JPS6317944A - Polyolefin composition - Google Patents
Polyolefin compositionInfo
- Publication number
- JPS6317944A JPS6317944A JP16083686A JP16083686A JPS6317944A JP S6317944 A JPS6317944 A JP S6317944A JP 16083686 A JP16083686 A JP 16083686A JP 16083686 A JP16083686 A JP 16083686A JP S6317944 A JPS6317944 A JP S6317944A
- Authority
- JP
- Japan
- Prior art keywords
- polyolefin
- formula
- tert
- tetrakis
- bis
- 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
- 229920000098 polyolefin Polymers 0.000 title claims abstract description 17
- 239000000203 mixture Substances 0.000 title claims abstract description 14
- 150000001875 compounds Chemical class 0.000 claims abstract description 16
- 239000003381 stabilizer Substances 0.000 claims abstract description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000011574 phosphorus Substances 0.000 claims abstract description 5
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 5
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229920000642 polymer Polymers 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims abstract description 3
- -1 alkyl pentaerythritol diphosphite Chemical compound 0.000 claims description 7
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 claims description 3
- GXURZKWLMYOCDX-UHFFFAOYSA-N 2,2-bis(hydroxymethyl)propane-1,3-diol;dihydroxyphosphanyl dihydrogen phosphite Chemical compound OP(O)OP(O)O.OCC(CO)(CO)CO GXURZKWLMYOCDX-UHFFFAOYSA-N 0.000 claims description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims 2
- 238000002845 discoloration Methods 0.000 abstract description 7
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical class C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 abstract description 3
- ROHFBIREHKPELA-UHFFFAOYSA-N 2-[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]prop-2-enoic acid;methane Chemical compound C.CC(C)(C)C1=CC(CC(=C)C(O)=O)=CC(C(C)(C)C)=C1O.CC(C)(C)C1=CC(CC(=C)C(O)=O)=CC(C(C)(C)C)=C1O.CC(C)(C)C1=CC(CC(=C)C(O)=O)=CC(C(C)(C)C)=C1O.CC(C)(C)C1=CC(CC(=C)C(O)=O)=CC(C(C)(C)C)=C1O ROHFBIREHKPELA-UHFFFAOYSA-N 0.000 abstract 1
- ZJIPHXXDPROMEF-UHFFFAOYSA-N dihydroxyphosphanyl dihydrogen phosphite Chemical compound OP(O)OP(O)O ZJIPHXXDPROMEF-UHFFFAOYSA-N 0.000 abstract 1
- 229940126062 Compound A Drugs 0.000 description 4
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 description 4
- 239000011575 calcium Substances 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 description 2
- XITRBUPOXXBIJN-UHFFFAOYSA-N bis(2,2,6,6-tetramethylpiperidin-4-yl) decanedioate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)CCCCCCCCC(=O)OC1CC(C)(C)NC(C)(C)C1 XITRBUPOXXBIJN-UHFFFAOYSA-N 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- OWYWGLHRNBIFJP-UHFFFAOYSA-N Ipazine Chemical compound CCN(CC)C1=NC(Cl)=NC(NC(C)C)=N1 OWYWGLHRNBIFJP-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- VMNKHSPZIGIPLL-UHFFFAOYSA-N [3-hydroxy-2,2-bis(hydroxymethyl)propyl] dihydrogen phosphite Chemical compound OCC(CO)(CO)COP(O)O VMNKHSPZIGIPLL-UHFFFAOYSA-N 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- JNGZXGGOCLZBFB-IVCQMTBJSA-N compound E Chemical compound N([C@@H](C)C(=O)N[C@@H]1C(N(C)C2=CC=CC=C2C(C=2C=CC=CC=2)=N1)=O)C(=O)CC1=CC(F)=CC(F)=C1 JNGZXGGOCLZBFB-IVCQMTBJSA-N 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 150000003018 phosphorus compounds Chemical class 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- LVTJOONKWUXEFR-FZRMHRINSA-N protoneodioscin Natural products O(C[C@@H](CC[C@]1(O)[C@H](C)[C@@H]2[C@]3(C)[C@H]([C@H]4[C@@H]([C@]5(C)C(=CC4)C[C@@H](O[C@@H]4[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@@H](O)[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@H](CO)O4)CC5)CC3)C[C@@H]2O1)C)[C@H]1[C@H](O)[C@H](O)[C@H](O)[C@@H](CO)O1 LVTJOONKWUXEFR-FZRMHRINSA-N 0.000 description 1
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は耐熱性、耐候性を有し、かつピンク変色の改善
されたポリオレフィン組成物に関する。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a polyolefin composition having heat resistance, weather resistance, and improved pink discoloration.
