structure.
- the present invention relates to a polyolefin-based graft copolymer, wherein the olefin monomer is ethylene or propylene.
- the present invention relates to a composition containing the polyolefin-based graft copolymer.
- the present invention relates to a composition containing a polyolefin-based graft copolymer, which comprises a polyolefin resin as a component of the composition.
- the present invention relates to a method for producing the polyolefin-based graft copolymer.
- the present invention relates to a method for producing the composition.
- the present invention provides a polyolefin graft copolymer, comprising graft copolymerizing an olefin monomer and a silicone macromonomer produced by emulsion polymerization in the presence of a late transition metal complex-based coordination polymerization catalyst. It is a polymer.
- a late transition metal complex type coordination polymerization catalyst used in the present invention any catalyst having an olefin polymerization activity in the presence of water can be used.
- Examples of the ligand in the late transition metal complex of the present invention include ligands containing nitrogen, oxygen, phosphorus, and sulfur, but are not particularly limited.
- ligands containing nitrogen, oxygen, phosphorus, and sulfur but are not particularly limited.
- Chem. Rev. 2000 100, 1169, Journal of Synthetic Organic Chemistry, 2000, 58, 293, Angew. Chem. Int. Ed. 2002, 41, 544, etc. WO 97/1 7380, WO 97/48740, Chem. Commun. 2000, p. 301, Macrom o.1. Symp. 2000, 150, 53, Macromo 1 ecu 1 es, 2001, vol. 34, p. 1165, Macromo 1 ecu 1es, 2001, vol. 34, p.
- Ligands can be used. Among them, ligands having two imine nitrogens, particularly ⁇ -diimine type ligands, are preferable from the viewpoint of simple synthesis.
- an active species represented by the following general formula (1) or (2) is preferably used after reacting with a cocatalyst.
- R and R 4 are each independently a hydrocarbon group having 1 to 4 carbon atoms.
- R 2 and R 3 are each independently a hydrogen atom or a methyl group.
- R 5 is a halogen atom, a hydrogen atom, or an organic group having 1 to 20 carbon atoms
- X is an organic group having a heteroatom capable of coordinating to M, and is connected to R 5 Or X need not be present.
- L is any anion.
- M is palladium or Huckel.
- R 4 is each independently a hydrocarbon group having 1 to 4 carbon atoms.
- R 5 is a halogen atom, a hydrogen atom, or an organic group having 1 to 20 carbon atoms.
- X is an organic group having a heteroatom capable of coordinating to M, and may be connected to R 5 or may be absent L is an arbitrary atom )).
- Molecules that can coordinate to M represented by X include getyl ether, acetone, methyl ethyl ketone, acetoaldehyde, acetic acid, ethyl acetate, water, ethanol, acetonitrile, tetrahydrofuran, dimethylformamide, and dimethyl sulfoxide. Examples include polar compounds such as sides and propylene carbonate, but need not be present.
- R 5 has a hetero atom, particularly a carbonyl oxygen such as an ester bond, the carbonyl oxygen may be coordinated as X. Further, it is known that, when polymerized with olefin, the olefin is coordinated.
- the ayon represented by L— is formed together with the cation ( ⁇ +) by the reaction between the ⁇ -dimine-type ligand, the transition metal and a catalyst composed of a force and a cocatalyst, but is not distributed in the solvent. Any of them can be used as long as they can form an ionic pair.
- R 2 and R 3 are preferably a hydrocarbon group, and particularly preferably a hydrogen atom, a methyl group, or an acenaphthene skeleton represented by the general formula (2) because of their simple synthesis and high activity.
- Ar is preferably an aromatic group having a substituent, and examples thereof include 2,6-dimethylphenyl and 2,6-diisopropylphenyl.
- auxiliary ligand (R 5 ) in the active species obtained from the late transition metal complex of the present invention a hydrocarbon group, a halogen group or a hydrogen group is preferable.
- the cation (Q +) force of the catalyst which will be described later.
- the halogen is extracted from the metal-halogen bond of the catalyst and a salt is formed, while the active species, metal-carbon bond or metal-halogen bond or metal- This is because cations (H +) with hydrogen bonds are generated, and it is necessary to form non-coordinating ion pairs with the co-catalyst anion (L-1).
- R 5 Specific examples include a methyl group, black port group, and a promoter group or hydrogen group, in particular, a methyl group or a black hole groups, good preferable because synthesis is easy.
- Particularly preferred R 5 is a methyl group because the insertion of olefin into the M + -halogen bond is less likely to occur than the M + -carbon bond (or hydrogen bond).
- R 5 may be an organic group having an ester bond having a carbon oxygen capable of coordinating to M, for example, a group obtained from methyl butyrate.
