WO2004096908A1 - 塩素化塩化ビニル系樹脂組成物 - Google Patents
塩素化塩化ビニル系樹脂組成物 Download PDFInfo
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- WO2004096908A1 WO2004096908A1 PCT/JP2004/005578 JP2004005578W WO2004096908A1 WO 2004096908 A1 WO2004096908 A1 WO 2004096908A1 JP 2004005578 W JP2004005578 W JP 2004005578W WO 2004096908 A1 WO2004096908 A1 WO 2004096908A1
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- vinyl chloride
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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
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/22—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers modified by chemical after-treatment
- C08L27/24—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers modified by chemical after-treatment halogenated
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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
- C08L23/28—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 by reaction with halogens or compounds containing halogen
- C08L23/286—Chlorinated polyethylene
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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
- C08L51/04—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 rubbers
Definitions
- the present invention relates to a chlorinated vinyl chloride resin composition, particularly to a chlorinated vinyl chloride resin composition having an excellent balance of impact strength, heat resistance and moldability, and having good surface properties when injection molded into a joint or the like. . Background art
- Molded products of chlorinated vinyl chloride resin have the characteristic of high heat resistance, and are used for applications at relatively high temperatures where conventional molded products of vinyl chloride resin cannot be used due to heat deformation. ing.
- the heat distortion temperature is 20 to 40 ° C higher than that of a butyl chloride resin molded product, it can be used as a pipe for hot water and its joints, or as a sheet for household appliances that are heated. And the like.
- compositions have an effect of improving impact resistance, but have a problem of moldability such as burning due to high melt viscosity at the time of molding. Furthermore, when injection molding of a joint or the like is performed with these blends, there is a problem that the surface becomes cloudy and a molded product having good surface properties cannot be obtained.
- Japanese Patent Publication No. Sho 49-180102 states that ABS resin and / or Or, it is proposed to blend MBS resin and chlorinated polyethylene, and US Pat. No. 5,194,471 discloses that the drop weight strength of a pipe described in ASTM D2846 at low temperature can be reduced.
- These chlorinated vinyl chloride resin compositions have improved moldability, such as burning, and have an effect of improving impact resistance.However, when these compounds are applied to injection molding of joints, etc.
- a chlorinated vinyl chloride-based resin composition that does not solve the problem of fogging on the surface of the molded body, maintains heat resistance, impact strength and moldability, and can obtain good surface properties in injection molding of joints and the like. It has been desired.
- the present inventors have conducted various studies on chlorinated vinyl chloride resin compositions, and have investigated the impact modifier, the chlorinated polyethylene, the average degree of polymerization of the chlorinated vinyl chloride resin, and, if necessary, Addition of acryl-based vinyl chloride-based resin for improving processability is combined with chlorinated vinyl chloride-based resin composition for injection molding of joints, etc. Unexpectedly, the present inventors have found that there is an effect of obtaining good surface properties while maintaining heat resistance, impact resistance and formability, and completed the present invention.
- the present invention provides: 1) an MBS resin based on 100 parts by weight of a chlorinated vinyl chloride resin obtained by post-chlorinating a vinyl chloride resin to a chlorine content of 62 to 70% by weight. 2 to 9 parts by weight, 0.5 to 3 parts by weight of chlorinated polyethylene, a chlorinated vinyl chloride-based resin composition suitable for injection molding, further comprising 2) A chlorinated vinyl chloride resin composition containing 0.5 to 3 parts by weight of an acrylic resin for improving the workability of vinyl chloride chloride.3) Chlorinated vinyl chloride resin having an average degree of polymerization of 65 or less.
- the use of a chlorinated vinyl chloride-based resin obtained by post-chlorination to an amount of 67 to 69% by weight is described above.
- the butadiene content of the MBS resin is 6 0% by weight or more of the above chlorinated vinyl chloride resin composition; 5) Chlorinated polyethylene containing chlorine Is from 20 to 45% by weight; 6) an acrylic vinyl chloride processability improving resin whose main component is polymethyl methacrylate, and 0.4 g of benzene 1
- the chlorinated vinyl chloride-based resin composition has a point of not less than 105 ° C.