従来の技術
ポリオレフィンの主要な用途の一つとして自動車の内外
装板が挙げられるが、この場合の要求される性質として
耐熱性と耐候性がある。Background Art One of the main uses of polyolefins is the interior and exterior panels of automobiles, and the required properties in this case are heat resistance and weather resistance.
この要求に対し従来はポリオレフィンにＩｒｇａｎｏｘ
ｌｏｌｏ（チバ書ガイギー社の商品名）やサノールＬＳ
７７０ （ピペラジン系耐候安定剤、三共製）などの
添加剤を配合する処決は良く知られている。To meet this demand, conventional polyolefins such as Irganox
lolo (product name of Ciba Sho Geigy) and Sanol LS
770 (piperazine weathering stabilizer, manufactured by Sankyo) is a well-known solution.
発明が解決しようとする問題点
前記ポリオレフィン組成物が自動車の内外装板に使用さ
れると、燃焼誹ガス、原動機排ガス等に存在するＮＯｘ
に起因すると思われるピンクに変色する欠点を有してい
る。Problems to be Solved by the Invention When the polyolefin composition is used for the interior and exterior panels of automobiles, NOx present in combustion gas, motor exhaust gas, etc.
It has the disadvantage of turning pink, which is thought to be caused by.
本発明はこのピンク変色を改善することを目的とする。The present invention aims to improve this pink discoloration.
問題点を解決するための手段
本発明は、ポリオレフィンに次の化合物を配合したこと
を特徴とする耐熱性及び耐候性にすぐれたポリオレフィ
ン組成物である。Means for Solving the Problems The present invention is a polyolefin composition with excellent heat resistance and weather resistance, which is characterized by blending the following compounds into a polyolefin.
（１）テトラキス〔メチレン−３−（３，５−ジ−ｔｅ
ｒｔ−ブチルー４−ヒドロキシフェニル）プロピオネー
トコメタン（以下化合物Ａと云う）（２）ビス（２，２
′、６．６’−テトラアルキル−４−ピペリジン）ジカ
ルボキシレート（以下化合物Ｂと云う）
（３）次の［１］〜［４］で示されるリン系安定剤の１
種又は２種以上。(1) Tetrakis [methylene-3-(3,5-di-te)
rt-butyl-4-hydroxyphenyl)propionate comethane (hereinafter referred to as compound A) (2) bis(2,2
', 6.6'-tetraalkyl-4-piperidine) dicarboxylate (hereinafter referred to as compound B) (3) 1 of the phosphorus stabilizers shown in the following [1] to [4]
A species or two or more species.
［１］テトラキス−（２−ｔｅｒｔ−アルキル又は２．
４−ジ−ｔｅｒｔ−アルキルフェニル）一又は４，４′
−ビアリーレンジホスボナイト（以下化合物Ｃと云う）
■水素添加ビスフェノール系−ペンタエリスリトールホ
スファイトポリマー（以下化合物りと云う）
■ジＣ□。〜Ｃ２゜アルキルペンタエリスリトールシフ
オスファイト（以下化合物Ｅと云う）■ビス（２−ｔｅ
ｒｔ又は２，４−ジ−ｔｅｒｔ−フルキルフェニル）ペ
ンタエリスリトールジホスファイト （以下化合物Ｆと
云う）
本発明でいうポリオレフィン組成物の基材ポリオレフィ
ンは代表的にはポリエチレン、ポリプロピレン、４−メ
チル−１−ペンテンの単独重合体又は共重合体、（ＴＰ
Ｘ■）等の高結晶質成分、エチレン−α−オレフィン非
晶質又は低結晶質重合体、プロピレン−１−ブテンの低
結晶質又は非結晶質共重体等の低結晶質又は非晶質成分
などのブロック共重合体又はブレンドである。[1] Tetrakis-(2-tert-alkyl or 2.
