WO1985000824A1 - Process for producing polypropylene resin composition - Google Patents
Process for producing polypropylene resin composition Download PDFInfo
- Publication number
- WO1985000824A1 WO1985000824A1 PCT/JP1984/000403 JP8400403W WO8500824A1 WO 1985000824 A1 WO1985000824 A1 WO 1985000824A1 JP 8400403 W JP8400403 W JP 8400403W WO 8500824 A1 WO8500824 A1 WO 8500824A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- weight
- ethylene
- inorganic filler
- component
- resin composition
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
-
- 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
Definitions
- An object of the present invention is to provide a polyboiler which excels in low-temperature impact resistance, high molding fluidity and paintability, and has high rigidity.
- the present invention relates to a method for producing a ren resin composition.
- Ren resins have been widely used in various fields due to their excellent physical properties such as specific gravity, high rigidity, chemical resistance, heat resistance, etc., but have the disadvantage of low impact resistance at low temperatures. are doing.
- copolymerization with ethylene is carried out, or rubber-like substances such as ethylene-probilen copolymer or styrene are mixed. A way to do that has been done.
- various fillers are provided. It is also generally practiced to improve rigidity, heat resistance, dimensional stability, paintability, etc. by blending it with a ren resin.
- polypropylene resins are required to have conflicting physical properties such as high rigidity, high heat resistance, easy paintability, high molding fluidity and high impact resistance.
- Various properties have been proposed for these purposes at present, as advanced physical properties are being required. Most of these proposals are inadequate to cope with the advanced physical properties required in the current market and the balance of these physical properties.
- An object of the present invention is to provide a low-cost impact resistance, high molding fluidity and paintability, high rigidity, and low cost.
- Nha 0 - the full error down da one
- volume re-flop suitable for use in large molded product such as a service Play Mode Lumpur mud Pilet down resin composition It is to provide a manufacturing method.
- component a) has a weight of 65 to 95 based on the total amount of the components a) and b).
- Component b) force 35-5% by weight, component C) 2-25% by weight and component d) 0.001
- ⁇ ⁇ A method for producing a polypropylene resin composition, comprising heating a composition having 0.5% by weight at a temperature of 170 ° C. to 280 ° C.
- the crystalline, ethylene-propylene block copolymer used in the present invention has an ethylene content of 7 to 30% by weight, and a butane-insoluble content of 65% by weight to boiling n. That is all.
- the content of ethylene in the above crystalline ethylene-provylene block copolymer is less than 7% by weight, the coating properties and impact resistance of the obtained molded article are reduced. If the plasticity decreases and exceeds 30% by weight, the flexural modulus of the molded article becomes small, which is not preferable.
- the len copolymer rubber is pre-pi. It is limited to those having a Ren content of 40 to 65 weight and a Mooney viscous force at 100 ° C of 15 to 80. Prop in the above ethylene-propylene copolymer rubber. If the len content is less than 40% by weight, the appearance deteriorates, and the low-temperature impact resistance decreases. If the len content exceeds 65% by weight, the flexural modulus and paintability of the obtained molded product decrease. I don't like it. Further, an ethylene-prote having a viscosity of less than 15 or more than 80 is preferred. The len copolymer rubber is converted into the crystalline ethylene-pro.
- each dispersed ethylene-proxy When added to the Lemblock copolymer, each dispersed ethylene-proxy.
- the particle size of the len copolymer rubber is too small or too large, and the physical properties and lance of the molded article obtained are deteriorated, which is preferable.
- the blending amount of the ethylene-propylene copolymer rubber is determined based on the amount of the crystalline, crystalline ethylene-propylene copolymer and ethylene. -Prohibition. 5 to 35 parts by weight with respect to 100 parts by weight of the total amount of the copolymerized rubber,
- the amount is less than 5 parts by weight, the impact resistance and coatability of the resulting composition will decrease. If the amount exceeds 35 parts by weight, the molding fluidity and flexural modulus will decrease. Not good.
- the inorganic filler used in the present invention has a particle size of not more than n, preferably not more than 5 Am, calcium oxide, magnesium oxide, hydroxyl chloride, water, and the like.
- n preferably not more than 5 Am, calcium oxide, magnesium oxide, hydroxyl chloride, water, and the like.
- the inorganic fillers can be used alone or in combination of two or more.
