JPS6377956A - Polyolefin composition - Google Patents
Polyolefin compositionInfo
- Publication number
- JPS6377956A JPS6377956A JP22345186A JP22345186A JPS6377956A JP S6377956 A JPS6377956 A JP S6377956A JP 22345186 A JP22345186 A JP 22345186A JP 22345186 A JP22345186 A JP 22345186A JP S6377956 A JPS6377956 A JP S6377956A
- Authority
- JP
- Japan
- Prior art keywords
- polyolefin
- extract
- licorice
- alpha
- licorice extract
- 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 21
- 239000000203 mixture Substances 0.000 title claims abstract description 6
- 229940069445 licorice extract Drugs 0.000 claims abstract description 13
- 238000002156 mixing Methods 0.000 claims abstract description 5
- 229920001577 copolymer Polymers 0.000 abstract description 8
- 239000003381 stabilizer Substances 0.000 abstract description 7
- 241000202807 Glycyrrhiza Species 0.000 abstract description 4
- 235000001453 Glycyrrhiza echinata Nutrition 0.000 abstract description 4
- 235000006200 Glycyrrhiza glabra Nutrition 0.000 abstract description 4
- 235000017382 Glycyrrhiza lepidota Nutrition 0.000 abstract description 4
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 abstract description 4
- 150000001993 dienes Chemical class 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 229940010454 licorice Drugs 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 abstract description 4
- 239000004711 α-olefin Substances 0.000 abstract description 4
- 230000006641 stabilisation Effects 0.000 abstract description 3
- 238000011105 stabilization Methods 0.000 abstract description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 abstract description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 abstract description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 abstract description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 abstract description 2
- 229920001400 block copolymer Polymers 0.000 abstract description 2
- 238000001035 drying Methods 0.000 abstract description 2
- 229920001519 homopolymer Polymers 0.000 abstract description 2
- 229940050176 methyl chloride Drugs 0.000 abstract description 2
- 229920005604 random copolymer Polymers 0.000 abstract description 2
- -1 ethylene, propylene Chemical group 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 2
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 150000002989 phenols Chemical class 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- IKEHOXWJQXIQAG-UHFFFAOYSA-N 2-tert-butyl-4-methylphenol Chemical compound CC1=CC=C(O)C(C(C)(C)C)=C1 IKEHOXWJQXIQAG-UHFFFAOYSA-N 0.000 description 1
- YHQXBTXEYZIYOV-UHFFFAOYSA-N 3-methylbut-1-ene Chemical compound CC(C)C=C YHQXBTXEYZIYOV-UHFFFAOYSA-N 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 239000004378 Glycyrrhizin Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
- 239000008116 calcium stearate Substances 0.000 description 1
- 235000013539 calcium stearate Nutrition 0.000 description 1
- 230000002925 chemical effect Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- LPLVUJXQOOQHMX-UHFFFAOYSA-N glycyrrhetinic acid glycoside Natural products C1CC(C2C(C3(CCC4(C)CCC(C)(CC4C3=CC2=O)C(O)=O)C)(C)CC2)(C)C2C(C)(C)C1OC1OC(C(O)=O)C(O)C(O)C1OC1OC(C(O)=O)C(O)C(O)C1O LPLVUJXQOOQHMX-UHFFFAOYSA-N 0.000 description 1
- UYRUBYNTXSDKQT-UHFFFAOYSA-N glycyrrhizic acid Natural products CC1(C)C(CCC2(C)C1CCC3(C)C2C(=O)C=C4C5CC(C)(CCC5(C)CCC34C)C(=O)O)OC6OC(C(O)C(O)C6OC7OC(O)C(O)C(O)C7C(=O)O)C(=O)O UYRUBYNTXSDKQT-UHFFFAOYSA-N 0.000 description 1
- 229960004949 glycyrrhizic acid Drugs 0.000 description 1
- 235000019410 glycyrrhizin Nutrition 0.000 description 1
- LPLVUJXQOOQHMX-QWBHMCJMSA-N glycyrrhizinic acid Chemical compound O([C@@H]1[C@@H](O)[C@H](O)[C@H](O[C@@H]1O[C@@H]1C([C@H]2[C@]([C@@H]3[C@@]([C@@]4(CC[C@@]5(C)CC[C@@](C)(C[C@H]5C4=CC3=O)C(O)=O)C)(C)CC2)(C)CC1)(C)C)C(O)=O)[C@@H]1O[C@H](C(O)=O)[C@@H](O)[C@H](O)[C@H]1O LPLVUJXQOOQHMX-QWBHMCJMSA-N 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000002667 nucleating agent Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920005629 polypropylene homopolymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000000126 substance Substances 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、ポリオレフィンの安定化に関するものである
。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to the stabilization of polyolefins.
