JPH0481440A - Composition filled with inorganic material - Google Patents
Composition filled with inorganic materialInfo
- Publication number
- JPH0481440A JPH0481440A JP2197072A JP19707290A JPH0481440A JP H0481440 A JPH0481440 A JP H0481440A JP 2197072 A JP2197072 A JP 2197072A JP 19707290 A JP19707290 A JP 19707290A JP H0481440 A JPH0481440 A JP H0481440A
- Authority
- JP
- Japan
- Prior art keywords
- polyolefin
- inorganic material
- composition
- inorganic
- ethylene
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 18
- 229910010272 inorganic material Inorganic materials 0.000 title abstract description 7
- 239000011147 inorganic material Substances 0.000 title abstract description 7
- 229920000098 polyolefin Polymers 0.000 claims abstract description 20
- 239000002245 particle Substances 0.000 claims abstract description 17
- 238000004898 kneading Methods 0.000 claims abstract description 7
- 239000000126 substance Substances 0.000 claims description 6
- 239000011256 inorganic filler Substances 0.000 abstract description 16
- 229910003475 inorganic filler Inorganic materials 0.000 abstract description 16
- 239000011230 binding agent Substances 0.000 abstract description 8
- 239000005038 ethylene vinyl acetate Substances 0.000 abstract description 6
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 abstract description 6
- 239000000454 talc Substances 0.000 abstract description 6
- 229910052623 talc Inorganic materials 0.000 abstract description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract description 4
- 239000000314 lubricant Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 239000008188 pellet Substances 0.000 abstract description 4
- 239000003963 antioxidant agent Substances 0.000 abstract description 3
- 229920006244 ethylene-ethyl acrylate Polymers 0.000 abstract description 3
- 238000002156 mixing Methods 0.000 abstract description 3
- 230000003078 antioxidant effect Effects 0.000 abstract description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 abstract description 2
- 239000003431 cross linking reagent Substances 0.000 abstract description 2
- 239000002270 dispersing agent Substances 0.000 abstract description 2
- 239000004014 plasticizer Substances 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 229920005989 resin Polymers 0.000 abstract 2
- 239000011347 resin Substances 0.000 abstract 2
- 239000004902 Softening Agent Substances 0.000 abstract 1
- 238000013329 compounding Methods 0.000 abstract 1
- 239000000945 filler Substances 0.000 abstract 1
- 238000003825 pressing Methods 0.000 abstract 1
- 238000005469 granulation Methods 0.000 description 8
- 230000003179 granulation Effects 0.000 description 8
- 239000012188 paraffin wax Substances 0.000 description 6
- 239000004927 clay Substances 0.000 description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 5
- 239000010931 gold Substances 0.000 description 5
- 229910052737 gold Inorganic materials 0.000 description 5
- 239000008187 granular material Substances 0.000 description 5
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 2
- QLZJUIZVJLSNDD-UHFFFAOYSA-N 2-(2-methylidenebutanoyloxy)ethyl 2-methylidenebutanoate Chemical compound CCC(=C)C(=O)OCCOC(=O)C(=C)CC QLZJUIZVJLSNDD-UHFFFAOYSA-N 0.000 description 1
- XOUQAVYLRNOXDO-UHFFFAOYSA-N 6-tert-butyl-m-cresol Natural products CC1=CC=C(C(C)(C)C)C(O)=C1 XOUQAVYLRNOXDO-UHFFFAOYSA-N 0.000 description 1
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- 235000012241 calcium silicate Nutrition 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000005042 ethylene-ethyl acrylate Substances 0.000 description 1
- 229920005680 ethylene-methyl methacrylate copolymer Polymers 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- -1 polyethylene, ethylene butene copolymer Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Inorganic Insulating Materials (AREA)
- Insulated Conductors (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Sealing Material Composition (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、ポリオレフィンに所定の無機物を混練してな
る無機物充填組成物に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to an inorganic-filled composition prepared by kneading a predetermined inorganic material into a polyolefin.
〔従来の技術］
ポリオレフィンは電気的絶縁性に優れ、比較的安価でし
かも加工が容易であることから電気機器の絶縁材料や、
電線やケーブルのシース、絶縁体や フィルム、パイプ
等あらゆる分野で使用されている。このようなポリオレ
フィンは、通常、安定剤、酸化防止剤の他に無機充填剤
を添加して用いられる。[Prior art] Polyolefin has excellent electrical insulation properties, is relatively inexpensive, and is easy to process, so it is used as an insulating material for electrical equipment,
It is used in all kinds of fields, including wire and cable sheaths, insulators, films, and pipes. Such polyolefins are usually used with inorganic fillers added in addition to stabilizers and antioxidants.