- the resulting propylene oxide is obtained.
- the impact resistance of the ren resin composition is reduced.
- the particle size of inorganic fillers is commonly used, and there are defined methods such as fixed-direction diameter, fixed-direction area equidistant diameter, equal area diameter, and S to kes diameter. Measured by various measuring methods such as those found in ing.
- the particle size in the present invention is an equal area diameter determined by a light transmission method, and the measurement is carried out using, for example, a light transmission type particle size distribution measuring instrument manufactured by Silicon Corporation, model name SKC-2000 and, the particle size when 50% of the particle size cumulative distribution (. which generally are referred to as D 50) and this is used a value determined by the force ⁇ supra; ⁇ : Ru.
- the proportion of the inorganic filler having a particle size of 6 ⁇ or less depends on the crystalline ethylene-propylene block copolymer and the ethylene-propylene copolymer. It is in the range of 2 to 25 parts by weight based on 100 parts by weight of the total resin component composed of rubber.
- the addition ratio of the inorganic filler is less than 2 parts by weight, the effect of improving rigidity is small.
- the amount exceeds 25 parts by weight the rigidity is improved to some extent, but the paintability is poor. descend.
- the moisture absorption of the added inorganic filler causes the resin layer and the coating film to be washed away, so that the hot water resistance and the moisture resistance are reduced, which is not preferable in any case.
- organic peroxide used in the present invention is t-butyl. — Oki Shihi. Pas, Les over door, La U B A Norre C 0 - O key Size Lee de, pen zone I le ha 0 - O key Size Lee de, key to the city click filtered off Roh emissions path over O key Size Lee de, t-butyl 0 — Oxy Luca ⁇ Ne
- Hexane, -di-t-pitch Includes metal oxides, 2 to 5 — methyl — 2,5, -di (t-butyloxy) hexyne-3 and others. These can be used alone or in combination of two or more.
- the amount of the organic peroxide to be added is usually the above-mentioned crystalline ethylene-proxy. 0.001 to 0.5 parts by weight based on 100 parts by weight of resin component consisting of lenblock copolymer and ethylene-propylene copolymer rubber It is preferably from 0.01 to 0.3 part by weight, and if the amount is less than 0.01 part by weight, the melt flow index of the obtained resin composition becomes small.
- the molding fluidity is inferior, when it is 0.5 parts by weight or more, the molecular weight of the resin component of the present invention becomes too small, and is not suitable for practical use.
- Antioxidants, heat stabilizers, ultraviolet absorbers, flame retardants, nucleating agents, organic or inorganic pigments, etc. which are usually added to lipoplastic resins are within a range that does not significantly impair the effects of the present invention. They can be used alone or in combination.
- the components a) to d) are mixed using a Henschel mixer or the like generally used in the art.
- a heating method there is a method using a damper, a remixer, a heat roll, or the like, but in general, it is melted and kneaded using a single extruder or a twin-screw extruder. It is better to let it be a letter.
- the temperature of the extruder in this case is the crystalline ethylene-pro used.
- O PI — It depends on the type, the type of organic peroxide and the amount added, but it is necessary to control the temperature to 170 ° to 280 ° C. At a temperature of 170 ° C. or lower, thermal degradation is not sufficiently performed, and the effect of the present invention cannot be sufficiently obtained.
- the resin composition thus obtained can be formed into a predetermined molded product by a commonly used molding method such as an injection molding method, an extrusion molding method, and a compression molding method.
- melt flow index is ASTM D-D-1238
- flexural modulus ASTM D-790
- Izod impact strength ASTM D- It was measured according to 256.
- OMPI 5 parts by weight based on 100 parts by weight of lene-propylene copolymer, 2,5-, dimethyl-2.5-di (t-butyloxy) 0.13 parts by weight of hexane, other small amounts of heat stabilizers, antioxidants, etc. are mixed with a hex shell, and pelletized at 210 ° C with an extruder.
- the pellet was obtained, and the obtained pellet was molded into a predetermined test piece using an injection molding machine, and the physical properties of the molded product were measured.
- the applicability was evaluated by the following method.
- a two-pack type acrylic-chloride resin was applied to a test piece obtained by using an injection molding machine.
- a ren-based undercoat is applied to a thickness of 10 ⁇ ⁇
- a two-component acryl-urethane overcoat is applied to a thickness of 25 im.