- the cocatalyst can be expressed by Q + L—.
- Q include Ag, Li, Na, K, and ⁇ , and Ag is preferable because the halogen extraction reaction is easily completed, and Na and K are preferable because they are inexpensive.
- As L BF 4 , B (C 6 F 5 ) 4 , B (C 6 H 3 (CF 3 ) 2 ) 4 , PF 6 , As F 6 , S b F 6 , (R f S0 2 ) 2 CH S (R f S ⁇ 2 ) 3 C, (R f SO 2 ) 2 N, and R f SO 3 .
- PF 6 , As F 6 , and Sb F 6 are particularly preferable because they are easy to synthesize and easily available industrially.
- BF 4 , B (C 6 F 5 ) 4 , B (C 6 H 3 (CF 3 ) 2 ) 4 is particularly preferable, and B (C 6 F 5 ) 4 and B (C 6 H 3 (CF 3 ) 2 ) 4 are particularly preferable.
- R f is a hydrocarbon group containing a plurality of fluorine groups.
- R f examples include, but are not limited to, CF 3 , C 2 F 5 , C 4 F 9 , C 8 F 17 , and C 6 F 5 . Some may be combined.
- the molar ratio of the late transition metal complex catalyst Z cocatalyst is 1
- the olefin monomer used in the present invention is not particularly limited as long as it is an olefin having 2 to 20 carbon atoms.
- ethylene propylene, 1-butene, 1-hexene, 1-otaten, 1-decene, 1- Hexadecene, 11-eicosene, 4-methylin- 11-pentene, 3-methinole-11-butene, bininolecyclohexane, cyclopentene, cyclohexene, cyclootaten, norbornene and the like.
- a jen such as nonolevonorenene, 5-hue-luu 2-norponolenene, dimethanooctahydronaphthalene, ethylidene norbornene, dicyclopentagen, 1,4-hexadiene is used in a small amount as long as the effects of the present invention are not impaired. You may.
- ⁇ -olefins having 10 or less carbon atoms are preferable, and examples thereof include ethylene, propylene, 1-butene, 11-hexene, and 11-otaten. Particularly considering activity, ethylene and propylene are preferred. These olefin monomers may be used alone or in combination of two or more.
- the amount of Orefin monomers include, without limitation, 10 Orefin based monomer Ichino active species (becomes the lesser amount of the catalyst or cocatalyst) is in a molar ratio of 1 0 9, even 10 2 - : L 0 7, in particular 10 3 ⁇ : preferably the L 0 5. If the molar ratio is too small, only a polymer having a small molecular weight will be obtained. If the molar ratio is too large, the yield of the polymer relative to the monomer tends to be low.
- Polyolefin in polyolefin-based graft copolymer obtained by the present invention Has a branched structure, 1, ⁇ -introduced structure (Chem. Rev. 2000, volume 100, page 1169, organic synthesis, (See Chemical Society of Japan, 2000, vol. 58, p. 2933), or have an atactic structure.
- the stereotacticity of ligands makes it difficult to control the insertion direction of monoolefinic monomers having 3 or more carbon atoms, so that stereoregularity is difficult to develop (atactic). For this reason, an amorphous polymer is often obtained and is soluble in a solvent. Therefore, there is an advantage that the catalyst or its residue can be easily removed by filtration, washing, adsorption or the like after polymerization.
- the silicone-based macromonomer produced by emulsion polymerization used in the present invention preferably has at least one carbon-carbon double bond per molecule which can be graph-copolymerized with the olefin-based monomer.
- the carbon-carbon double bond is preferably one that is easily coordinatively polymerized, but is preferably an aryl terminal ( ⁇ -olefin structure), a cyclic olefin terminal, a styryl terminal, or a (meth) acrylic terminal.
- (Meta) Acrylic-terminated or aryl-terminated ones are preferred in that coordination polymerization is easy, that is, graft copolymerization with olefins is easy.
- the silicone-based macromonomer produced by the emulsion polymerization of the present invention is a macromonomer containing an organosiloxane as a main component.
- organosiloxanes there are many known organosiloxanes, but there is no limitation, and one or more organosiloxanes may be selected according to the required function.
- the silicone-based macromonomer of the present invention may contain another monomer.
- the main chain skeleton may be linear, cyclic, or branched, and may have a three-dimensional network structure by crosslinking.
- the silicone-based macromonomer of the present invention may be fine particles. It may be a composite particle or may have a core-shell structure.
- the silicone-based macromonomer of the present invention includes an organosiloxane (hereinafter, also referred to as an organosiloxane (A-1)) and the organosiloxane ( ⁇ -1) in a molecule.