無機充填剤は、強度及び成形性を向上させる目的でポリ
オレフィンに混和されるものであり、ポリオレフィンの
ベレフトと混和して２軸押比機で混練される。The inorganic filler is mixed with the polyolefin for the purpose of improving strength and moldability, and is mixed with the beleft of the polyolefin and kneaded with a twin-screw presser.
しかしながら、粒径３肛程度のポリオレフィンに対し、
無機充填剤は本来１０μｍ以下の微粒であるため、押出
機等で両者を混練する際に無機充填剤が凝集して均一に
混練し難い。However, for polyolefins with a particle size of about 3 mm,
Since the inorganic filler is originally fine particles of 10 μm or less, when the two are kneaded using an extruder or the like, the inorganic filler aggregates and is difficult to knead uniformly.
このため、混練速度が遅延し、組成物自体の生産性が低
下してしまう。For this reason, the kneading speed is delayed and the productivity of the composition itself is reduced.
また、成形された組成物の機械的強度が低下するととも
に、微粒の無機充填剤が飛散し人体に悪影響を及ぼす恐
れがある。Furthermore, the mechanical strength of the molded composition decreases, and the fine particles of the inorganic filler may scatter, which may have an adverse effect on the human body.
を発明の目的〕
本発明は係る点に鑑みて成されたものであり、無機物充
填組成物の生産性の向上及び当該組成物の機械的強度の
向上を図れる他、人体への安全性を向上できる無機充填
組成物を提供することを目的とする。[Objective of the Invention] The present invention has been made in view of the above points, and it is possible to improve the productivity of an inorganic-filled composition and the mechanical strength of the composition, as well as to improve safety for the human body. The purpose of the present invention is to provide an inorganic filling composition that can be filled with minerals.
［課題を解決するための手段］
本発明は上記目的を達成するために、ポリオレフィンの
平均粒径をＸとした場合に、無機物の平均粒径を０．１
Ｘ〜５Ｘとしている。[Means for Solving the Problems] In order to achieve the above object, the present invention provides an inorganic material with an average particle size of 0.1, where X is the average particle size of the polyolefin.
It is set as X to 5X.
（作用］
以上のように構成された本発明においては、押出機等に
よりポリオレフィンと無機物を混練する際に、無機物が
ポリオレフィンに対して均一に混和される。このため、
混練時間を短縮することができる。また、製造された組
成物は均一な機械的強度を有する他、無機物が飛散する
ようなことがな（なる。(Function) In the present invention configured as described above, when the polyolefin and the inorganic substance are kneaded using an extruder or the like, the inorganic substance is uniformly mixed with the polyolefin.
Kneading time can be shortened. In addition, the manufactured composition has uniform mechanical strength and does not have inorganic substances scattered.
以下、本発明の一実施例を詳細に説明する。 Hereinafter, one embodiment of the present invention will be described in detail.
本発明に係るポリオレフィンとしては、エチレンプロピ
レンゴム、ポリエチレン、エチレンブテンコポリマ、エ
チレン酢酸ビニルポリマ エチレンエチルアクリレート
コポリマ、エチレンメチルメタクリレートコポリマ、エ
チレンメタクリレートコポリマ等を、単独または数種併
用して使用する。また、このようなポリオレフィンは、
押出機において混練し易いように、予め球あるいは円柱
形のペレットに成形する。As the polyolefin according to the present invention, ethylene propylene rubber, polyethylene, ethylene butene copolymer, ethylene vinyl acetate polymer, ethylene ethyl acrylate copolymer, ethylene methyl methacrylate copolymer, ethylene methacrylate copolymer, etc. are used alone or in combination of several kinds. In addition, such polyolefins are
It is preformed into spherical or cylindrical pellets so that it can be easily kneaded in an extruder.
一方、無機充填剤としては、炭酸カルシウムクレー、タ
ルク、シリカ、メタ珪酸カルシウム硫酸カルシウム、リ
トポン等を、単独または数種併用して使用する。このよ
うな無機充填剤は、圧縮又は水、滑剤、可塑剤、軟化剤
等をバインダとして球あるいは円柱形に造粒する。この
場合の粒径は、上記ポリオレフィンペレットの粒径をＸ
とした場合に、０．１Ｘ〜５Ｘの範囲とする。造粒方法
としては、圧縮造粒、流動層造粒、遠心流動造粒、攪拌
造粒、スプレー造粒等がある。On the other hand, as the inorganic filler, calcium carbonate clay, talc, silica, calcium metasilicate calcium sulfate, lithopone, etc. are used alone or in combination of several kinds. Such an inorganic filler is compressed or granulated into spheres or cylinders using water, a lubricant, a plasticizer, a softener, etc. as a binder. In this case, the particle size is the particle size of the polyolefin pellets
In this case, the range is 0.1X to 5X. Granulation methods include compression granulation, fluidized bed granulation, centrifugal fluid granulation, stirring granulation, and spray granulation.