- the sample was left at room temperature for 24 hours to obtain a paintability test piece. Cut 100 mm squares of 1 Ml and 1 Ml on the coating film of this test piece with a cutter, attach cellophane tape, and then sharpen cellophane.
- the tape was peeled off, and the initial adhesion was evaluated based on the grid of the remaining coating film (cross grid test). Furthermore, after the test piece was dipped in warm water at 40 ° C. for 240 hours, the state of the coating film surface was observed, and the hot water resistance was evaluated by a cross-cut test.
- OOMMPPII Table 1 shows the index of the melt mouth of the fat, the flexural modulus and modulus of the test specimen, the measured izod impact strength, the evaluation results of the paintability, and the surface condition of the molded product.
- Example-1 The test was carried out in the same manner as in Example-1 except that the amount of the added torque was changed to 2 parts by weight and 10 parts by weight, respectively, and the obtained results are shown in Table-1.
- Example-1 The results obtained in the same test as in Example-1 are shown, except that a torque of 1.3 Am was used and a torque of 7.0 was used.
- Example-1 As an inorganic filler, instead of a 1.3-m particle size, 1.2-im particle size sulfuric acid, lithium, and 1.9-m particle size calcium carbonate were used. The test was conducted in the same manner as in Example-1 except for the use, and the obtained results are shown in Table-1.
- Example-3 Comparative Example-2 Comparative Example 1 3
- Example-4 Comparative Example-5 — —
- Example 1 0 0-time one hundred twenty-one viscosity 4 7 der Ru et Ji-les-down in the in - profile fire.
- the test was conducted in the same manner as in Example 1 except that the copolymer rubber (hereinafter, referred to as EPR-B) was used, and the obtained results are shown in Table 2.
- EPR-B copolymer rubber
- Example 2 An ethylene propellant with a municipality of 72 at 100 ° C. The test was conducted in the same manner as in Example 1 except that a ren copolymer rubber (hereinafter, referred to as EPR-C) was used, and the obtained results are shown in Table 2.
- EPR-C ren copolymer rubber
- EPR-D Ethylene-brovirene copolymer rubber having a len content of 27% by weight and a viscosity at 100 ° C. at 100 ° C .
- the amount of PP-A and EPR-A used was 70 parts by weight
- Example 2 The test was carried out in the same manner as in Example "1", except that the amounts of PP-A and EPRA-A were each 50 parts by weight and 50 parts by weight, and obtained.
- Example 2 The test was carried out in the same manner as in Example 1 except that the amount of the organic peroxide added was 0.6 parts by weight, and the obtained results are shown in Table 2 .
- Example-1 Same as in Example-1 PP-A, EPR-A, talc, organic oxide, heat stabilizer, of the antioxidants, PP-A, EPR-A, organic peroxide, heat stable
- the antioxidant and the antioxidant were pelletized by the same operation as in Example-1, and then a pellet was added to this pellet and pelletized similarly.
- a test piece was molded by the obtained pellet injection molding machine. In the obtained test pieces, poor dispersion of the torque was observed. In particular, in the case of a flat plate test piece, this was so severe that the property measurement and the paintability test were not performed.