- the polybutadiene content is at least 1 part by weight and at most 6 parts by weight based on 100 parts of the chlorinated vinyl chloride-based resin.
- the present invention relates to the chlorinated vinyl chloride resin composition according to any one of the above 2 to 7, and 9) the chlorinated vinyl chloride resin composition used for a heat-resistant joint.
- the chlorinated vinyl chloride-based resin used in the present invention generally uses a chlorinated vinyl chloride-based resin as a raw material, supplies chlorine in a state where the vinyl chloride-based resin is dispersed in an aqueous medium, and irradiates it with a mercury lamp, Chlorination in an aqueous medium such as chlorination by heating or chlorination in the presence of a catalyst, chlorination in a gas phase such as chlorination of vinyl chloride resin in a gas phase or irradiation with a mercury lamp It is manufactured by a method such as
- the average degree of polymerization of the vinyl chloride resin before chlorination, which is the raw material, is usually 1500 or less, It is preferably at most 600 and more preferably at least 400.
- the chlorination degree of the chlorinated vinyl chloride resin is usually 62 to 70% by weight, preferably 67 to 69% by weight. If the average degree of polymerization exceeds 150, the processability is poor, and if the average degree of polymerization is less than 400, the impact resistance tends to decrease, which is not preferable. If the chlorination degree is 62% by weight or less, a composition having sufficient heat resistance cannot be obtained. On the other hand, if the chlorination degree exceeds 70% by weight, the melt viscosity increases, and Processing of the composition is not preferred because it involves technical difficulties.
- the average degree of polymerization and the degree of chlorination by setting the average degree of polymerization to be 65 or less and the degree of chlorination to be 67 to 69% by weight, particularly good surface properties and high heat resistance can be obtained. This is more preferable because a chlorinated vinyl chloride resin composition for use in injection molding can be obtained.
- the raw vinyl chloride resin include vinyl chloride homopolymer and vinyl chloride and other copolymerizable monomers such as ethylene, propylene, vinyl acetate, aryl chloride, aryl glycidyl ether, and ataryl. Includes copolymers with acid esters, butyl ethers and the like.
- the present invention provides a chlorination for injection molding comprising 2 to 9 parts by weight of MBS resin and 0.5 to 3 parts by weight of chlorinated polyethylene based on 100 parts by weight of chlorinated butyl chloride resin. It is a vinyl chloride resin composition.
- the above MBS resin is a methyl methacrylate butadiene-styrene-based polymer, characterized by using 2 to 9 parts by weight, preferably 2 to 7 parts by weight, more preferably 2 to 5 parts by weight. Part. If the amount of the MBS resin is less than 2 parts by weight, the impact resistance of the molded article will be reduced, and if it is more than 9 parts by weight, the heat resistance, which is a property of the chlorinated vinyl chloride resin, will be reduced.
- MBS particles B56, B564, B12, B22, B31, B52, B58 manufactured by Kanegafuchi Chemical Co., Ltd., and ⁇ ⁇ manufactured by Kureha Co., Ltd. ⁇ ⁇ ⁇ and the like are known.
- MBS resin is added to maintain high impact strength, but its impact strength generally depends on the polybutadiene content relative to the chlorinated vinyl chloride resin. Conversely, heat resistance and moldability tend to decrease depending on the polybutadiene content. Therefore, paying attention to the butadiene content in the MBS resin, Is preferred.
- the polybutadiene content in the present invention is not particularly limited as long as it does not impair the essence of the present invention, but the preferred range is 1% by weight or more and 6% by weight or less based on the chlorinated vinyl chloride resin.
- the polybutadiene content relative to the chlorinated vinyl chloride resin is in the range of 1% by weight to 6% by weight, since the impact resistance and heat resistance of the molded product can be balanced.
- the polybutadiene content relative to the chlorinated vinyl chloride resin is 1.5% by weight or more and 5% by weight or less, more preferably 1.8% by weight. / 0 to 4% by weight, particularly preferably 2.0% to 3.5% by weight, in addition to the impact resistance and heat resistance of the molded article, the chlorinated vinyl chloride resin composition Is preferred because of its excellent fluidity.