また、上記無機充填剤に加えて酸化防止剤、滑剤１分散
剤、架橋剤等を適宜添加しても良い。Further, in addition to the above-mentioned inorganic filler, an antioxidant, a lubricant, a dispersant, a crosslinking agent, etc. may be added as appropriate.
次に、本発明に係る組成物の性能試験について説明する
。この試験は、ポリオレフィン、無機充填剤、その他の
添加剤、ポリオレフィンと無機充填剤の粒径毎に、製造
された組成物の引張強度及び伸長度を測定したものであ
る。Next, a performance test of the composition according to the present invention will be explained. In this test, the tensile strength and elongation of the produced composition were measured for each polyolefin, inorganic filler, other additives, and particle size of the polyolefin and inorganic filler.
試料としては、以下に示すように、本発明に係る試料と
して４種（Ｎｏ、１〜Ｎｏ、４） 、比較試料として２
種（Ｎｏ、５．Ｎｏ、６）を用いた。As for the samples, as shown below, there are four types of samples according to the present invention (No. 1 to No. 4), and two types of comparative samples.
Seeds (No. 5. No. 6) were used.
Ｎｏ、１
Ｎｏ、２
Ｎｏ、３
エチレン酢酸ビニルコポリマ１００ｗｔχ（メルトイン
デックスＩｇ／１０ｍ１ｎ （１９０°Ｃ）酢酸ビニル
２５−ｔχ金含有
クレー造粒物５０ｗｔχ（平均粒径１μｍ焼成りレー、
パラフィンバインダ５ｗｔχ含有）エチレン酢酸ビニル
コポリマ１００ｗｔχ（メルトインデックスＩｇ／１０
ｍ１ｎ （１９０°Ｃ）。No, 1 No, 2 No, 3 Ethylene-vinyl acetate copolymer 100wtχ (melt index Ig/10m1n (190°C)) Vinyl acetate 25-tχ Gold-containing clay granules 50wtχ (average particle size 1 μm fired clay,
Contains paraffin binder 5wtχ) Ethylene vinyl acetate copolymer 100wtχ (melt index Ig/10
m1n (190°C).
酢酸ビニル２５−ｔχ金含有
クレー造粒物１００ｗｔχ （平均粒径１μｍ焼成りレ
ー、パラフィンバインダ５ｗ ｔＺ金含有エチレンメタ
クリレートコポリマ１００ｗｔχ（メルトインデックス
Ｉｇ／１０ｍ１ｎ （１９０°Ｃ）。Vinyl acetate 25-tχ Gold-containing clay granules 100wtχ (average particle size 1 μm calcined clay, paraffin binder 5wtZ Gold-containing ethylene methacrylate copolymer 100wtχ (melt index Ig/10m1n (190°C).
エチルアクリレート２０−ｔχ金含有 タルク造粒物３０−ｔχ （平均粒径１μｍ。Ethyl acrylate 20-tχ gold containing Talc granules 30-tχ (average particle size 1 μm.
パラフィンバインダ８ｗｔχ含有）
Ｎｏ、４−一エチレエチルアクリレートコボリマ５０−
Ｌχ（メルトインデックスＩｇ／１０ｍ１ｎ （１９０
°Ｃ）エチルアクリレ−ｔ−２０ｗｔχ含有）エチレン
酢酸ビニルコポリマ１００ｗｔχ（メルトインデックス
Ｉｇ／１０ｍ１ｎ （１９０°Ｃ）酢酸ビニル２５御ｔ
Ｘ含有）
タルク造粒物１２０ｗｔχ （平均粒径１μｍ。Contains paraffin binder 8wtχ) No. 4-1 ethylene ethyl acrylate cobolima 50-
Lχ (melt index Ig/10m1n (190
°C) Ethyl acrylate-t-20wtχ Containing) Ethylene vinyl acetate copolymer 100wtχ (Melt index Ig/10m1n (190°C) Vinyl acetate 25%
(Contains X) Talc granules 120wtχ (average particle size 1μm.
パラフィンバインダ８ｗｔχ含有）
Ｎｏ、５−エチレン酢酸ビニルコポリ？ １００ｗｔＸ
（メルトインデックスＩｇ／１０ｍ１ｎ （１９０°ｃ
）。Contains paraffin binder 8wtχ) No, 5-ethylene vinyl acetate copolymer? 100wtX
(Melt index Ig/10m1n (190°c
).