4-di-tert-alkylphenyl)-1 or 4,4'
- Biarylene diphosbonite (hereinafter referred to as compound C) ■Hydrogenated bisphenol-based pentaerythritol phosphite polymer (hereinafter referred to as compound Rito) ■DiC□. ~C2゜Alkylpentaerythritol siphosphite (hereinafter referred to as compound E) ■Bis(2-te
rt or 2,4-di-tert-furkylphenyl) pentaerythritol diphosphite (hereinafter referred to as compound F) The base polyolefin of the polyolefin composition in the present invention is typically polyethylene, polypropylene, 4-methyl- Homopolymer or copolymer of 1-pentene, (TP
Highly crystalline components such as block copolymers or blends such as
・これらに要求される代表的な物性値としては、ＭＦＲ
（２３０℃） ５〜３０ｇ／１０ｍ１ｎ 、好ましくは
８〜１５ｇ／１０ｍ１ｎ 。・The typical physical property values required for these are MFR
(230°C) 5 to 30 g/10 m1n, preferably 8 to 15 g/10 m1n.
を挙げることができ、他の物性は用途に応じて定められ
る。Other physical properties are determined depending on the application.
化合物Ａの代表例としてはＩｒｇａｎｏｘｌＯｌｏ（チ
バ・ガイギー社）の商品名で知られ、次の構造式を有し
ている。この化合物Ａをポリオレフィン１００重量部に
対して０．０３〜０．３重量部を使用す・る、その使用
量が下限未満では耐酸化性付与能力が不足し、上限超で
は、配合物のピンク変色が明らかに（三共製）で知られ
、次の構造式を有している。A representative example of Compound A is known under the trade name IrganoxlOlo (Ciba Geigy) and has the following structural formula. Compound A is used in an amount of 0.03 to 0.3 parts by weight per 100 parts by weight of the polyolefin.If the amount used is less than the lower limit, the ability to impart oxidation resistance will be insufficient, and if it exceeds the upper limit, the composition will become pink. It is known for its color change (manufactured by Sankyo) and has the following structural formula.
この化合物Ｂをポリオレフィン１００重量部に対して通
常０．０５〜０．４重量部を使用する。その使用量が下
限未満では配合物に耐候性を付与する能力に不足を来し
、上限超では、化合物Ｂのブルーミングを生ずる。This compound B is usually used in an amount of 0.05 to 0.4 parts by weight per 100 parts by weight of the polyolefin. If the amount used is less than the lower limit, the ability to impart weather resistance to the formulation will be insufficient, and if it is more than the upper limit, blooming of compound B will occur.
ピンク変色防止のために用いるリン系耐候安定剤の代表
例（化合物Ｃ，Ｄ、Ｅ、Ｆ）は次の構造式〇〜■で示さ
れるリン酸系化合物又は亜リン酸系化合物である。Representative examples of phosphorus-based weathering stabilizers (compounds C, D, E, and F) used to prevent pink discoloration are phosphoric acid-based compounds or phosphorous acid-based compounds represented by the following structural formulas 〇-■.
■テトラキス（２，４−ジ−ｔｅｒｔ−ブチルフェニル
）−４，４”−ビフェニレンジホスホナイト商品名Ｐ−
ＥＰＱ（サンド社製）として市販されている。■Tetrakis(2,4-di-tert-butylphenyl)-4,4”-biphenylene diphosphonite Product name P-
It is commercially available as EPQ (manufactured by Sandoz Co.).
■水素添加ビスフェノールＡ−ペンタエリスリトールホ
スファイトポリマー
いる。■Hydrogenated bisphenol A-pentaerythritol phosphite polymer.
■ジステアリルベンタエリスリトールジホスファ商品名
ウニストン６１８（Ｗｅｓｔｏｎ８１８ 、ポルグワー
ナー社製）として市販されている。■ Distearylbentaerythritol diphospha is commercially available under the trade name of Weston 618 (manufactured by Porg Warner).
