WO2006054477A1 - グラフト重合体及び該重合体を配合した樹脂組成物 - Google Patents
グラフト重合体及び該重合体を配合した樹脂組成物 Download PDFInfo
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- WO2006054477A1 WO2006054477A1 PCT/JP2005/020616 JP2005020616W WO2006054477A1 WO 2006054477 A1 WO2006054477 A1 WO 2006054477A1 JP 2005020616 W JP2005020616 W JP 2005020616W WO 2006054477 A1 WO2006054477 A1 WO 2006054477A1
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- polyorganosiloxane
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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
- C08F285/00—Macromolecular compounds obtained by polymerising monomers on to preformed graft polymers
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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
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/12—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polysiloxanes
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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
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/08—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds
- C08L51/085—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds on to polysiloxanes
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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
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
- C08K3/013—Fillers, pigments or reinforcing additives
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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
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/10—Block- or graft-copolymers containing polysiloxane sequences
Definitions
- the present invention relates to a polyorganosiloxane-containing graft polymer, a polyorganosiloxane-containing graft copolymer, and a thermoplastic polyester resin composition containing an inorganic filler.
- Thermoplastic polyester resins such as polyethylene terephthalate are excellent in heat resistance, chemical resistance, weather resistance, mechanical properties, electrical properties, etc., so they are widely used industrially as injection molding materials, fibers, and films. Has been.
- thermoplastic polyester resin As described above, it is very difficult to achieve both the flexural modulus and impact resistance of thermoplastic polyester resin. For a long time, it has a high elastic modulus and heat resistance in the market and has high impact resistance. The appearance of a plastic polyester resin has been desired.
- Patent Document 1 JP-A-10-259016
- Patent Document 2 JP-A-10-310420
- Patent Document 3 Japanese Patent Application Laid-Open No. 62-121752
- the present invention relates to a water-soluble electrolyte during the polymerization of a polyorganosiloxane-containing graft polymer.
- the present invention provides a polymerizable unsaturated bond in the molecule in the presence of 30 to 95 parts by weight of polyorganosiloxane (a) having a volume average particle size of 0.001 to 0.05 ⁇ m.
- the present invention relates to a graft polymer containing polyonoleganosiloxane in which is 0.01 to 0.6 ⁇ .
- a preferred embodiment relates to the above polyorganosiloxane-containing graft polymer, wherein the vinyl monomer (e) contains a monomer having an epoxy group.
- a preferred embodiment relates to the polyorganosiloxane-containing graft polymer according to any one of the above, wherein the graft polymer has a volume average particle diameter of 0.06 to 0.2 zm.
- the present invention provides the polyorganosiloxane-containing graft polymer (A) according to any one of the above.
- thermoplastic polyester resin (B) 99 A thermoplastic polyester resin composition characterized by containing 5 to 91% by weight (provided that (A) and (B) are combined 100 Weight%).
- the present invention provides the polyorganosiloxane-containing graft polymer (A) according to any one of the above.
- thermoplastic polyester comprising 5 to 9% by weight, thermoplastic polyester resin (B) 99.3 to 49.5% by weight, and inorganic filler (C) 0.2 to 50% by weight
- the present invention relates to a resin composition.
- thermoplastic resin composition obtained by blending a polyorganosiloxane-containing graft polymer having a diameter of 0.01-0.6 / im into a thermoplastic resin, and further blending with an inorganic filler,
- a thermoplastic polyester resin composition can exhibit an excellent flexural modulus and excellent impact resistance.
- the present invention includes two or more polymerizable unsaturated bonds in the molecule in the presence of 30 to 95 parts by weight of polyorganosiloxane (a) having a volume average particle size of 0.001 to 0.05 ⁇ m.
- Polyfunctional monomer (b) 100 to 50% by weight, and other copolymerizable vinyl monomers (c) 0 to 50% by weight (provided that (b) and (c) are combined 100 (D) 0 to: 10 parts by weight of the monomer (d) consisting of 5% to 70 parts by weight (e) of 5 to 70 parts by weight (however, (a), (d) and (e) 100 parts by weight), and the volume average particle diameter obtained by adding the water-soluble electrolyte (f) during the polymerization of (d) and / or (e) is 0.