- organosiloxane hereinafter, also referred to as an organosiloxane (A-1)
- ⁇ -1 organosiloxane
- a compound having a functional group capable of reacting with and a covalently polymerizable carbon-carbon double bond (hereinafter, also referred to as compound (II-2)), and is preferably a silicone-based macromonomer.
- the organosiloxane (A-1) And / or a monomer having a functional group capable of reacting with compound (A-2) (hereinafter also referred to as compound (A-3)).
- the use amount of each component is not particularly limited and may be used in any amount.
- the preferable use amount is preferably 40 to 99.99% by weight, more preferably 60 to 99.% by weight of organosiloxane (A-1). It is 90% by weight.
- the compound (A-2) is preferably 0.01 to 25% by weight, more preferably 0.1 to 10% by weight. If the amount is too small, the grafting with the olefin monomer will be insufficient, and if it is too large, the physical properties of the obtained polyolefin-based graft polymer may be reduced.
- the compound (A-3) is used, it is preferably at most 50% by weight, more preferably at most 30% by weight. If the amount is too large, the physical properties of the obtained polyolefin-based graft polymer may be reduced.
- the organosiloxane (A-1) is a component for constituting the main skeleton of the silicone-based macromonomer.
- the organosiloxane (A-1) may be of any molecular weight as long as it is a liquid capable of undergoing emulsion polymerization.
- the molecular weight is preferably from the viewpoint that the physical properties of the obtained silicone-based macromonomer can be easily designed. It is 1000 or less, particularly preferably 500 or less.
- As the organosiloxane (A-1) a linear, cyclic or branched organosiloxane can be used.
- cyclic siloxane is preferred.
- a cyclic siloxane include, for example, hexamethylcyclotrisiloxane, octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, dodecamethylcyclohexasiloxane, tetramethyltetraphenylcyclotetrasiloxane, and octamethylcyclotrisiloxane.
- Examples include taffenylcyclotetrasiloxane and 1,2,3,4-tetrahidero 1,2,3,4-tetramethylcyclotetrasiloxane.
- bifunctional alkoxysilanes can also be used as the organosiloxane (A-1), and specific examples thereof include, for example, dimethoxydimethylsilane and jetoxydimethylsilane. Furthermore, a cyclic siloxane and a bifunctional alkoxysilane can be used in combination. These organoshiro The xane (A-1) may be used alone or in combination of two or more.
- the compound (A-2) reacts with the organosiloxane (A-1) by a functional group of the compound (A-2).
- a carbon-carbon double bond capable of coordination polymerization can be introduced into a side chain or a terminal of the obtained silicone-based macromonomer.
- the carbon-carbon double bond capable of coordination polymerization is a component for enabling the graft copolymerization of the silicone-based macromonomer and the olefin-based monomer.
- the carbon-carbon double bond capable of coordination polymerization is preferably a carbon-carbon double bond at a vinyl terminal, an aryl terminal ( ⁇ _ olefin structure), a cyclic olefinic terminal, a styryl terminal, or a (meth) acrylic terminal.
- Those having a (meth) acrylic terminal and an aryl terminal are preferable in that coordination polymerization is easy, that is, graft copolymerization with olefin is easy.
- the group for reacting with the compound (A-1) may be a hydrolyzable alkoxy group or a silanol group bonded to a silicon atom, or a group capable of ring-opening copolymerization with the compound (A-1).
- Specific examples of the compound (A-12) include, for example, 3-acryloxypropylmethyldimethoxysilane, 3-acryloxypropyltrimethoxysilane, 3-acryloxypropylmethylmethoxysilane, and 3-acryloxy.
- Alkoxysilane compounds such as propyltriethoxysilane, and 1,3,5,7-tetrakis (ataryloxypropyl) -1,3,5,7-tetramethylcyclotetrasiloxane, 1,3,5-tris (ataryloxypropyl)
- organosiloxanes such as 1,1,3,5-trimethylcyclotrisiloxane, and among these, 3-attaryloxypropylmethyldimethoxysilane is particularly preferred in that it has good reactivity.
- These compounds (A-2) may be used alone or in combination of two or more.
- the compound (A-3) is a component for reacting with the organosiloxane (A-1) and / or the compound (A-2) to adjust the physical properties of the silicone-based macromonomer.
- a polyfunctional silane compound having at least three silicon-bonded hydrolyzable groups in a molecule or a partially hydrolyzed condensate thereof is used, a cross-linking structure is introduced into the silicone-based macromonomer, and the Tg and elastic modulus Can be adjusted.
- polyfunctional silane compounds include methyltrimethoxysilane, Alkoxysilanes such as tinoletrimethyoxysilane, methinoletri (methoxhetoxy) silane, tetramethoxysilane, tetraethoxysilane, methyltriethoxysilane, and ethyltriethoxysilane, and their hydrolysis condensates; methyltriacetoxysilane, ethyltriacetoxysilane, Examples include acetoxysilanes such as tetraacetoxysilane, and hydrolytic condensates thereof.
- a non-silicone macromonomer having a functional group capable of reacting with the organosiloxane (A-1) and / or the compound (A-2) can also be used. In this way, it is possible to obtain composite particles of silicone and acrylic.
- These compounds (A-3) may be used alone or in combination of two or more.
- the silicone-based macromonomer used in the present invention can be produced by a usual polymerization method performed under acidic or basic conditions.
- the organosiloxane (A-1), the compound (A-2), and the compound (A-3) used as necessary are mixed with an emulsifier and water using a homomixer, a colloid mill, a homogenizer, or the like.
- the pH of the system was adjusted to 2 to 4 with alkylbenzene sulfonic acid or sulfuric acid, etc., and after heating and polymerizing, the alkaline components such as sodium hydroxide and hydroxylating power were removed.
- it can be produced by a method such as neutralization.
- the pH may be reduced after stirring for a certain period of time, or the remaining raw materials may be sequentially added to an emulsion prepared by partially charging the raw materials and reducing the pH. Is also good.
- they may be added as they are or in the form of an emulsion by mixing with water and an emulsifier, but it is preferable to use a method of adding in an emulsified state from the viewpoint of the polymerization rate.
- the reaction temperature is preferably from 50 to 95 ° C. If the temperature is lower than 50 ° C, the polymerization rate becomes slow, and if the temperature exceeds 95 ° C, the stability becomes poor.
- the reaction time is preferably from 1 to 100 hours, more preferably from 5 to 50 hours. If the reaction time is too short, the polymerization will be insufficient, and if it is too long, the productivity will decrease.
- the Si-o-si bond is in equilibrium with cleavage and bond formation. This equilibrium changes with temperature, and the lower the temperature, the easier it is to produce high molecular weight polyorganosiloxanes. Therefore, in order to obtain a high molecular weight polyorganosiloxane, it is preferable to polymerize the organosiloxane (A-1) by heating and then cool it to a temperature lower than the polymerization temperature for ripening. Specifically, the polymerization is carried out at 50 ° C.
- the polymerization conversion rate means the conversion rate of organosiloxane in the raw material to a low volatile component.
- the amount of water used in the emulsion polymerization is not particularly limited, and may be any amount necessary for emulsifying and dispersing the monomer. Usually, the above-mentioned organosiloxane (A-1), compound (A-2) and compound What is necessary is to use 1 to 20 times the weight of the total amount of (A-3). If the amount of water used is too small, the proportion of the monomer, which is a hydrophobic oil, is too large, and the emulsion does not invert from WZO to OZW, making it difficult for water to form a continuous layer. If too much water is used, the stability will be poor and the pot efficiency will be low.
- emulsifier used for the emulsion polymerization a known emulsifier can be used without any particular limitation as long as it does not lose the emulsifying ability in the pH region where the reaction is carried out.
- emulsifiers include, for example, abrekylbenzenesnolephonic acid, sodium anolequinolebenzenesulfonate, sodium alkylsulfate, sodium alkylsulfosuccinate, sodium polyoxyethylenenoylphenylethersulfonate, and the like.
- the amount of the emulsifier used is not particularly limited, and may be appropriately adjusted according to the particle size of the intended silicone-based macromonomer.
- 0.05 to 20% is added to the emulsion.
- % Preferably 0.1 to 10% by weight.
- the particle size of the silicone-based macromonomer can be controlled using a conventional emulsion polymerization technique such as increasing or decreasing the amount of the emulsifier used.
- Compounded with thermoplastic resin From the viewpoint of sometimes exhibiting good dispersibility, it is preferably in the range of 20 to 100 nm, more preferably in the range of 30 to 500 nm.
- the silicone-based macromonomer produced by the emulsion polymerization of the present invention may be composed of a single silicone-based macromonomer as described above, or may be a composite composed of one or more macromonomers.
- the particles may be a latex blend.
- the silicone-based macromonomer produced by the emulsion polymerization of the present invention may be used as it is for the reaction with the olefin-based monomer, or may be used after performing operations such as dilution, concentration, heat treatment, and aging treatment as necessary. It may be used after adjusting the components by adding additives such as an emulsifier, an antifreezing agent, a stabilizer and a pH adjuster.