- MBS resins the use of an MBS resin having a butadiene content of more than 60% by weight in the resin is preferable because the impact resistance is improved while maintaining the heat resistance of the molded article.
- MBS are B56 and B564 manufactured by Kanegafuchi Chemical Industry Co., Ltd. and ⁇ manufactured by Kureha Corporation.
- the chlorinated vinyl chloride resin composition of the present invention comprises chlorinated polyethylene in addition to the above-mentioned MBS resin.
- the chlorinated polyethylene is a post-chlorinated polyethylene having a chlorine content of 20 to 45% by weight, preferably 30 to 40%, and these chlorinated polyethylenes are H135, Du There are known Tyrin 361 5 and Tyrin 361 1 manufactured by Pont Dow E lastomer or Eraslen 301A manufactured by Showa Denko. If the chlorine content is less than 20%, the heat resistance of the composition decreases, and if the chlorine content exceeds 45%, processing of the composition involves technical difficulties. In the present invention, it is essential to contain 0.5 to 3 parts by weight of the above-mentioned chlorinated polyethylene.
- a chlorinated vinyl chloride resin composition having extremely excellent impact resistance and extremely excellent melt processing characteristics while maintaining heat resistance can be obtained. If the amount of chlorinated polyethylene to be mixed is less than 0.5 part by weight, the impact resistance of the pipe will not be remarkably improved, and if it exceeds 3 parts by weight, the properties of the chlorinated polyvinyl chloride resin will be possessed. Heat resistance decreases. When the content of the chlorinated polyethylene is 1 to 3 parts by weight, the above-mentioned properties are remarkably exhibited, so that it is preferable.
- Acrylic-based resin for improving processability of chloride chloride is a resin having improved processability of chloride-based chloride containing polymethylmethacrylate as a main component.
- PA10, PA20, PA30, etc. manufactured by Co., Ltd. are known.
- Chlorinated chlorinated vinyl chloride resin compositions containing MBS resin, chlorinated polyethylene and the like to increase the impact strength tend to have poor moldability, especially surface properties. The reason for this is not clear, but with the addition of rubbers, the melt viscosity increases, shear heat during molding becomes noticeable, and low-boiling substances in the composition tend to volatilize. It is considered that the film adheres to the surface of the glass and causes problems such as fogging.
- an acrylic vinyl chloride processability improving resin is added to a chlorinated vinyl chloride resin in order to improve the surface properties, or It is preferable to use a chlorinated vinyl chloride resin obtained by post-chlorinating a vinyl chloride resin having an average degree of polymerization of 65 or less to a chlorine content of 67 to 69% by weight.
- the content of the acrylic resin for improving processability of vinyl chloride is preferably 0.5 to 3 parts by weight.
- a chlorinated vinyl chloride resin composition having excellent surface properties with no surface fogging while maintaining heat resistance can be obtained.
- the amount of the acryl-based vinyl chloride processability improving resin to be blended is less than 0.5 part by weight, the surface fogging is not significantly improved, and when the amount exceeds 3 parts by weight, the properties of the chlorinated vinyl chloride-based resin are reduced. It is not preferable because certain heat resistance is lowered.
- a resin for improving the processability of chloride chloride since the fogging of the surface can be improved without increasing the melt viscosity so much, and the thermal stability during processing can be maintained.
- Such an aku PA10 and PA20 manufactured by Kanegafuchi Chemical Co., Ltd. are known as rill-based resins for improving the workability of chloride chloride.
- a stabilizer, a lubricant, a filler, a pigment, etc. used in a general chlorinated vinyl chloride-based resin composition can achieve the object of the present invention. It can be added within the range and used as a joint for hot water and a joint for high-temperature chemicals.
- the composition to which an acrylic vinyl chloride processability improving resin is added has an impact strength, heat resistance, and moldability almost equal to those of the conventional composition, and the surface properties are improved. Because of its superiority, it is suitable for a wide range of applications, from thin and small injection molded products to thick and large injection molded products. Further, among the chlorinated vinyl chloride resin compositions, a composition having a low impact strength but excellent moldability is suitably used for a thick injection molded product.