酢酸ビニル２５−ｔχ金含有
タルク１００ｗｔχ（平均粒径１μｍ、造粒なし）Ｎ
ｏ 、 ６−−−エチレエチルアクリレートコポリマ１
００ｗｔχ（メルトインデックスＩｇ／１０ｍ１ｎ （
１９０°Ｃ）。Vinyl acetate 25-tχ Gold-containing talc 100wtχ (average particle size 1 μm, no granulation) N
o, 6---ethylethyl acrylate copolymer 1
00wtχ (melt index Ig/10m1n (
190°C).
エチルアクリレート２０ｗｔ＄含有）
タルク造粒物８０−Ｌχ（平均粒径１μｍパラフィンバ
インダ５ｗｔχ含有）
上記の試料Ｎｏ、 １〜Ｎｏ、４． Ｎｏ、６における
無機充填物の造粒は、パラフィンワックスをバインダと
して転勤法により行う。また、上記の全ての試料（Ｎｏ
、１〜Ｎｏ、６）に、１ｗｔχのステアリン酸と、１ｉ
ｙｔχの４，４−チオビス−（６−第３−ブチル−３−
メチルフェノール）を添加する。(Contains ethyl acrylate 20wt$) Talc granules 80-Lχ (Average particle size 1 μm, paraffin binder 5wtχ Contains) Above samples No. 1 to No. 4. Granulation of the inorganic filler in No. 6 is carried out by a transfer method using paraffin wax as a binder. In addition, all the above samples (No.
, 1 to No. 6), 1wtχ stearic acid and 1i
4,4-thiobis-(6-tert-butyl-3-
methylphenol).
そして、上記各試料（Ｎｏ、１〜Ｎｏ、６）を混合機で
混合した後、１６０″Ｃに保持した同方向回転の２０ｍ
／ｒｒ１２軸押出機（Ｌ／Ｄ ＝３０）により混練と押
出を一工程で行い、５０μｍ厚の和紙を縦沿えしながら
、外径１．８胴の導体上に厚さ１．１ ｍｍで押出被覆
する。After mixing each of the above samples (No. 1 to No. 6) in a mixer, the samples were rotated for 20 m in the same direction at 160"C.
Kneading and extrusion are performed in one step using a /rr 12-screw extruder (L/D = 30), and while 50 μm thick Japanese paper is stretched vertically, it is extruded to a thickness of 1.1 mm onto a conductor with an outer diameter of 1.8 cylinder. Cover.
この際、本発明に係る試料（Ｎｏ、１〜Ｎｏ、４）は、
比較例（Ｎｏ、５． Ｎｏ、６）に比べて混和時間が短
くて足りた。At this time, the samples (No. 1 to No. 4) according to the present invention were
The mixing time was short compared to the comparative examples (No. 5, No. 6).
その後、上記導体及び和紙を取り除き、これをショッパ
型引張試験機を用いて引張速度２００ ｍｍ／ｍｉｎに
より、それぞれ１０箇所の引張強度及び伸長度を測定し
、これらの平均値を求めた。その結果を第１表に示した
。Thereafter, the conductor and Japanese paper were removed, and the tensile strength and elongation were measured at each of 10 locations using a Schopper tensile tester at a tensile speed of 200 mm/min, and the average value thereof was determined. The results are shown in Table 1.
表
表から明らかなように、本発明に係る試料（Ｎｏ、１〜
Ｎｃ、４）は、比較例の試料（Ｎｏ、５． Ｎｏ、６）
に比べて、引張強度及び伸長度ともに絶対値が高い上、
引張強度及び伸長度の上限と下限の差が小さい、すなわ
ち均一な機械的強度を有する。また、本発明に係る試料
（Ｎｏ、１〜Ｎｏ、４）は、ポリオレフィンと無機充填
剤が均一に混練されているため、製造された組成物から
無機物が飛散するようなことはない。As is clear from the table, samples according to the present invention (No. 1 to
Nc, 4) is the sample of comparative example (No, 5. No, 6)
Compared to
The difference between the upper and lower limits of tensile strength and elongation is small, that is, it has uniform mechanical strength. In addition, in the samples (No. 1 to No. 4) according to the present invention, since the polyolefin and the inorganic filler were uniformly kneaded, the inorganic substances were not scattered from the manufactured composition.