- the silicon cone type macromonomer is preferably solid content are use as 1-5 0 weight 0/0 of the latex, more preferably solids content of 5 to 3 0 wt. It is preferably used as a latex of / 0 . If the solid content is too high, the reaction tends to be non-uniform due to aggregation of latex particles. If the solid content is too low, the amount of the entire reaction solution increases, resulting in poor kettle efficiency.
- the polymerization of the graft copolymer of the present invention is carried out by emulsification or a system similar thereto.
- the coordination polymerization catalyst and the olefin monomer can be uniformly dispersed in the latex of the silicone macromonomer and reacted.
- the olefin monomer used is a gas at the reaction temperature, it may be solidified at a low temperature and charged as a liquid or solid, and then heated to the reaction temperature, or may be charged as a gas under pressure. good.
- the silicone-based macromonomer, the olefin-based monomer, and the catalyst may be charged all at once in the reaction vessel, or may be added partly after the remaining one has been added continuously or intermittently. Further, it may be charged as it is or in a state of being mixed with water and an emulsifier to form an emulsion.
- the proportion of the silicone macromonomer and the olefin monomer used can be arbitrarily set, but the olefin monomer is preferably 1 to 100 parts by weight, more preferably 100 parts by weight, based on 100 parts by weight of the silicone macromonomer used. Preferably, it is used for up to 33 parts by weight. Volatile liquids whose boiling point is below 100 ° C Alternatively, in the case of a gas, the olefin monomer can be used in a large excess, and the reaction can be stopped at the time when the above-mentioned preferable amount has been polymerized to remove the unreacted monomer.
- an organic solvent may be added to increase the solubility of the monomer and the catalyst and promote the reaction.
- an aliphatic or aromatic solvent is preferable, and these may be halogenated. Examples include tonolen, ethylbenzene, benzene, hexane, heptane, cyclohexane, methinolesik hexane, butyl chloride, methylene chloride, and chloroform.
- a polar solvent such as tetrahydrofuran, dimethyl ether, acetone, methanol, methyl ethyl ketone, and ethyl acetate may be used.
- the solvent is low in water solubility, is impregnated with the silicone-based macromonomer used, and is a solvent in which the catalyst is dissolved.
- a solvent particularly preferable examples of such a solvent are methylene chloride, chloroform, and ethyl acetate. Lid.
- the total amount of the solvent used is preferably 30% by volume or less, more preferably 10% by volume or less, based on the total volume of the reaction solution. Alternatively, it is preferably at most 150 parts by weight, more preferably at most 100 parts by weight, based on the total weight of the silicone macromonomer used. If the amount is too large, aggregation of latex particles occurs, or new particles are generated, and the reaction tends to be uneven.
- the production of the graft copolymer of the present invention is carried out at 130 to 200 ° C, preferably at 0 to 100 ° C.
- the polymerization time is usually from 10 minutes to 100 hours, and the reaction pressure is from normal pressure to 1 OMPa.
- the temperature and pressure may be kept constant from the start to the end of the reaction, or may be changed continuously or stepwise during the reaction.
- the olefin monomer used is a gas such as ethylene or propylene
- the pressure may gradually decrease as the monomer is consumed by the polymerization reaction, but the reaction may be performed by changing the pressure as it is, and the monomer is supplied.
- the reaction may be carried out while maintaining a constant pressure by, for example, heating or heating.
- the graft copolymer contains free polyolefin based on the total weight. It is preferably substantially free of force-free polyolefins that may have, and can be achieved by adjusting various polymerization conditions. For example, the content of the compound (A-2) in the silicone-based macromonomer may be increased to increase the content of a coordinatively polymerizable carbon-carbon double bond in the macromonomer, or the macromonomer particles may have a core shell structure. Free polyolefins can be formed by uneven distribution of carbon-carbon double bonds capable of coordinating polymerization on the surface part, or by impregnating the macromonomer particles with the catalyst solution by adding a solvent during polymerization of the olefin monomer. Can be reduced.
- the polyolefin-based graft copolymer obtained by the present invention is usually obtained as a latex.
- the particle size of the latex is usually 30 nm to 100 nm, depending on the particle size of the starting macromonomer used and the amount of reacted olefin monomer.
- a portion of the latex particles may be aggregated and precipitated, or free polyolefin may be precipitated as a by-product, but the reaction is preferably performed under conditions free of such precipitates.
- the latex containing the graft copolymer particles obtained as described above can be obtained by, for example, spray-drying the latex or aggregating it with an electrolyte such as calcium chloride, magnesium chloride, calcium sulfate, magnesium sulfate, aluminum sulfate, or calcium formate. After that, through a treatment such as heating, dehydration and drying, it can be recovered as a powder composed of graft copolymer particles, a resin mass or a rubber mass.