〈従来の技術〉
ポリオレフィンの成形加工は通常２００℃以上、時には
３００℃近い高温でおこなわれる為に、熱、酸素（空気
）等の化学的作用およびせん断力等の機械的作用により
分子量の低下が生じ、機械的性質の低下や着色がおこる
。このような成形時の品質低下を防止する為に、通常安
定剤が添加されることは周知の通りである。<Prior art> Polyolefin molding is usually carried out at high temperatures of 200°C or higher, sometimes close to 300°C, so chemical effects such as heat, oxygen (air), and mechanical effects such as shear force can cause a decrease in molecular weight. This results in deterioration of mechanical properties and coloring. It is well known that stabilizers are usually added to prevent quality deterioration during molding.
従来ポリオレフィンの安定剤として２，６−ジーｔｅｒ
ｔ−ブチル−Ｐ−クレゾール（ＢＩＴ）等のフェノー
ル系化合物が広く用いられている。Conventionally, 2,6-diter was used as a stabilizer for polyolefins.
Phenolic compounds such as t-butyl-P-cresol (BIT) are widely used.
しかし、これらのフェノール系化合物は熱安定化効果は
高いものの、人体に対する安全性が大きく問題視され、
無毒の安定剤が要求されるようになった。However, although these phenolic compounds have a high thermal stabilizing effect, their safety to the human body is considered to be a major problem.
Non-toxic stabilizers are now required.
この要求は食品包装、食品容器、医療器具および玩具等
の分野において特に望まれている。This requirement is particularly desirable in the fields of food packaging, food containers, medical instruments, toys, and the like.
〈発明が解決しようとする問題点〉
かかる現状において、本発明が解決すべき問題点、すな
わち本発明の目的は、上述のような従来の安定剤にみら
れる欠点のない新規な安定剤、すなわち天然物由来の物
質のみからなる安全性が高く、かつ熱安定化効果のすぐ
れた安定剤を使用して成形時のポリオレフィンの品質低
下を防止することにある。<Problems to be Solved by the Invention> Under the current situation, the problems to be solved by the present invention, that is, the purpose of the present invention is to provide a novel stabilizer that does not have the drawbacks of conventional stabilizers as described above, namely The object of the present invention is to prevent deterioration in the quality of polyolefin during molding by using a stabilizer that is highly safe and has an excellent heat stabilizing effect and is made only of substances derived from natural products.
〈問題点を解決する為の手段〉
本発明は、ポリオレフィンに甘草抽出物を配合すること
を特徴とするポリオレフィン組成物であって、上記従来
の問題点を解決するものである。<Means for Solving the Problems> The present invention is a polyolefin composition characterized by blending a licorice extract with a polyolefin, which solves the above-mentioned conventional problems.
以下、本発明につき詳細に説明する。Hereinafter, the present invention will be explained in detail.
本発明で用いられるポリオレフィンは、エチレン、プロ
ピレン、ブテン−１、ヘキセン−１，４−メチルーペン
テン−１などのα−オレフィンの単独重合体あるいは２
種以上からなるランダムおよびブロック共重合体であり
、ポリエチレン、ポリプロピレン、ポリブテン−１、ポ
リイソブチン、ポリ−３−メチル−ブテン−１、ポリ−
４−メチル−ペンテン−１、エチレン−プロピレン共重
合体、エチレン−ブテン−１共重合体、エチレン−４−
メチル−ペンテン−１共重合体、プロピレン−ブテン−
１共重合体、プロピレン−４−メチル−ペンテン−１共
重合体、デセン−１−４−メチルペンテン−１共重合体
、エチレン−プロピレン−ブテン−１共重合体などが例
示される。共重合の場合にはα−オレフィンと共に共役
ジエンや非共役ジエンのような多不飽和化合物あるいは
アクリル酸、メタクリル酸、酢酸ビニル等を共重合成分
するものも含む、これらの重合体は酸変性されたもの、
例えば、α、β−不飽和脂肪酸、脂環族カルボン酸また
はこれらの誘導体でグラフト変性された重合体であって
もよく、ゴム状、樹脂状、ワックス状の重合体を含むも
のである。The polyolefin used in the present invention is a homopolymer or a di-olefin of ethylene, propylene, butene-1, hexene-1,4-methyl-pentene-1, etc.
It is a random and block copolymer consisting of polyethylene, polypropylene, polybutene-1, polyisobutyne, poly-3-methyl-butene-1, poly-
4-methyl-pentene-1, ethylene-propylene copolymer, ethylene-butene-1 copolymer, ethylene-4-
Methyl-pentene-1 copolymer, propylene-butene-
1 copolymer, propylene-4-methyl-pentene-1 copolymer, decene-1-4-methylpentene-1 copolymer, and ethylene-propylene-butene-1 copolymer. In the case of copolymerization, these polymers include those in which polyunsaturated compounds such as conjugated dienes and non-conjugated dienes, or acrylic acid, methacrylic acid, vinyl acetate, etc. are copolymerized together with α-olefins, and these polymers are acid-modified. things,
For example, it may be a polymer graft-modified with an α,β-unsaturated fatty acid, an alicyclic carboxylic acid, or a derivative thereof, and includes rubber-like, resin-like, and wax-like polymers.
また、これらのポリオレフィンはブレンド品であっても
よい。Moreover, these polyolefins may be a blended product.
本発明に用いられる甘草抽出物は、甘草を原料として抽
出精製した甘草抽出物である。例えばせ草根粉砕物を塩
化メチルで抽出し、減圧乾燥して作られる。また、甘草
からグリチルリチンを抽出した後の残りも原料とするこ
ともできる。The licorice extract used in the present invention is a licorice extract extracted and purified using licorice as a raw material. For example, it is made by extracting crushed grass roots with methyl chloride and drying under reduced pressure. Further, the residue after glycyrrhizin is extracted from licorice can also be used as a raw material.
該甘草抽出物はポリオレフィン１００重量部に対して０
．００１〜１０重量部配合す置部とにより熱安定化の効
果が発揮され、好ましくは、０．０１〜１重量部さらに
好ましくは、０．０５〜０．５重量部配合される。 本
発明の組成物には、その特性を害しない限り、他の添加
剤、例えば紫外線吸収剤、光安定剤、酸化防止剤、金属
石鹸類、造核剤、滑剤、帯電防止剤、難燃剤、顔料、充
填剤および可塑剤等を配合しても良い。The licorice extract is 0% based on 100 parts by weight of polyolefin.
．． The heat stabilizing effect is exhibited by adding 0.001 to 10 parts by weight, preferably 0.01 to 1 part by weight, more preferably 0.05 to 0.5 parts by weight. The composition of the present invention may contain other additives, such as ultraviolet absorbers, light stabilizers, antioxidants, metal soaps, nucleating agents, lubricants, antistatic agents, flame retardants, as long as they do not impair its properties. Pigments, fillers, plasticizers, etc. may also be blended.
〈実施例〉
以下、実施例をあげ本発明を具体的に説明するが、本発
明はこれらにより限定されるものではない。<Examples> The present invention will be specifically described below with reference to Examples, but the present invention is not limited thereto.
実施例１〜３
ポリプロピレン（ホモポリマー）の粉末（極限粘度；
〔η） ＝２．１ ） １００重量部に対してステアリ
ン酸カルシウム０．０３重量部、および甘草抽出物を表
１記載の量だけ配合し、ヘンシェルミキサーで混合し６
５ｍφ抽出機を用いて２３０℃で窒素雰囲気下で押出し
て造粒し、それらのメルトインデックス（Ｍｌ）を、Ｊ
Ｉ Ｓ Ｋ７２１０に準じて測定した結果を第１表
に示す。Examples 1 to 3 Polypropylene (homopolymer) powder (intrinsic viscosity;
[η) = 2.1) 0.03 parts by weight of calcium stearate and licorice extract were blended in the amounts listed in Table 1 per 100 parts by weight, mixed with a Henschel mixer, and mixed with 6 parts by weight.
They were extruded and granulated using a 5 mφ extractor at 230°C under a nitrogen atmosphere, and their melt index (Ml) was determined by J.