- the present invention relates to a graft polymer containing polyonoreganosiloxane having a concentration of 01 to 0.6 ⁇ , and a thermoplastic polyester resin composition containing the polymer
- the polyorganosiloxane-containing graft polymer ( ⁇ ) used in the present invention has a polymerizable unsaturated bond in the molecule in the presence of 30 to 95 parts by weight of a polyorganosiloxane (a) having a volume average particle size of 0.001 to 0.05 xm.
- Polyfunctional monomer containing two or more (b) 100 to 50% by weight, and vinyl monomer copolymerizable with other (b) (c) 0 to 50% by weight ((b) and (c ) Are combined to polymerize 100 parts by weight of monomer (d) 0 to 10 parts by weight, and further, vinyl monomer (e) 5 to 70 parts by weight ((&), (d) and ( e) and the ability to polymerize 100 parts by weight)
- water-soluble electrolyte (f) is added to enlarge and polymerize, and the final volume average particle size after polymerization is from 0 ⁇ 01 to 0 ⁇ 6 It will be / im.
- the polyorganosiloxane (a) used in the present invention is preferably produced using seed polymerization from the viewpoint of the power obtained by ordinary emulsion polymerization and the advantage that the particle size distribution in the latex state can be narrowed.
- the seed polymer used for the seed polymerization include an arc polymer. It is not limited to rubber components such as butyl acrylate rubber, butadiene rubber, butadiene styrene, and butadiene mono acrylonitrile rubber.
- a chain transfer agent may be used for the polymerization of the seed polymer.
- a graft crossing agent and, if necessary, a crosslinking agent can be used.
- the organosiloxane used has a general formula: R SiO (wherein R is a substituted or non-substituted m (4-m) / 2
- a monovalent hydrocarbon group, m is an integer of 0 to 3, and has a linear, branched or cyclic structure, preferably This is an organosiloxane having a cyclic structure.
- organosiloxane having a cyclic structure.
- substituted or unsubstituted monovalent hydrocarbon group possessed by the organosiloxane include a methyl group, an ethyl group, a propyl group, a phenyl group, and a substituted hydrocarbon group obtained by substituting them with a cyano group. be able to.
- organosiloxane examples include hexamethylcyclotrisiloxane (D3), otamethylcyclotetrasiloxane (D4), decamethylcyclopentasiloxane (D5), dodecamethylcyclohexasiloxane (D6),
- cyclic compounds such as trimethyltriphenylcyclotrisiloxane
- linear or branched onoleganosiloxane can be mentioned.
- organosiloxanes can be used alone or in combination of two or more.
- Examples of the grafting agent that can be used in the production of the polyorganosiloxane (a) include p-butylphenylmethyldimethoxysilane, p-vinylphenyldimethoxysilane, 2- (p-vinylphenol). Ethylmethyldimethoxysilane, 3- (p vinylbenzo
- Examples include rudimethoxysilane, mercaptopropylmethyldimethoxysilane, methacryloxypropinolemethyldimethoxysilane, and the like.
- the proportion of the grafting agent used can be set as appropriate, but with respect to the organosiloxane.
- 1 to 5% by weight is preferred. If the amount of the grafting agent used is too large, the impact resistance of the final molded product tends to decrease. If the amount of the grafting agent used is too small, solidification and heat treatment will occur. There is a tendency that a large lump is formed and a good resin powder cannot be obtained or the moldability of the final molded product is lowered.
- a crosslinking agent may be added as necessary.
- the crosslinking agent include trifunctional crosslinking agents such as methyltrimethoxysilane, phenyltrimethoxysilane, and ethyltriethoxysilane, tetraethoxysilane, and 1,3bis [2_ (dimethoxymethylsilyl) ethyl.
- the amount of the crosslinking agent added in the production of the polyorganosiloxane (a) is too large, the flexibility of the polyonoreganosiloxane (a) is impaired, so that the impact resistance of the final molded product tends to decrease.
- the degree of swelling described below measured in a toluene solvent can be used. Specifically, the degree of swelling is less than 15, and the flexibility of polyorganosiloxane is insufficient.
- the polyorganosiloxane (a) used in the present invention should have a volume average particle size of 0.001-0.05 ⁇ from the viewpoint of greatly improving the impact resistance of the final molded product.
- Force S preferably 0 to 005 to 0.03 ⁇ , is preferred to force S.
- the volume average particle diameter can be measured by a light scattering method using a MICROTRAC UPA manufactured by LEED & NORTHRUP INS TRUMENTS.
- the polyorganosiloxane (a) is preferably contained in an amount of 30 to 95 parts by weight, more preferably 60 to 90 parts by weight. . If the polyonoreganosiloxane (a) is less than 30 parts by weight, the impact resistance of the final molded product tends to be difficult to increase. Conversely, if it exceeds 95 parts by weight, the polyonoreganosiloxane-containing graft polymer will solidify. Sometimes it becomes agglomerated and it is difficult to obtain a normal powder resin There is a case.
- polyfunctional monomer (b) having two or more polymerizable unsaturated bonds in the molecule used in the present invention there can be used any known one without particular limitation.
- Specific examples of the polyfunctional monomer (b) include, for example, methacrylic acid methacrylate, ethylene glycol dimethacrylate, dimetatarenolic acid 1,3-butylene glycol, dibutylbenzene and the like. These can be used alone or in combination of two or more.
- the other copolymerizable vinyl monomer (c) is not particularly limited as long as it is a vinyl monomer copolymerizable with (b), and specific examples thereof include: For example, aromatic butyl monomers such as styrene and a-methylstyrene, vinyl cyanide monomers such as acrylonitrile, methyl acrylate, ethyl acrylate, butyl acrylate, 2_ethylhexyl acrylate, methacryl (Meth) acrylic acid ester monomers such as methyl acid, ethyl methacrylate, butyl methacrylate, 2_ethylhexyl methacrylate, vinyl monomers containing epoxy groups in the molecule such as glycidyl methacrylate, etc. Can be given. These may be used alone or in combination of two or more. Unless otherwise specified in the present invention, (meth) acryl means acryl and / or methacryl.
- a monomer composed of a polyfunctional monomer (b) containing two or more polymerizable unsaturated bonds in the molecule and another copolymerizable bur monomer (c) (D) serves to facilitate the pulverization of the polyorganosiloxane-containing graft polymer resin.
- the polyfunctional monomer (b) is preferably 50 to 100% by weight, more preferably 90 to 100% by weight, and the other copolymerizable vinyl monomers.
- (C) is preferably 0 to 50% by weight, more preferably 0 to 10% by weight. However, the sum of (b) and (c) is 100% by weight.
- the amount of the monomer (d) used in the production of the polyorganosiloxane-containing graft polymer is preferably 0 to 10 parts by weight per 100 parts by weight of the polyorganosiloxane-containing graft polymer. 5-: 10 parts by weight are more preferable.
- the larger the amount of monomer (d) used the better the state of the powder obtained.
- the amount of monomer (d) used exceeds 10 parts by weight, the final molding obtained from the resin composition of the present invention The impact resistance of the body may be reduced.
- the bull monomer (e) used in the present invention is a polyonoleganosiloxane-containing graft polymer. And a thermoplastic resin, in particular, a thermoplastic polyester resin, and a component used to uniformly disperse the draft polymer in the thermoplastic resin.
- a thermoplastic resin in particular, a thermoplastic polyester resin, and a component used to uniformly disperse the draft polymer in the thermoplastic resin.
- Specific examples of the bull monomer (e) may be the same as the other copolymerizable bull monomers (c).
- aromatic butyl monomers such as styrene and monomethyl styrene, cyanide butyl monomers such as alicyclic nitrile, methyl acrylate, ethyl acrylate, and butyl acrylate.
- cyanide butyl monomers such as alicyclic nitrile, methyl acrylate, ethyl acrylate, and butyl acrylate.
- acrylic acid ester monomers such as 2-ethylhexyl acrylate, methyl methacrylate, ethyl methacrylate, butyl methacrylate, 2_ethylhexyl methacrylate, and glycidyl methacrylate.
- examples thereof include a bulu monomer containing an epoxy group. These may be used alone or in combination of two or more. In order to ensure compatibility with the thermoplastic polyester resin, it is effective that the monomer having an epoxy group is contained in the bull monomer ( e ).
- the Bulle monomer (e) is preferably used in an amount of 5 to 70 parts by weight and more preferably 10 to 40 parts by weight in 100 parts by weight of the polyorganosiloxane-containing graft polymer. Is more preferable. If the Biel monomer (e) is less than 5 parts by weight, the polyonoleganoxy-containing graft polymer will be agglomerated at the time of coagulation, and it is difficult to obtain a normal powder resin. The impact resistance tends to be difficult.
- the total of the polyorganosiloxane (a), the monomer (d), and the vinyl monomer (e) is 100 parts by weight.
- radical polymerization initiator in polymerizing the monomers (d) and (e) include, for example, cumene hydride peroxide, t-butyl hydroperoxide, benzoy Organic peroxides such as ruperoxide, t_butylperoxyisopropyl carbonate, inorganic peroxides such as potassium persulfate and ammonium persulfate, 2, 2 '-azobisisobutyronitrile, 2, 2' —Azobis-1,2,4-dimethylvaleronitol and other azo compounds.
- Redox systems such as ferrous sulfate-formaldehyde sulfoxylate monoethylenediaminetetraacetic acid 2Na salt, ferrous sulfate-gnolecose-sodium pyrophosphate, ferrous sulfate-sodium pyrophosphate-sodium phosphate
- the polymerization is completed even when polymerization is performed at a low polymerization temperature.
- the water-soluble electrolyte (f) used in the present invention is the monomer (d) and / or the bull monomer.
- the amount of the water-soluble electrolyte (f) added is preferably 0.1 to 10 parts by weight with respect to 100 parts by weight of the above (a), (d) and (e). 5 to 6 parts by weight is more preferable. If the amount of the water-soluble electrolyte (f) added is less than 0.1 parts by weight, it will be difficult to agglomerate, and if it exceeds 10 parts by weight, the stability of the latex will be insufficient and the polymerization scale may increase.
- the water-soluble electrolyte (f) is added during the polymerization of the monomer (d) and / or the vinyl monomer (e).
- the monomer (d) and / or the bull monomer ( e ) is particularly limited as long as it is being polymerized in the presence of the polyorganosiloxane ( a ).
- the addition time is too early, the impact resistance of the final molded product tends to be difficult, and if the addition time is too late, cohesive enlargement may not occur easily.
- the final volume average particle diameter of the polyonoreganosiloxane-containing graft polymer after polymerization is 0.01 to 0.6 / im.
- the impact strength of the final molded product obtained from the resin composition of the present invention is greatly influenced by the particle size of the polyonoreganosiloxane-containing graft polymer, and the volume average particle size is less than 0 ⁇ 01 ⁇ . On the other hand, if it exceeds 0.6 ⁇ ⁇ , the impact strength of the molded product obtained from the resin composition tends to be greatly reduced when blended with a thermoplastic resin.
- the volume average particle diameter of the graft polymer is preferably from 0.06 to 0.2 zm, more than force S.
- the grafted polyonoleganosiloxane-containing graft weight was increased by adding the water-soluble electrolyte according to the present invention rather than the usual polyorganosiloxane-containing graft polymer produced without the enlargement operation. The union can improve the impact strength of the final compact.
- the polyonoreganosiloxane-containing graft polymer obtained as described above (A)
- a method for separating the polymer from the latex for example, calcium chloride or magnesium chloride is added to the latex.
- examples include a method of coagulating latex by adding a metal salt such as sulfur or magnesium sulfate, and then separating, washing, dehydrating and drying the polymer by post-treatment. Spray drying can also be used.
- the polyorganosiloxane-containing graft polymer (A) thus obtained can be blended in various thermoplastic resins.
- the blending amount is preferably 0.3 to 10% by weight, more preferably 0.5 to 9% by weight.
- the inorganic filler (C) may be blended with 0.2 to 50% by weight, further 1 to 30% by weight, especially 2 to 15% by weight. Preferable (however, A + B or A + B + C together is 100% by weight).
- the amount of the polyorganosiloxane-containing graft polymer (A) is less than the above range, the resulting impact resistance improvement effect will be small.On the other hand, if it exceeds the above range, the flexural modulus of the final molded product will be the original thermoplasticity. It may be as low as the resin.
- thermoplastic polyester resin is particularly preferable as the thermoplastic resin.
- the blending amount of the polyorganosiloxane-containing graft polymer (A) is preferably within the above range.
- a thermoplastic polyester resin 0.5 to 9% by weight, further 2 to 8% by weight, In particular, 5 to 8% by weight is preferable.
- the thermoplastic polyester resin (B) is 99.5 to 91% by weight. If these components are within the above ranges, the excellent properties of thermoplastic polyester resins such as heat resistance, chemical resistance, mechanical properties, and electrical properties in addition to impact resistance and flexural modulus can be sufficiently exhibited. To preferred.
- the thermoplastic polyester resin (B) used in the present invention is an acid component mainly composed of a dicarboxylic acid compound and / or an ester-forming derivative of dicarboxylic acid, and a diol compound and / or Any thermoplastic polyester resin obtained by a reaction with a diol component containing an ester-forming derivative of a diol compound as a main component.
- the above-mentioned main component means that the proportion of each of the acid component or diol component is 80% by weight or more, and further 90% by weight or more, and the upper limit is 100% by weight.
- thermoplastic polyester resin (B) examples include polyethylene terephthalate, polypropylene terephthalate, polybutylene terephthalate, polyhexamethylene terephthalate, polycyclohexane-1,4-dimethyl terephthalate, neopentyl terephthalate.
- a copolymer polyester produced by using two or more acid components and / or diol components used in the production of these resins may be mentioned.
- thermoplastic polyester resins may be used alone or in combination of two or more of those having different compositions or components and different Z or intrinsic viscosities.
- polyester resins polyethylene terephthalate, polybutylene terephthalate, polycyclohexane 1,4-dimethyl terephthalate, and polyethylene naphthalate are preferable from the viewpoint of strength, elastic modulus, cost, and the like.
- examples of the inorganic filler (C) used in the resin composition with a thermoplastic resin include, for example, calcium carbonate, talc, mica, aluminum oxide, magnesium hydroxide. Boron nitride, beryllium oxide, calcium silicate, clay and the like.
- silicates phosphates such as zirconium phosphate, titanates such as potassium titanate, tungstates such as sodium tungstate, uranates such as sodium uranate, vanadate such as potassium vanadate,
- a layered compound such as molybdate such as magnesium molybdate, niobate such as potassium niobate, graphite, or the like for treatment for improving dispersibility.
- layered compound subjected to the treatment for improving the dispersibility include montmorillonite, bentonite, hectorite, layered silicates such as swellable mica having sodium ions between layers, polyoxyethylene And polyoxyalkylene compounds such as polyoxyethylene and polyoxypropylene copolymers, which are obtained by treating a polyether compound having a cyclic hydrocarbon group in the side chain and / or main chain thereof can be used.
- the blending amount of the inorganic filler (C) used in the present invention is less than 0.2% by weight, the bending elastic modulus and the heat resistance improving effect of the thermoplastic resin and further the thermoplastic polyester resin are small. There is a case. If it exceeds 50% by weight, the surface appearance of the molded product may be impaired.
- thermoplastic resin composition or the thermoplastic polyester resin composition of the present invention is not particularly limited.
- the thermoplastic resin can be used in various general kneaders. Can be melt kneaded together with other components.
- the kneader include a single screw extruder, a twin screw extruder, a roll, a Banbury mixer, and a kneader. A kneader with high shear efficiency is particularly preferable.
- thermoplastic resin, inorganic filler, and polyorganosiloxane-containing graft polymer may be charged into the kneader and melt-kneaded, or may be pre-molten thermoplastic polyester resin and polyonoreganosiloxane-containing.
- An inorganic filler may be added to the graft polymer and melt kneaded.
- thermoplastic resin composition or the thermoplastic polyester resin composition of the present invention includes any other thermoplastic resin or thermosetting resin as long as it does not impair mechanical properties and the like, if necessary.
- unsaturated polyester resin, polyester carbonate resin, liquid crystal polyester resin, polyolefin resin, polyamide resin, rubbery polymer reinforced styrene resin, polyphenylene sulfide resin, polyphenylene ether resin, polyacetal resin, polysulfone resin, and Polyarylate resins and the like can be used alone or in combination of two or more.
- additives such as pigments and dyes, heat stabilizers, antioxidants, ultraviolet absorbers, light stabilizers, lubricants, plasticizers, flame retardants, and antistatic agents are added. be able to.
- the resin composition obtained in the present invention can be used for professional molding which may be molded by injection molding or hot press molding.
- the resulting molded article is excellent in appearance, and excellent in mechanical properties and heat distortion resistance. Therefore, it is suitably used for, for example, automobile parts, household electrical product parts, household daily goods, packaging materials, and other general industrial materials.
- the latex was dried with a hot air dryer at 120 ° C. for 1 hour to determine the amount of solid components, and calculated as 100 X solid-form amount / charged monomer amount (%).
- volume average particles of seed polymer, polyorganosiloxane particles and graft polymer The diameter was measured in the latex state. Using a MICROTRAC UPA manufactured by LEED & NORTHHRUP INSTRUMENTS as a measuring device, the volume average particle diameter ( ⁇ ) was measured by a light scattering method.
- the prepared polyorganosiloxane latex was added to about 3 to 5 times the amount of isopropyl alcohol while stirring, and the emulsion was broken and solidified to obtain a siloxane polymer. This was washed with water and then dried under reduced pressure at 80 ° C. for 10 hours. Thereafter, about 1 g of polymer was precisely weighed, immersed in about 30 g of toluene, and allowed to stand at 25 ° C. for 100 hours to swell the toluene in the polymer. Next, the remaining toluene was separated and removed by decantation, and precisely weighed. Then, the residue was dried under reduced pressure at 80 ° C. for 16 hours, and the absorbed toluene was removed by evaporation and weighed again. The degree of swelling was calculated by the following formula.
- Swelling degree ((swelled polymer weight)-(dry polymer weight weighed again)) / (dry polymer weight weighed again).
- a homomixer containing a mixture of 150 parts by weight of pure water, 0.5 parts by weight of SDBS (solid content), 98 parts by weight of otamethylcyclotetrasiloxane, and 3 parts by weight of methacryloxypropylmethyldimethoxysilane (DSMA)
- the emulsion obtained by stirring at 7000 rpm for 5 minutes was added continuously for 3 hours. After completion of the addition, stirring was continued at 80 ° C for 2 hours, and then cooled to 25 ° C and left for 20 hours. Thereafter, the pH was adjusted to 6.4 with sodium hydroxide to complete the polymerization, and a polyorganosiloxane latex (R1) was obtained.
- Table 1 shows the volume average particle size and the degree of swelling of this Lux.
- a mixture of 2 parts by weight of glycidyl methacrylate and 0.06 part by weight of cumene hydride peroxide was added dropwise over 1 hour, and stirring was continued for 1 hour after the addition was completed to obtain a graft polymer latex.
- Table 2 shows the 10 wt / ⁇ & SO aqueous solution during the dropping of the mixture (30 minutes after the start of dropping).
- Ion-exchanged water and swellable mica (trade name: Somasif ME 100, manufactured by Co-op Chemical Co., Ltd.) were mixed. Then, a polyethery compound (trade name: Bisol 18EN, manufactured by Toho Chemical Co., Ltd.) was added, and the mixture was processed by continuing mixing for 15 to 30 minutes. Thereafter, powdered and inorganic filler treated with a polyether compound was obtained.
- thermoplastic polyester resin manufactured by Kanebo Co., Ltd., trade name: Belpet EFG85A
- inorganic filler 10 parts by weight of inorganic filler
- a thermoplastic polyester resin composition was obtained by melt kneading using a twin-screw extruder (manufactured by Nippon Steel Co., Ltd., TEX44), and physical properties were evaluated. The results are shown in Table 2.
- DBSA dodecylbenzenesulfonic acid
- a polyester resin composition was obtained in the same manner as in the examples, and the physical properties were evaluated. The results are shown in Table 2.
- thermoplastic polyester resin manufactured by Kanebo Co., Ltd., trade name: Belpet EFG85A
- twin screw extruder manufactured by Nippon Steel Co., Ltd., TEX44
- the invention of the present application can improve the impact resistance and the flexural modulus of the thermoplastic polyester resin.
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JPH11100481A (ja) * | 1997-07-29 | 1999-04-13 | Kanegafuchi Chem Ind Co Ltd | グラフト共重合体粒子および熱可塑性樹脂組成物 |
JPH11189607A (ja) * | 1997-12-26 | 1999-07-13 | Kanegafuchi Chem Ind Co Ltd | 架橋樹脂粒子の製法 |
JP2000302941A (ja) * | 1999-04-21 | 2000-10-31 | Kanegafuchi Chem Ind Co Ltd | 耐衝撃性樹脂組成物 |
JP2001106863A (ja) * | 1999-10-06 | 2001-04-17 | Kanegafuchi Chem Ind Co Ltd | グラフト共重合体組成物 |
JP2002173501A (ja) * | 2000-12-05 | 2002-06-21 | Kanegafuchi Chem Ind Co Ltd | ゴム変性樹脂およびそれを含有する熱可塑性樹脂組成物 |
JP2003012910A (ja) * | 2001-06-27 | 2003-01-15 | Kanegafuchi Chem Ind Co Ltd | ポリカーボネート系難燃性樹脂組成物 |
JP2003089749A (ja) * | 2001-09-18 | 2003-03-28 | Kanegafuchi Chem Ind Co Ltd | 難燃性ポリカーボネート樹脂組成物 |
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2005
- 2005-11-10 WO PCT/JP2005/020616 patent/WO2006054477A1/ja active Application Filing
- 2005-11-10 JP JP2006544949A patent/JPWO2006054477A1/ja active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH10218951A (ja) * | 1997-02-04 | 1998-08-18 | Kanegafuchi Chem Ind Co Ltd | 架橋樹脂粒子の製法およびそれからえられた架橋樹脂粒子、ならびにそれを含有してなる熱可塑性樹脂組成物 |
JPH11100481A (ja) * | 1997-07-29 | 1999-04-13 | Kanegafuchi Chem Ind Co Ltd | グラフト共重合体粒子および熱可塑性樹脂組成物 |
JPH11189607A (ja) * | 1997-12-26 | 1999-07-13 | Kanegafuchi Chem Ind Co Ltd | 架橋樹脂粒子の製法 |
JP2000302941A (ja) * | 1999-04-21 | 2000-10-31 | Kanegafuchi Chem Ind Co Ltd | 耐衝撃性樹脂組成物 |
JP2001106863A (ja) * | 1999-10-06 | 2001-04-17 | Kanegafuchi Chem Ind Co Ltd | グラフト共重合体組成物 |
JP2002173501A (ja) * | 2000-12-05 | 2002-06-21 | Kanegafuchi Chem Ind Co Ltd | ゴム変性樹脂およびそれを含有する熱可塑性樹脂組成物 |
JP2003012910A (ja) * | 2001-06-27 | 2003-01-15 | Kanegafuchi Chem Ind Co Ltd | ポリカーボネート系難燃性樹脂組成物 |
JP2003089749A (ja) * | 2001-09-18 | 2003-03-28 | Kanegafuchi Chem Ind Co Ltd | 難燃性ポリカーボネート樹脂組成物 |
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