- the dried product of the graft copolymer particles of the present invention may be processed into a pellet using an extruder or a Banbury mixer, or the resin in a wet state obtained through coagulation and dehydration may be passed through a compression dehydrator. It can be processed into pellets and collected.
- the resin composition of the present invention can be produced by incorporating the graft copolymer particles of the present invention into various thermoplastic resins or thermosetting resins.
- thermoplastic resin examples include commonly used resins such as polypropylene, polyethylene, ethylene propylene rubber, ethylene propylene gen rubber, ethylene otaten rubber, polymethylpentene, ethylene cyclic olefin copolymer, and ethylene monoacetate copolymer.
- Polyolefins such as polymers, ethylene glycidyl methacrylate copolymer, ethylene methyl methacrylate copolymer, Polystyrene, Styrene-Acrylonitrile copolymer, Styrene-Atharylonitrinolate N-phenynomaleimide copolymer, -Methynolestyrene-acrylonitrile copolymer, Polymethyl methacrylate, Methyl methacrylate-Styrene copolymer Preferred examples include vinyl / polypolymers such as polyester, polyesters such as polyethylene terephthalate and polybutylene terephthalate, polycarbonates, polyamides, polyphenylene ether-polystyrene composites, polyacetals, polyetheretherketones, polyethersulfones and the like.
- thermosetting resin examples include generally used resins, for example, a phenol resin, a urea resin, a melamine resin, an unsaturated polyester resin, and an epoxy resin.
- resins for example, a phenol resin, a urea resin, a melamine resin, an unsaturated polyester resin, and an epoxy resin.
- polyolefins such as polyethylene and polypropylene are preferred in that the graft copolymer of the present invention has good dispersibility.
- thermoplastic resins or thermosetting resins may be used alone or in combination of two or more.
- the mixing ratio of the thermoplastic resin or the thermosetting resin and the graft copolymer particles may be appropriately determined so that the physical properties of the molded article can be obtained in a well-balanced manner.However, in order to obtain sufficient physical properties, the graft copolymer is used.
- the amount of the coalesced particles is at least 0.1 part, preferably at least 5 parts with respect to 100 parts of the thermoplastic resin or the thermosetting resin. In this case, the amount of the graft copolymer particles is preferably 500 parts or less, more preferably 100 parts or less, based on 100 parts of the thermoplastic resin.
- the graft copolymer comprising the polyolefin-based monomer of the present invention and the silicone-based macromonomer produced by emulsion polymerization contains a polyolefin component, and thus exhibits good dispersibility even in low-polarity resins such as polyethylene and polypropylene. And since it contains a silicone component, various functions can be imparted.
- the polyolefin-based graft copolymer of the present invention and its composition are particularly useful for improving the oil resistance of polyolefin, low-temperature brittleness improver, flame retardant aid, impact resistance improver, elastomer property imparting agent, and slidability imparting agent. , Plasticizer, chemical resistance improver, gas permeability imparting agent, electric property improver, compatibilizer, etc.
- the graft copolymer of the present invention and the composition thereof may be used in combination with ordinary additives known in the plastics and rubber industries, such as plasticizers, stabilizers, lubricants, and ultraviolet absorbers.
- additives known in the plastics and rubber industries, such as plasticizers, stabilizers, lubricants, and ultraviolet absorbers.
- Compounding agents such as absorbents, antioxidants, flame retardants, flame retardant aids, pigments, glass fibers, fillers, and polymer processing aids can be included.
- thermoplastic resin composition of the present invention a method used for compounding a normal thermoplastic resin can be used.
- the thermoplastic resin and the daraft copolymer particles of the present invention and optionally added It can be manufactured by melt-kneading the agent component using a heating kneader, for example, a single screw extruder, a twin screw extruder, a roll, a Banbury mixer, a Brabender, a kneader, a high shear mixer, or the like.
- the order of kneading the components is not particularly limited, and can be determined according to the equipment to be used, the workability, or the physical properties of the obtained thermoplastic resin composition.
- thermoplastic resin When the thermoplastic resin is produced by an emulsion polymerization method, it is obtained by blending the thermoplastic resin and the graft copolymer particles in an emulsion state and then coaggregating them. It is also possible.
- the molding method of the thermoplastic resin composition obtained in this manner includes molding methods such as injection molding method, extrusion molding method, blow molding method and force render molding method which are used for molding ordinary thermoplastic resin composition. Is raised.
- the particle diameter was measured by a dynamic light scattering method using a SubmicrocRonParitSiCiseSeModer370 manufactured by NICOMP to obtain a volume average particle diameter.
- the latex is salted out with calcium chloride, washed with water, and dried. About 1 Omg of the obtained resin is dissolved in about 1 mL of deuterated chloroform (commercially available reagent), and the resulting solution is added to a 30 OMHZ NMR apparatus ( The 1 U NMR spectrum was measured with a Varian Gemini 300). Product identification by polyethylene CH 2 peak at 1.2-1.3 ppm, polyethylene CH 3 peak at 0.8-0.9 ppm, and siloxane CH 3 peak at 0.0-0.1 ppm did.
- the coefficient of dynamic friction was measured using a surface property tester (HE IDON-14DR, manufactured by Shinto Kagaku Kogyo Co., Ltd.).
- a top sheet of 20 mm ⁇ 2 Omm and a bottom sheet of 100 mm ⁇ 150 mm were cut out from a press sheet of about 2 mm thickness and measured under the conditions of a vertical load of 200 g and a sliding speed of 10 OrnmZin in.
- L i C 1 was precipitated [N "N]
- P dMe ⁇ B (C 6 F 5) 4 complex was prepared 40 mm o 1 / L Jechiruete Le solution 1 6 m L containing (hereinafter GETS chill ether Catalyst solution).
- the latex component was salted out with an aqueous solution of calcium chloride, filtered, washed with water, and dried to obtain a polyethylene resin.
- the gel content of each of the obtained resin mass and the salted out product of the latex was 0.5% or less.
- the latex salting out product (10 Omg) was immersed in hexane (10 OmL) at room temperature for 24 hours, and was completely dissolved.
- Example 1 Copolymerization of silicone macromonomer and ethylene 15 mL of the getyl ether catalyst solution prepared in Reference Example 1 was placed in a Schlenk tube, and the pressure was reduced at room temperature to remove getyl ether. Then, 15 mL of methylene chloride was added to dissolve, and [NN] PdMe'B A methylene chloride solution (hereinafter referred to as a methylene chloride catalyst solution) containing 40 mmo1 / L of the (C 6 F 5 ) 4 complex was prepared. 0.5 mL of this methylene chloride catalyst solution was mixed with 25 mL of the latex obtained in Synthesis Example 1 above to uniformly disperse the catalyst.
- a methylene chloride catalyst solution containing 40 mmo1 / L of the (C 6 F 5 ) 4 complex was prepared.
- the reaction mixture was charged into a pressure vessel purged with nitrogen, and ethylene was introduced to adjust the pressure to 2 MPa, followed by a reaction at room temperature for 7 hours.
- the product was obtained as a mixture of latetus and rubbery resin mass.
- the latex component was salted out with a chloridizing aqueous solution of sodium chloride, filtered, washed with water, and dried to obtain a polyolefin-based graft copolymer resin of the present invention.
- 1 H NMR observations confirmed that the resin mass was composed mainly of branched polyethylene, and that the latex salted-out product was composed of both the branched polyethylene and the siloxane macromonomer component.
- Table 2 shows the reaction conditions and the yield and physical properties of the product.
- Example 2 Using 1 g of the salted-out product of the latex of the polyolefin-based graft copolymer of the present invention obtained in Example 1 and 5 g of polypropylene resin (F232DC), using a micro-rhe-opening dicompounder (ThermoHaake, minilab) 200. C. for 10 minutes to obtain a resin composition of the present invention. The sheet was pressed at 200 ° C to make a sheet about 1 mm thick, and the tensile modulus, tensile elongation and oil resistance of this sheet were measured. Table 3 shows the results.
- Example 2 100 parts of polypropylene resin / 20 parts of salted-out product of Example 1
- Comparative Example 3 100 parts of polypropylene resin 20 parts of salted out product of Synthesis Example 1
- composition of the present invention (Example 2) had a smaller rate of change in tensile properties after the oil resistance test than the polypropylene resin (Comparative Example 2), and was excellent in oil resistance.
- a graft copolymer of an olefin monomer and a silicone-based mac mouth monomer can be easily obtained under mild conditions at normal temperature and low pressure.
- the graft copolymer particles can be suitably used as a modifier for a thermoplastic resin, particularly, polyolefin.
- a sheet having improved oil resistance, softness (low tensile modulus), friction coefficient, oxygen permeability coefficient and compression set can be obtained.