■ビス（２，４−ジ−ｔ−ブチルフェニル）ペン商品名
ウニストン８２４（Ｗｅｓｔｏｎ８２４ 、ポルグワー
ナー社製）として市販されている。(2) Bis(2,4-di-t-butylphenyl) pen Commercially available under the trade name Weston 824 (manufactured by Porg Warner).
これらを１種又は２種以上用い、使用量は化合物Ａ及び
化合物Ｂの合計量に対して５０〜５００％程度である。One or more of these are used, and the amount used is about 50 to 500% of the total amount of compound A and compound B.
実施例 以下実施例を用いて説明する。Example This will be explained below using examples.
ポリオレフ４ン（ＭＦＲ（２３０℃） １０ｇ／１０ｍ
＋１ｎ）１００重量部に対し第１表に示す処方で試験片
を成形し、倉庫内にＮＯｘガスを高濃度に含む空気雰囲
気下１２か月間保管し、試験片のピンク変色を目視及び
ａ値測定によって評価した。Polyolefin 4 (MFR (230℃) 10g/10m
+1n) Form a test piece using the formulation shown in Table 1 for 100 parts by weight, store it in a warehouse for 12 months in an air atmosphere containing a high concentration of NOx gas, and visually check the pink discoloration of the test piece and measure the a value. Evaluated by.
ａ値とは、ＪＩＳ ２８７３０−１９８０ （ハンター
色差表示法）によるもので、ＪＩＳ ８７２２に規定す
る三刺激値ｘ、ｙ、ｚより次の式
％式％
で表わされるクロマティクネス指数を求めたものである
。The a value is based on JIS 28730-1980 (Hunter Color Difference Notation Method), and is the chromaticness index calculated from the tristimulus values x, y, and z specified in JIS 8722 using the following formula: be.
ａが０のとき無色、プラスになる程赤変、マイナスにな
る程緑変することを示す。When a is 0, it is colorless; the more it becomes positive, the more it turns red, and the more it becomes negative, the more it turns green.
結果を第１表に示した。表中、ＴＩＰ及び５ｔ−Ｃａは
次の化合物を示す。The results are shown in Table 1. In the table, TIP and 5t-Ca represent the following compounds.
ＴＮＰ：）リス（モノノニルフェニル及びジノニルフェ
ニル混合体）ホスファイト
５ｔ−Ｃａニステアリン酸カルシウム
（以下余白）
発明の効果
第１表から判るように、リン系化合物であってもＴＩＰ
は効果が薄く、ＩｒｇａｎｏｘｌｏｌｏやサノールＬＳ
７７０を併用しないときは、ピンク変色はないが、試験
片は緑変化した。TNP:) Lis (monononylphenyl and dinonylphenyl mixture) phosphite 5t-Ca calcium nistearate (hereinafter blank) Effects of the invention As can be seen from Table 1, even phosphorus compounds can be used as TIP.
is less effective, and Irganoxlolo and Sanol LS
When 770 was not used in combination, there was no pink discoloration, but the test piece turned green.
本発明組成物はいずれもピンク変色が著しく改善をみた
。All of the compositions of the present invention showed marked improvement in pink discoloration.