Table 1 shows the results measured according to IS K7210.
比較例１〜２
比較例１において、甘草抽出物を添加しない場合比較例
２において甘草抽出物のかわりに２，６−シーｔｅｒｔ
−ブチル−Ｐ−クレゾール（商品名スミライザーＢ）Ｉ
Ｔ ’）を添加して実施例１と同様におこなった結果を
第１表に示した。Comparative Examples 1 to 2 In Comparative Example 1, licorice extract was not added. In Comparative Example 2, 2,6-sheet tert was added instead of licorice extract.
-Butyl-P-cresol (trade name Sumilizer B) I
Table 1 shows the results obtained in the same manner as in Example 1 except that T') was added.
第１表
〈発明の効果〉
本発明により、ポリオレフィンに、無毒な甘草抽出物を
配合することにより、無添加のポリオレフィンに比して
優れた熱安定性を有するポリオレフィン組成物が得られ
た。Table 1 <Effects of the Invention> According to the present invention, by blending a non-toxic licorice extract with a polyolefin, a polyolefin composition having superior thermal stability compared to a polyolefin without additives was obtained.
Claims (1)
るポリオレフィン組成物。A polyolefin composition characterized by blending licorice extract with polyolefin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22345186A JPH0735456B2 (en) | 1986-09-19 | 1986-09-19 | Polyolefin composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22345186A JPH0735456B2 (en) | 1986-09-19 | 1986-09-19 | Polyolefin composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6377956A true JPS6377956A (en) | 1988-04-08 |
| JPH0735456B2 JPH0735456B2 (en) | 1995-04-19 |
Family
ID=16798350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22345186A Expired - Lifetime JPH0735456B2 (en) | 1986-09-19 | 1986-09-19 | Polyolefin composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0735456B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999062985A3 (en) * | 1998-06-02 | 2000-08-24 | Urichem Tech Ind Inc | A polymer composition comprising natural stabilizers |
-
1986
- 1986-09-19 JP JP22345186A patent/JPH0735456B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999062985A3 (en) * | 1998-06-02 | 2000-08-24 | Urichem Tech Ind Inc | A polymer composition comprising natural stabilizers |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0735456B2 (en) | 1995-04-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1073588A (en) | Polypropylene composition | |
| KR920004893B1 (en) | Impact polypropylene | |
| JPH0920843A (en) | Polyolefin composition resistant to high-energy radiation, and article produced therefrom | |
| JPS5974153A (en) | Resin composition | |
| AU2167801A (en) | Flame-proof polyolefin compositions | |
| EP0320001A2 (en) | Elastoplastic compositions and process for preparing them | |
| US4414053A (en) | Polymer blends and easy-peel films prepared therefrom | |
| JPS6335640A (en) | Film forming composition and antifog film produced therefrom | |
| EP0230143B1 (en) | Photodegrading agent, photodegradable ethylene polymer compositions and articles produced therefrom | |
| JPH0493340A (en) | Olefin polymer composition | |
| JP3419477B2 (en) | Zinc salts of certain mercapto compounds and sterically hindered phenols in olefin polymer-based thermoplastic elastomers to improve thermal aging | |
| GB2152515A (en) | Blends of LLDPE, LDPE and PP for films having improved stiffness and good optical properties | |
| US4273893A (en) | Ternary blends of low density ethylene polymers, ethylene-alkyl acrylate copolymers and amorphous isobutylene polymers | |
| JPS6377956A (en) | Polyolefin composition | |
| JP2001523281A (en) | Soft thermoplastic polyolefin composition | |
| JPH0564984B2 (en) | ||
| JPH0214373B2 (en) | ||
| JP3369238B2 (en) | Filler-containing resin composition for ventilation sheet | |
| EP0837904B1 (en) | Enhanced toughening and improved processability of polyolefins and polyolefin copolymers with low molecular weight additives | |
| JPH0496947A (en) | Polyethylene resin composition | |
| JPH023424B2 (en) | ||
| CA2175877A1 (en) | 4-methyl-1-pentene polymer compositions | |
| JPH09118820A (en) | Food packaging material | |
| JP2797434B2 (en) | Breathable deodorized or aromatic film | |
| JP3424362B2 (en) | Olefin polymer composition |