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019850700011A KR880000268B1 (ko) | 1983-08-18 | 1984-08-17 | 폴리프로필렌-기본 수지 조성물의 제조방법 |
GB08509188A GB2155026B (en) | 1983-08-18 | 1984-08-17 | Process for producing polypropylene composition |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58149609A JPH068375B2 (ja) | 1983-08-18 | 1983-08-18 | ポリプロピレン樹脂組成物の製造方法 |
JP58/149609 | 1983-08-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1985000824A1 true WO1985000824A1 (en) | 1985-02-28 |
Family
ID=15478943
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1984/000403 WO1985000824A1 (en) | 1983-08-18 | 1984-08-17 | Process for producing polypropylene resin composition |
Country Status (8)
Country | Link |
---|---|
US (1) | US4626565A (ja) |
EP (1) | EP0153415B1 (ja) |
JP (1) | JPH068375B2 (ja) |
AU (1) | AU551968B2 (ja) |
CA (1) | CA1225777A (ja) |
DE (2) | DE3490373C2 (ja) |
GB (1) | GB2155026B (ja) |
WO (1) | WO1985000824A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4705818A (en) * | 1985-04-09 | 1987-11-10 | Mitsui Toatsu Chemicals, Incorporated | Polypropylene-base resin composition |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4734448A (en) * | 1985-07-10 | 1988-03-29 | Idemitsu Petrochemical Co., Ltd. | Propylene polymer composition |
US4808442A (en) * | 1986-01-23 | 1989-02-28 | Akzo Nv | Composition suitable for use in polymer cross-linking processes |
JPH0699613B2 (ja) * | 1986-04-04 | 1994-12-07 | 三井東圧化学株式会社 | 無機フイラ−含有ポリプロピレン樹脂組成物 |
JPS63207617A (ja) * | 1987-02-24 | 1988-08-29 | Mitsui Toatsu Chem Inc | 無機フイラ−含有ポリオレフイン樹脂組成物の製造方法 |
US4820760A (en) * | 1987-05-28 | 1989-04-11 | Ferro Corporation | Non plateout molding composition |
JPH0733460B2 (ja) * | 1987-06-23 | 1995-04-12 | 日産自動車株式会社 | 自動車バンパ−用樹脂組成物 |
US5247007A (en) * | 1990-03-16 | 1993-09-21 | Mitsui Toatsu Chemicals, Inc. | Polypropylene resin composition and method for coating molded products of the resin composition |
JP2500081B2 (ja) * | 1991-03-13 | 1996-05-29 | 出光石油化学株式会社 | ポリオレフィン樹脂組成物 |
CZ222492A3 (en) * | 1991-07-19 | 1993-02-17 | Hoechst Ag | Stiffened polypropylene starting materials |
CA2144586A1 (en) * | 1994-03-15 | 1995-09-16 | Yasuhiro Niki | Reformed polypropylene resin composition and a method of preparing the same |
JP2886107B2 (ja) * | 1994-04-19 | 1999-04-26 | 三菱化学株式会社 | 熱可塑性エラストマーシート状成形体 |
DE10025427A1 (de) * | 2000-05-24 | 2001-12-06 | Sachtleben Chemie Gmbh | Verwendung eines modifizierten Polypropylencompounds für die Herstellung von Anbauteilen in der Automobilindustrie |
KR20020050460A (ko) * | 2000-12-21 | 2002-06-27 | 이계안 | 자동차 내장재용 폴리프로필렌 수지 조성물 |
US6911497B2 (en) * | 2003-03-27 | 2005-06-28 | Sumitomo Chemical Company, Limited | Polypropylene resin composition, method for its production, and injection molded article |
EP2261277B1 (en) * | 2003-12-26 | 2016-07-13 | Japan Polypropylene Corporation | Polypropylene-based resin composition and molded article thereof |
KR20160101953A (ko) | 2013-12-19 | 2016-08-26 | 다우 글로벌 테크놀로지스 엘엘씨 | C-c 개시제에 의한 프로필렌-계 중합체의 비스브레이킹 방법 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5364257A (en) * | 1976-11-22 | 1978-06-08 | Toyoda Gosei Co Ltd | Impact-resistant resin composition |
JPS55139447A (en) * | 1979-04-06 | 1980-10-31 | Chisso Corp | Modification of propylene-ethylene block copolymer |
JPS5755952A (en) * | 1980-09-22 | 1982-04-03 | Ube Ind Ltd | Polypropylene composition for bumper material |
JPS57137341A (en) * | 1981-02-20 | 1982-08-24 | Tokuyama Soda Co Ltd | Preparation of modified propylene-ethylene block copolymer composition |
JPS57159842A (en) * | 1981-03-30 | 1982-10-02 | Ube Ind Ltd | Polypropylene composition |
JPS5832650A (ja) * | 1981-08-19 | 1983-02-25 | Mitsubishi Petrochem Co Ltd | フイラ−含有プロピレン重合体組成物 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4087486A (en) * | 1975-05-15 | 1978-05-02 | Standard Oil Company (Indiana) | Polypropylene composition containing EPR |
JPS541386A (en) * | 1977-06-07 | 1979-01-08 | Nippon I P Rubber Kk | Manufacture of thermoplastic elastomer |
JPS5755942A (en) * | 1980-09-22 | 1982-04-03 | Du Pont Mitsui Polychem Co Ltd | Production of ion-crosslinked copolymer |
JPS57207630A (en) * | 1981-06-15 | 1982-12-20 | Toa Nenryo Kogyo Kk | Thermoplastic resin composition |
JPS5876444A (ja) * | 1981-10-30 | 1983-05-09 | Mitsubishi Chem Ind Ltd | プロピレン−エチレンブロツク共重合体の改質法 |
JPS6031868B2 (ja) * | 1981-12-25 | 1985-07-24 | 宇部興産株式会社 | ポリプロピレン組成物 |
US4375531A (en) * | 1982-01-11 | 1983-03-01 | Northern Petrochemical Company | High impact visbroken polymeric blends |
JPS58162652A (ja) * | 1982-03-23 | 1983-09-27 | Ube Ind Ltd | 大型成形品用ポリプロピレン組成物 |
JPS58168648A (ja) * | 1982-03-30 | 1983-10-05 | Ube Ind Ltd | ポリプロピレン組成物 |
JPS58168649A (ja) * | 1982-03-30 | 1983-10-05 | Ube Ind Ltd | ポリプロピレン組成物 |
JPS58213043A (ja) * | 1982-06-04 | 1983-12-10 | Mitsui Toatsu Chem Inc | ポリプロピレン樹脂組成物 |
NO834504L (no) * | 1983-01-20 | 1984-07-23 | El Paso Polyolefins | Propylenkopolymerer med forbedret slagfasthet |
JPS6031220B2 (ja) * | 1983-04-06 | 1985-07-20 | 和雄 早乙女 | 熱可塑性弾性重合体組成物 |
-
1983
- 1983-08-18 JP JP58149609A patent/JPH068375B2/ja not_active Expired - Lifetime
-
1984
- 1984-08-16 CA CA000461161A patent/CA1225777A/en not_active Expired
- 1984-08-17 DE DE3490373A patent/DE3490373C2/de not_active Expired - Fee Related
- 1984-08-17 DE DE19843490373 patent/DE3490373T1/de active Pending
- 1984-08-17 GB GB08509188A patent/GB2155026B/en not_active Expired
- 1984-08-17 AU AU32180/84A patent/AU551968B2/en not_active Ceased
- 1984-08-17 EP EP84903091A patent/EP0153415B1/en not_active Expired
- 1984-08-17 WO PCT/JP1984/000403 patent/WO1985000824A1/ja active IP Right Grant
- 1984-08-17 US US06/722,013 patent/US4626565A/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5364257A (en) * | 1976-11-22 | 1978-06-08 | Toyoda Gosei Co Ltd | Impact-resistant resin composition |
JPS55139447A (en) * | 1979-04-06 | 1980-10-31 | Chisso Corp | Modification of propylene-ethylene block copolymer |
JPS5755952A (en) * | 1980-09-22 | 1982-04-03 | Ube Ind Ltd | Polypropylene composition for bumper material |
JPS57137341A (en) * | 1981-02-20 | 1982-08-24 | Tokuyama Soda Co Ltd | Preparation of modified propylene-ethylene block copolymer composition |
JPS57159842A (en) * | 1981-03-30 | 1982-10-02 | Ube Ind Ltd | Polypropylene composition |
JPS5832650A (ja) * | 1981-08-19 | 1983-02-25 | Mitsubishi Petrochem Co Ltd | フイラ−含有プロピレン重合体組成物 |
Non-Patent Citations (1)
Title |
---|
See also references of EP0153415A4 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4705818A (en) * | 1985-04-09 | 1987-11-10 | Mitsui Toatsu Chemicals, Incorporated | Polypropylene-base resin composition |
Also Published As
Publication number | Publication date |
---|---|
DE3490373C2 (ja) | 1992-05-27 |
DE3490373T1 (de) | 1985-08-22 |
EP0153415A4 (en) | 1986-07-08 |
EP0153415A1 (en) | 1985-09-04 |
GB8509188D0 (en) | 1985-05-15 |
CA1225777A (en) | 1987-08-18 |
JPH068375B2 (ja) | 1994-02-02 |
AU3218084A (en) | 1985-03-12 |
EP0153415B1 (en) | 1989-09-13 |
AU551968B2 (en) | 1986-05-15 |
GB2155026A (en) | 1985-09-18 |
US4626565A (en) | 1986-12-02 |
JPS6042448A (ja) | 1985-03-06 |
GB2155026B (en) | 1986-10-15 |
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