- the chlorinated vinyl chloride resin having a degree of polymerization of 700 was post-chlorinated to obtain a chlorinated vinyl chloride resin having a chlorination degree of 66%.
- this chlorinated vinyl chloride resin 4 parts of 856 (MBS resin manufactured by Kanegafuchi Chemical Industry Co., Ltd.) having 70% by weight of butadiene in the entire MBS resin as a shock absorber, 2 parts of HI35 (chlorinated polyethylene manufactured by Daiso Corporation) with a chlorine content of 35%, mainly composed of polymethyl methacrylate, and 0.4 g of gram when dissolved in 10 Om1 of benzene Specific viscosity at 0 ° ⁇ 0.99?
- A10 (Kanebuchi Chemical Co., Ltd. resin for improving processability of vinyl chloride) 1 part by weight, 3.5 parts of tin-based stabilizer, 1 part of antioxidant, 3.5 parts of lubricant, 4 parts of titanium dioxide 0.04 parts of carbon plaque were added.
- This blend was blended with a Henschel mixer to obtain a uniform blend.
- ' ' This blend was kneaded with an 8-inch roll at 200 ° C for 3 minutes, pressed with a press machine at 20.0 ° C for 10 minutes, and then cut to obtain a test piece.
- the Charpy impact test value was 49 kg ⁇ cm / cm2.
- the Vicat softening point under a 1 kg load according to JISK 7206 was 109 ° C
- the Vicat softening point under a 5 kg load was 100 ° C.
- the mixture was pelletized at a die temperature of 190 ° C. using a 5 Omm single screw extruder.
- the flow value of the Koka type B method of this pellet at a nozzle of 1 ⁇ and a length of 10 mm at a load of 300 kg at 205 ° C. was 0.012 c c / sec.
- this pellet was used under the conditions of a nozzle temperature of 190 ° C, a cylinder tip temperature of 185 ° C, and a mold temperature of 40 ° C. Injection molding of inch joints resulted in joints with very good surface properties.
- the impact strength is evaluated by a Charpy impact test value, and is preferably 15 kg * cm / cm 2 or more. If it is less than 15 kg * cm, cm 2 , problems such as cracks will occur during the processing of the compact.
- the heat resistance is evaluated at the Vicat softening point of a 5 kg load based on the JIS standard, and 95 ° C or more is essential. In actual use after construction, the higher the heat resistant temperature is, the less the problem such as swelling when passing through hot water or chemicals is more preferable.
- the fluidity is evaluated by the flow value of the Koka type B method, which indicates the good flow in the mold during injection molding. If the value is high for a chlorinated vinyl chloride resin composition for heat-resistant joints, Higher is more preferable, but as a composition for ordinary heat-resistant joints, in order to have good flowability in injection molding, it is preferable that the flow value of the Koka type B method is 0.008 cZ or more. .
- Example 2 The surface properties of the joints were visually judged as good or not depending on whether or not there was fogging, and judged as fogging. • These determinations are the same for the following Examples 2 to 9 and Comparative Examples 1 to 4. . (Example 2)
- Example 1 Except for using 3 parts of 3 ⁇ 8 S resin and 3 parts of HI 35 whose butadiene content in the total MBS resin is 70% by weight, the same formulation as in Example 1 was used. To obtain a uniform blend.
- This blended composition was kneaded with an 8-inch roll at 200 ° C for 3 minutes, pressed with a press machine at 20 ° C for 10 minutes, and then cut to obtain a specimen.
- the Charpy impact test value was 37. kg ⁇ cc m2, Vicat softening point at 1 kg load is 110 ° C, Vicat softening point at 5 kg load is 99. C.
- the blended composition was kneaded with an 8-inch roll at 200 ° C for 3 minutes, pressed with a press machine at 200 ° C for 10 minutes, and then cut to obtain a test piece.
- the Charpy impact test value was 371. ⁇ ⁇ * 0; 111 0; 1112, the Vicat softening point under 1 kg load was 110 ° C, and the Vicat softening point under 5 kg load was 100 ° C.
- Example 2 Using 2 parts of TYR IN 3615 P (chlorinated polyethylene manufactured by DuPont Dow E 1 astomer) with a chlorine content of 36%, and blending in the same manner as in Example 1 except that HI 35 was not used. The blend was blended with a Henschel mixer to obtain a uniform blend.
- the Charpy impact test value when this blended compound was kneaded for 3 minutes with an 8-inch roll at 200 ° C for 10 minutes with a press machine at 200 ° C for 10 minutes to obtain a test piece was It was 45 kg ⁇ cm2 cm2, the Vicat softening point under ikg load was 109 ° C, and the Vicat softening point under 5 kg load was 100 ° C.
- Example 2 Without using titanium dioxide and carbon black, 0.16 parts of a brown pigment (BROWN D-8828 manufactured by Dainippon Ink and Chemicals, Inc.) was used in the same manner as in Example 1, except that 0.1 part of the mixture was used. A blend was obtained by kneading with a 8 inch roll at 200 ° C for 3 minutes, and pressing for 10 minutes with a press machine at 200 ° C, followed by cutting. The Charpy impact test value when the test piece was obtained was 59 kgcm / cm2, the Vicat softening point under a 1 kg load was 109 ° C, and the Vicat softening point under a 5 kg load was 99 ° C. Was.
- BROWN D-8828 manufactured by Dainippon Ink and Chemicals, Inc.
- a vinyl chloride resin having a polymerization degree of 700 was post-chlorinated, and 100 parts of a chlorinated vinyl chloride resin having a chlorination degree of 67% was used.
- This blended composition was kneaded for 3 minutes with an 8-inch roll at 200 ° C, pressed for 10 minutes with a press machine at 200 ° C, and cut to obtain a test piece. 49 kgcm / cm2, Vicat softening point at 1 kg load was 113 ° C and the Vicat softening point under a 5 kg load was 102 ° C.
- Example 1 was repeated except that PA10, a processability improver, was not added using 100 parts of a chlorinated vinyl chloride resin having a degree of chlorination of 68% obtained by post-chlorination of a vinyl chloride resin having a polymerization degree of 600. This was blended in the same manner as in Example 1, and this blend was blended with a Henschel mixer to obtain a uniform blend.
- PA10 a processability improver
- This blended composition was kneaded for 3 minutes with an 8-inch roll at 200 ° C, pressed for 10 minutes with a press machine at 200 ° C, and cut to obtain a specimen.
- the Charpy impact test value was 33. kg-cmZcmS, the Vicat softening point under a 1 kg load was 118 ° C, and the Vicat softening point under a 5 kg load was 107 ° C.
- This blended composition was kneaded with an 8-inch roll at 200 ° C for 3 minutes, pressed with a press machine at 200 ° C for 10 minutes, and then cut to obtain a test piece.
- kg ⁇ cc m2 the Vicat softening point under lkg load was 118 ° C, and the Vicat softening point under 5 kg load was 106 ° C.
- PA20 (Kanebuchi Chemical Co., Ltd.) was used instead of PA10, a processability improver, using 100 parts of a chlorinated butyl chloride resin with a chlorination degree of 68% obtained by post-chlorination of a vinyl chloride resin with a polymerization degree of 600
- Compound 1 was added in the same manner as in Example 1 except that 1 part of a resin for improving processability of chloride chloride (manufactured by Kogyo Co., Ltd.) was added. This compound was blended with a Henschel mixer to obtain a uniform compound.
- This blended composition was kneaded with an 8-inch roll at 200 ° C for 3 minutes, pressed with a press machine at 200 ° C for 10 minutes, and then cut to obtain a test piece.
- kg ⁇ cm / cm2 the Vicat softening point under a 1 kg load was 118 ° C, and the Vicat softening point under a 5 kg load was 106 ° C.
- the MB MB S resin butadiene content is 46 weight 0/0 in S resin, similarly formulated as in Example 8 other than using 6 parts by weight, uniform performs Purendo Te this formulation Henschel mixer A good formulation was obtained.
- This blended composition was kneaded with an 8-inch low at 200 ° C for 3 minutes, pressed with a press machine at 200 ° C for 10 minutes, and then cut to obtain a test piece.
- the Charpy impact test value was 29. kg ⁇ cm / cm2, the Vicat softening point under a 1 kg load was 116 ° C, and the Vicat softening point under a 5 kg load was 104 ° C.
- the MBS resin was blended in the same manner as in Example 10 except that 4 parts by weight of the MBS resin containing 46% by weight of butadiene in the MBS resin was used.
- the blend was blended with a Henschel mixer to obtain a uniform blend. I got something.
- This blended composition was kneaded for 3 minutes with an 8-inch roll at 200 ° C, pressed for 10 minutes with a press machine at 200 ° C, and cut to obtain a test piece. 20 kg ⁇ cm / cm2, the Vicat softening point under a 1 kg load was 118 ° C, and the Vicat softening point under a 5 kg load was 106 ° C.
- the Charpy 'impact test value when this blended composition was kneaded for 3 minutes with an 8-inch roll at 200 ° C and pressed for 10 minutes with a press machine at 200 ° C to obtain a test piece was obtained. It was 45 kg ⁇ cm / cm2, the Vicat softening point at 1 kg load was 110 ° C, and the Vicat softening point at 5 kg load was 99 ° C.
- Example 2 Except for excluding the resin for improving the processability of chlorinated vinyl, the same formulation as in Example 1 was used. The blend was blended with a Henschel mixer to obtain a uniform blend.
- This blended composition was kneaded for 3 minutes with an 8-inch roll at 200 ° C, pressed for 10 minutes with a press machine at 200 ° C, and then cut to obtain a test piece.
- the test value is 39 kg ⁇ cm / cm2
- the Vicat softening point at 1 kg load is 109 ° C
- the Vicat softening point at 5 kg load is 99. C.
- This blended composition was kneaded for 3 minutes with an 8-inch roll at 200 ° C, pressed for 10 minutes with a press machine at 200 ° C, and then cut to obtain a test piece.
- the test value was 4 1 kg ⁇ cm / cm2, and the Vicat softening point at 1 kg load was 1 14. C, the Vicat softening point under a load of 5 kg was 103 ° C.
- This blended composition was kneaded with an 8-inch roll at 200 ° C for 3 minutes, pressed with a press machine at 200 ° C for 10 minutes, and then cut to obtain a test piece.
- kg ⁇ cm / cm2 the Vicat softening point under a 1 kg load was 113 ° C, and the Vicat softening point under a 5 kg load was 103 ° C.
- This blended composition was kneaded with an 8-inch roll at 200 ° C for 3 minutes, pressed with a press machine at 200 ° C for 10 minutes, and then cut to obtain a test piece.
- kg ⁇ cm / cm2 the Vicat softening point under a 1 kg load was 115 ° C, and the Vicat softening point under a 5 kg load was 104 ° C.
- This blend was kneaded for 3 minutes on an 8-inch roll at 200 ° C,
- the Charpy impact test value when a test piece was obtained by cutting after pressing for 10 minutes with a 0 ° C press machine was 29 kgcm / cm2, and the Vicat softening point under a 1 kg load was 1 15 Vicat softening point at 104 ° C, 5 kg load is 104. C.
- the composition was the same as in Comparative Example 4, except that the MBS resin of Comparative Example 4 was replaced by 5 parts by weight of MBS resin, which contained 70% by weight of butadiene in the entire MBS resin.
- the product was blended with a Henschel mixer to obtain a uniform blend.
- This blend was kneaded for 3 minutes with a 200-inch roll of 200, pressed for 10 minutes with a press machine of 200, and cut to obtain a test piece. / cm2, the Vicat softening point under a load of 1 kg was 115, and the Vicat softening point under a load of 5 kg was 103 ° C.
- Comparative Example 7 4 parts by weight of an MBS resin having a butadiene content of 70% by weight in the entire MBS resin, and 3 parts by weight of HI 35 (chlorinated polyethylene manufactured by Daiso) having a chlorine content of 35% A blend was prepared in the same manner as in Comparative Example 7, except that the blend was used. This blend was blended with a Henschel mixer to obtain a uniform blend.
- HI 35 chlorinated polyethylene manufactured by Daiso
- This blend was kneaded for 3 minutes with an 8-inch roll at 200 ° C, pressed for 10 minutes with a press machine at 200 ° C, and cut to obtain a test piece. Is 55 kgc / cm2, Vicat softening at 1 kg load The point was 114 ° C and the Vicat softening point at 5 kg load was 103 ° C.
- Table 1 shows the results of Examples 1 to 11 above, and Table 1 shows the results of Comparative Examples 1 to 8.
- chlorinated vinyl chloride-based resin composition of the present invention it is possible to obtain an injection molded article having good surface properties without fogging on the surface while maintaining heat resistance, impact strength and moldability. Useful for applications such as joints.
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CA002523229A CA2523229A1 (en) | 2003-04-25 | 2004-04-19 | Chlorinated vinyl chloride resin composition |
US10/553,733 US7332544B2 (en) | 2003-04-25 | 2004-04-19 | Chlorinated vinyl chloride resin composition |
JP2005505843A JPWO2004096908A1 (ja) | 2003-04-25 | 2004-04-19 | 塩素化塩化ビニル系樹脂組成物 |
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CN105670187A (zh) * | 2016-04-11 | 2016-06-15 | 叶青 | 一种高强度耐腐蚀cpvc管材配方 |
WO2017145864A1 (ja) * | 2016-02-25 | 2017-08-31 | 株式会社カネカ | 塩素化塩化ビニル系樹脂の製造方法 |
WO2019065742A1 (ja) * | 2017-09-27 | 2019-04-04 | 積水化学工業株式会社 | 成形用樹脂組成物 |
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CN104011131A (zh) * | 2011-11-29 | 2014-08-27 | 德山积水工业株式会社 | 挤压成型用氯化氯乙烯树脂组合物 |
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- 2004-04-19 CA CA002523229A patent/CA2523229A1/en not_active Abandoned
- 2004-04-19 CN CNB2004800157356A patent/CN100379817C/zh not_active Expired - Fee Related
- 2004-04-19 US US10/553,733 patent/US7332544B2/en not_active Expired - Lifetime
- 2004-04-19 JP JP2005505843A patent/JPWO2004096908A1/ja not_active Withdrawn
- 2004-04-23 TW TW093111502A patent/TW200427765A/zh unknown
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2017145864A1 (ja) * | 2016-02-25 | 2017-08-31 | 株式会社カネカ | 塩素化塩化ビニル系樹脂の製造方法 |
CN108602911A (zh) * | 2016-02-25 | 2018-09-28 | 株式会社钟化 | 氯化氯乙烯系树脂的制造方法 |
US10590210B2 (en) | 2016-02-25 | 2020-03-17 | Kaneka Corporation | Method for producing chlorinated vinyl chloride resin |
CN105670187A (zh) * | 2016-04-11 | 2016-06-15 | 叶青 | 一种高强度耐腐蚀cpvc管材配方 |
WO2019065742A1 (ja) * | 2017-09-27 | 2019-04-04 | 積水化学工業株式会社 | 成形用樹脂組成物 |
JPWO2019065742A1 (ja) * | 2017-09-27 | 2019-11-14 | 積水化学工業株式会社 | 成形用樹脂組成物 |
US11866574B2 (en) | 2017-09-27 | 2024-01-09 | Sekisui Chemical Co., Ltd. | Resin composition for molding |
Also Published As
Publication number | Publication date |
---|---|
JPWO2004096908A1 (ja) | 2006-07-13 |
CN1802413A (zh) | 2006-07-12 |
CN100379817C (zh) | 2008-04-09 |
US7332544B2 (en) | 2008-02-19 |
TW200427765A (en) | 2004-12-16 |
CA2523229A1 (en) | 2004-11-11 |
US20070043170A1 (en) | 2007-02-22 |
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