Claims (1)
る耐熱性及び耐候性にすぐれたポリオレフィン組成物。 （１）テトラキス〔メチレン−３−（３，５−ジ−ｔｅ
ｒｔ−ブチル−４−ヒドロキシフェニル）プロピオネー
ト〕メタン （２）ビス（２，２′，６，６′−テトラアルキル−４
−ピペリジン）ジカルボキシレート （３）次の［１］〜［４］で示されるリン系安定剤の１
種又は２種以上。 ［１］テトラキス−（２−ｔｅｒｔ−又は２，４−ジ−
ｔｅｒｔ−アルキルフェニル）−４，２′一又は４，４
′−ビアリ−レンジホスホナイト ［２］水素添加ビスフェノール系−ペンタエリスリトー
ルホスファイトポリマー ［３］ジＣ＿１＿０〜Ｃ＿２＿０アルキルペンタエリス
リトールジフォスファイト ［４］ビス（２−ｔｅｒｔ又は２，４−ジ−ｔｅｒｔ−
アルキルフェニル）ペンタエリスリトールジホスファイ
ト[Scope of Claims] A polyolefin composition with excellent heat resistance and weather resistance, characterized by blending the following compound into a polyolefin. (1) Tetrakis [methylene-3-(3,5-di-te)
rt-butyl-4-hydroxyphenyl)propionate]methane(2)bis(2,2',6,6'-tetraalkyl-4
-piperidine) dicarboxylate (3) 1 of the phosphorus stabilizers shown in the following [1] to [4]
A species or two or more species. [1] Tetrakis-(2-tert- or 2,4-di-
tert-alkylphenyl)-4,2'-1 or 4,4
'-Biary diphosphonite [2] Hydrogenated bisphenol-pentaerythritol phosphite polymer [3] DiC_1_0-C_2_0 alkyl pentaerythritol diphosphite [4] Bis(2-tert or 2,4-di-tert-
alkylphenyl) pentaerythritol diphosphite
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61160836A JPH0762094B2 (en) | 1986-07-10 | 1986-07-10 | Polyolefin composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61160836A JPH0762094B2 (en) | 1986-07-10 | 1986-07-10 | Polyolefin composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6317944A true JPS6317944A (en) | 1988-01-25 |
| JPH0762094B2 JPH0762094B2 (en) | 1995-07-05 |
Family
ID=15723462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61160836A Expired - Fee Related JPH0762094B2 (en) | 1986-07-10 | 1986-07-10 | Polyolefin composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0762094B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02182961A (en) * | 1988-12-29 | 1990-07-17 | Toray Ind Inc | Filament nonwoven fabric and production thereof |
| JPH02182960A (en) * | 1988-12-29 | 1990-07-17 | Toray Ind Inc | Filament nonwoven fabric and production thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5425931A (en) * | 1977-07-30 | 1979-02-27 | Matsushita Electric Works Ltd | Method of making inorganic hardened plate |
| JPS60120732A (en) * | 1983-12-05 | 1985-06-28 | Chisso Corp | Stabilized polyolefin composition |
| JPS60124642A (en) * | 1983-12-10 | 1985-07-03 | Chisso Corp | Stabilized polyolefin composition |
| JPS60130635A (en) * | 1983-12-17 | 1985-07-12 | Chisso Corp | Stabilized polyolefin composition |
| JPS60199039A (en) * | 1984-03-22 | 1985-10-08 | Chisso Corp | Stabilized polyolefin composition |
| JPS6153344A (en) * | 1984-08-22 | 1986-03-17 | Adeka Argus Chem Co Ltd | Radiation-resistant polyolefin composition |
| JPS62138542A (en) * | 1985-12-11 | 1987-06-22 | Sumitomo Chem Co Ltd | Polyolefin composition |
-
1986
- 1986-07-10 JP JP61160836A patent/JPH0762094B2/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5425931A (en) * | 1977-07-30 | 1979-02-27 | Matsushita Electric Works Ltd | Method of making inorganic hardened plate |
| JPS60120732A (en) * | 1983-12-05 | 1985-06-28 | Chisso Corp | Stabilized polyolefin composition |
| JPS60124642A (en) * | 1983-12-10 | 1985-07-03 | Chisso Corp | Stabilized polyolefin composition |
| JPS60130635A (en) * | 1983-12-17 | 1985-07-12 | Chisso Corp | Stabilized polyolefin composition |
| JPS60199039A (en) * | 1984-03-22 | 1985-10-08 | Chisso Corp | Stabilized polyolefin composition |
| JPS6153344A (en) * | 1984-08-22 | 1986-03-17 | Adeka Argus Chem Co Ltd | Radiation-resistant polyolefin composition |
| JPS62138542A (en) * | 1985-12-11 | 1987-06-22 | Sumitomo Chem Co Ltd | Polyolefin composition |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02182961A (en) * | 1988-12-29 | 1990-07-17 | Toray Ind Inc | Filament nonwoven fabric and production thereof |
| JPH02182960A (en) * | 1988-12-29 | 1990-07-17 | Toray Ind Inc | Filament nonwoven fabric and production thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0762094B2 (en) | 1995-07-05 |
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| LAPS | Cancellation because of no payment of annual fees |