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Macromonomer-Based Addition Polymer (AREA)
- Silicon Polymers (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
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Abstract
Description
Claims
Priority Applications (3)
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JP2005505833A JPWO2004096877A1 (ja) | 2003-04-30 | 2004-04-07 | 後周期遷移金属錯体系の配位重合触媒によるポリオレフィン系グラフト共重合体とその製造方法 |
EP04726317A EP1619214A1 (en) | 2003-04-30 | 2004-04-07 | Polyolefin graft copolymer obtained by using late transition metal complex coordination polymerization catalyst and method for producing same |
US10/554,023 US20060223943A1 (en) | 2003-04-30 | 2004-04-07 | Polyolefin graft copolymer obtained by using late transition metal complex coordination polymerization catalyst and method for producing same |
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JP2003124905 | 2003-04-30 | ||
JP2003-124905 | 2003-04-30 |
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US (1) | US20060223943A1 (ja) |
EP (1) | EP1619214A1 (ja) |
JP (1) | JPWO2004096877A1 (ja) |
WO (1) | WO2004096877A1 (ja) |
Families Citing this family (9)
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GB0812185D0 (en) | 2008-07-03 | 2008-08-13 | Dow Corning | Polymers modified by silanes |
GB0812186D0 (en) | 2008-07-03 | 2008-08-13 | Dow Corning | Modified polyolefins |
KR101612978B1 (ko) * | 2008-08-01 | 2016-04-15 | 유니온 카바이드 케미칼즈 앤드 플라스틱스 테크날러지 엘엘씨 | 실리콘 열가소성 중합체 반응성 블렌드 및 공중합체 생성물 |
GB201000120D0 (en) | 2010-01-06 | 2010-02-17 | Dow Corning | Process for forming crosslinked and branched polymers |
GB201000121D0 (en) | 2010-01-06 | 2010-02-17 | Dow Corning | Modified polyolefins |
GB201000116D0 (en) * | 2010-01-06 | 2010-02-17 | Dow Corning | Polyolefins modified by silicones |
GB201000117D0 (en) | 2010-01-06 | 2010-02-17 | Dow Corning | Organopolysiloxanes containing an unsaturated group |
PL3313896T3 (pl) * | 2015-06-26 | 2020-03-31 | Fischerwerke Gmbh & Co. Kg | Aldiminy i ketiminy jako inicjatory w układach utwardzaczy i odpowiednie kompozycje żywic między innymi dla techniki mocowania |
CN112745360B (zh) * | 2019-10-31 | 2022-10-21 | 中国石油化工股份有限公司 | 一种胺基亚胺类配合物及其制备方法和应用 |
Citations (3)
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JPH07138415A (ja) * | 1993-11-17 | 1995-05-30 | Toagosei Co Ltd | 樹脂組成物 |
JPH09165519A (ja) * | 1995-10-11 | 1997-06-24 | Shin Etsu Chem Co Ltd | 熱可塑性樹脂組成物及びそれを用いた成形品 |
WO2003020779A1 (fr) * | 2001-08-31 | 2003-03-13 | Kaneka Corporation | Copolymere greffe de polyolefine produit avec un catalyseur de polymerisation de coordination a base d'un complexe de metal de transition apparaissant dans une periode ulterieure et procede pour preparer ce copolymere |
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JP2666030B2 (ja) * | 1992-09-21 | 1997-10-22 | 昭和高分子株式会社 | 水性シリコーン系グラフト共重合体エマルジョンの製造方法 |
US5942461A (en) * | 1995-11-06 | 1999-08-24 | Minnesota Mining And Manufacturing Company | Polymerizable compositions comprising alpha-olefin hydrocarbon monomers and methods of use therefor |
US6136896A (en) * | 1998-12-21 | 2000-10-24 | Dow Corning Corporation | Graft copolymers containing polydiorganosiloxane and polybutylene grafts |
-
2004
- 2004-04-07 JP JP2005505833A patent/JPWO2004096877A1/ja not_active Withdrawn
- 2004-04-07 WO PCT/JP2004/005040 patent/WO2004096877A1/ja not_active Application Discontinuation
- 2004-04-07 US US10/554,023 patent/US20060223943A1/en not_active Abandoned
- 2004-04-07 EP EP04726317A patent/EP1619214A1/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07138415A (ja) * | 1993-11-17 | 1995-05-30 | Toagosei Co Ltd | 樹脂組成物 |
JPH09165519A (ja) * | 1995-10-11 | 1997-06-24 | Shin Etsu Chem Co Ltd | 熱可塑性樹脂組成物及びそれを用いた成形品 |
WO2003020779A1 (fr) * | 2001-08-31 | 2003-03-13 | Kaneka Corporation | Copolymere greffe de polyolefine produit avec un catalyseur de polymerisation de coordination a base d'un complexe de metal de transition apparaissant dans une periode ulterieure et procede pour preparer ce copolymere |
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JPWO2004096877A1 (ja) | 2006-07-13 |
EP1619214A1 (en) | 2006-01-25 |
US20060223943A1 (en) | 2006-10-05 |
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