〔発明の効果］
以上説明したように本発明においては、ポリオレフィン
の平均粒径（Ｘ）に対して、無機物の平均粒径を０．１
Ｘ〜５Ｘとしているため、無機物充填組成物の生産性及
び製造された組成物の機械的強度が向上し、且つ無機充
填剤の飛散の防止により人体への安全性が向上するとい
う効果がある。[Effect of the invention] As explained above, in the present invention, the average particle size of the inorganic material is set to 0.1 with respect to the average particle size (X) of the polyolefin.
Since the range is X to 5X, the productivity of the inorganic filler composition and the mechanical strength of the manufactured composition are improved, and safety to the human body is improved by preventing scattering of the inorganic filler.
Claims (1)
物充填組成物において、 前記ポリオレフィンの平均粒径をＸとした場合に、前記
無機物の平均粒径を０．１Ｘ〜５Ｘとすることを特徴と
する無機物充填組成物。[Claims] In an inorganic-filled composition obtained by kneading a polyolefin and a predetermined inorganic substance, where the average particle size of the polyolefin is X, the average particle size of the inorganic substance is 0.1X to 5X. An inorganic-filled composition characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2197072A JP2595782B2 (en) | 1990-07-25 | 1990-07-25 | Method for kneading polyolefin and inorganic filler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2197072A JP2595782B2 (en) | 1990-07-25 | 1990-07-25 | Method for kneading polyolefin and inorganic filler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0481440A true JPH0481440A (en) | 1992-03-16 |
| JP2595782B2 JP2595782B2 (en) | 1997-04-02 |
Family
ID=16368251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2197072A Expired - Fee Related JP2595782B2 (en) | 1990-07-25 | 1990-07-25 | Method for kneading polyolefin and inorganic filler |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2595782B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2714326A1 (en) * | 1993-12-28 | 1995-06-30 | Luzenac Talc | A method of treating a talcum powder for incorporation into a material, in particular a thermoplastic material. |
| WO1998026911A1 (en) * | 1996-12-18 | 1998-06-25 | Jumik Technologies Limited | Polymer processing method and tablet-forming apparatus |
| US7026375B1 (en) | 1998-08-26 | 2006-04-11 | Pvaxx Research And Development Limited | PVA-containing compositions |
| US7195777B2 (en) | 2000-03-01 | 2007-03-27 | Pvaxx Research & Development Limited | Method and apparatus for blowmoding capsules of polyvinylalcohol and blowmolded polyvinylalcohol capsules |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4892441A (en) * | 1972-03-11 | 1973-11-30 | ||
| JPS60106807A (en) * | 1983-11-15 | 1985-06-12 | Mitsui Petrochem Ind Ltd | Ultrahigh molecular weight polyolefin powder |
| JPS63207617A (en) * | 1987-02-24 | 1988-08-29 | Mitsui Toatsu Chem Inc | Manufacture of polyolefin resin composition containing inorganic filler |
-
1990
- 1990-07-25 JP JP2197072A patent/JP2595782B2/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4892441A (en) * | 1972-03-11 | 1973-11-30 | ||
| JPS60106807A (en) * | 1983-11-15 | 1985-06-12 | Mitsui Petrochem Ind Ltd | Ultrahigh molecular weight polyolefin powder |
| JPS63207617A (en) * | 1987-02-24 | 1988-08-29 | Mitsui Toatsu Chem Inc | Manufacture of polyolefin resin composition containing inorganic filler |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2714326A1 (en) * | 1993-12-28 | 1995-06-30 | Luzenac Talc | A method of treating a talcum powder for incorporation into a material, in particular a thermoplastic material. |
| WO1995017998A1 (en) * | 1993-12-28 | 1995-07-06 | Talc De Luzenac | Method of treating talcum powder for incorporation into a thermoplastic material in particular |
| US5827917A (en) * | 1993-12-28 | 1998-10-27 | Talc De Luzenac | Method for treating a talc powder with a view to incorporating it in a thermoplastic material |
| WO1998026911A1 (en) * | 1996-12-18 | 1998-06-25 | Jumik Technologies Limited | Polymer processing method and tablet-forming apparatus |
| US6544452B1 (en) | 1996-12-18 | 2003-04-08 | Pvaxx Technologies Ltd. | Polymer processing method and tablet-forming apparatus |
| US7026375B1 (en) | 1998-08-26 | 2006-04-11 | Pvaxx Research And Development Limited | PVA-containing compositions |
| US7195777B2 (en) | 2000-03-01 | 2007-03-27 | Pvaxx Research & Development Limited | Method and apparatus for blowmoding capsules of polyvinylalcohol and blowmolded polyvinylalcohol capsules |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2595782B2 (en) | 1997-04-02 |
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| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |