JPS6375048A - Transparent polypropylene sheet - Google Patents
Transparent polypropylene sheetInfo
- Publication number
- JPS6375048A JPS6375048A JP21876086A JP21876086A JPS6375048A JP S6375048 A JPS6375048 A JP S6375048A JP 21876086 A JP21876086 A JP 21876086A JP 21876086 A JP21876086 A JP 21876086A JP S6375048 A JPS6375048 A JP S6375048A
- Authority
- JP
- Japan
- Prior art keywords
- ethylene
- propylene
- sheet
- butene
- random copolymer
- 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.)
- Pending
Links
- -1 polypropylene Polymers 0.000 title claims abstract description 24
- 239000004743 Polypropylene Substances 0.000 title claims description 11
- 229920001155 polypropylene Polymers 0.000 title claims description 11
- 229920005604 random copolymer Polymers 0.000 claims abstract description 19
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000005977 Ethylene Substances 0.000 claims abstract description 10
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 claims abstract description 10
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims abstract description 9
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims abstract description 9
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229920000642 polymer Polymers 0.000 claims abstract description 8
- FMZUHGYZWYNSOA-VVBFYGJXSA-N (1r)-1-[(4r,4ar,8as)-2,6-diphenyl-4,4a,8,8a-tetrahydro-[1,3]dioxino[5,4-d][1,3]dioxin-4-yl]ethane-1,2-diol Chemical class C([C@@H]1OC(O[C@@H]([C@@H]1O1)[C@H](O)CO)C=2C=CC=CC=2)OC1C1=CC=CC=C1 FMZUHGYZWYNSOA-VVBFYGJXSA-N 0.000 claims abstract description 4
- 125000003545 alkoxy group Chemical group 0.000 claims abstract description 4
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 4
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 3
- 150000002367 halogens Chemical class 0.000 claims abstract description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 abstract description 9
- LDLDYFCCDKENPD-UHFFFAOYSA-N ethenylcyclohexane Chemical compound C=CC1CCCCC1 LDLDYFCCDKENPD-UHFFFAOYSA-N 0.000 abstract description 4
- 229920005675 propylene-butene random copolymer Polymers 0.000 abstract description 4
- 229940087101 dibenzylidene sorbitol Drugs 0.000 abstract description 3
- 238000013329 compounding Methods 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 11
- 239000002667 nucleating agent Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 239000003054 catalyst Substances 0.000 description 5
- 238000006116 polymerization reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- AYOOGWWGECJQPI-NSHDSACASA-N n-[(1s)-1-(5-fluoropyrimidin-2-yl)ethyl]-3-(3-propan-2-yloxy-1h-pyrazol-5-yl)imidazo[4,5-b]pyridin-5-amine Chemical compound N1C(OC(C)C)=CC(N2C3=NC(N[C@@H](C)C=4N=CC(F)=CN=4)=CC=C3N=C2)=N1 AYOOGWWGECJQPI-NSHDSACASA-N 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 2
- NIQCNGHVCWTJSM-UHFFFAOYSA-N Dimethyl phthalate Chemical compound COC(=O)C1=CC=CC=C1C(=O)OC NIQCNGHVCWTJSM-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- YNLAOSYQHBDIKW-UHFFFAOYSA-M diethylaluminium chloride Chemical compound CC[Al](Cl)CC YNLAOSYQHBDIKW-UHFFFAOYSA-M 0.000 description 2
- XULSCZPZVQIMFM-IPZQJPLYSA-N odevixibat Chemical compound C12=CC(SC)=C(OCC(=O)N[C@@H](C(=O)N[C@@H](CC)C(O)=O)C=3C=CC(O)=CC=3)C=C2S(=O)(=O)NC(CCCC)(CCCC)CN1C1=CC=CC=C1 XULSCZPZVQIMFM-IPZQJPLYSA-N 0.000 description 2
- 239000000600 sorbitol Substances 0.000 description 2
- YONPGGFAJWQGJC-UHFFFAOYSA-K titanium(iii) chloride Chemical compound Cl[Ti](Cl)Cl YONPGGFAJWQGJC-UHFFFAOYSA-K 0.000 description 2
- IAQRGUVFOMOMEM-ONEGZZNKSA-N trans-but-2-ene Chemical compound C\C=C\C IAQRGUVFOMOMEM-ONEGZZNKSA-N 0.000 description 2
- UNUVUYPEOAILGM-UHFFFAOYSA-N 4-ethenylbicyclo[2.2.1]heptane Chemical compound C1CC2CCC1(C=C)C2 UNUVUYPEOAILGM-UHFFFAOYSA-N 0.000 description 1
- 241000237519 Bivalvia Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 235000009852 Cucurbita pepo Nutrition 0.000 description 1
- 241000219104 Cucurbitaceae Species 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-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
- 241000237502 Ostreidae Species 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 235000013527 bean curd Nutrition 0.000 description 1
- 239000011230 binding agent Substances 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
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 235000020639 clam Nutrition 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- FBSAITBEAPNWJG-UHFFFAOYSA-N dimethyl phthalate Natural products CC(=O)OC1=CC=CC=C1OC(C)=O FBSAITBEAPNWJG-UHFFFAOYSA-N 0.000 description 1
- 229960001826 dimethylphthalate Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- BEFDCLMNVWHSGT-UHFFFAOYSA-N ethenylcyclopentane Chemical compound C=CC1CCCC1 BEFDCLMNVWHSGT-UHFFFAOYSA-N 0.000 description 1
- 229920005674 ethylene-propylene random copolymer Polymers 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 235000020636 oyster Nutrition 0.000 description 1
- 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 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920001384 propylene homopolymer Polymers 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000007666 vacuum forming Methods 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000004711 α-olefin 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、透明ポリプロピレンシートに関する。ここで
言うシートとは通常のブレスニーダイ押出成形、カレン
ダー加工等で得られるシートであり、厚みは０．２■〜
３瓢程度のものである。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a transparent polypropylene sheet. The sheet referred to here is a sheet obtained by normal breath knee die extrusion molding, calendar processing, etc., and the thickness is 0.2cm ~
It is about the size of 3 gourds.
〈従来の技術〉 ポリプロピレンシートは食品容器、医薬容器。<Conventional technology> Polypropylene sheets are used for food containers and pharmaceutical containers.
文具類、家電関係、自動車内装等種々の分野警こ広く用
いられているが、近年透明性向上の要求が出てきている
。ポリプロピレンシートを透明化する手法としては通常
プロピレン−エチレンランダム共重合体を用いる。It is widely used in various fields such as stationery, home appliances, and automobile interiors, but in recent years there has been a demand for improved transparency. A propylene-ethylene random copolymer is usually used to make a polypropylene sheet transparent.
しかし、プロピレン−エチレンランダム共重合体を用い
たシートは透明性は良好であるが。However, sheets using propylene-ethylene random copolymers have good transparency.
剛性及び低温耐衝撃性にやや難点がある。There are some drawbacks in rigidity and low-temperature impact resistance.
〈発明が解決しようとする問題点〉
本発明は、かかるプロピレン−エチレンランダム共重合
体の良好な透明性を保持しつつ欠点である剛性及び低温
耐衝撃性を改良した透明プロピレンシートを提供するこ
とを目的とする。<Problems to be Solved by the Invention> An object of the present invention is to provide a transparent propylene sheet that maintains good transparency of the propylene-ethylene random copolymer and improves the rigidity and low-temperature impact resistance, which are the disadvantages of the propylene-ethylene random copolymer. With the goal.
〈問題点を解決するための手段〉
本発明は、エチレンをＯ−１０ｗｔ％およびプテンヲｌ
−３０ｗｔ％含有スるエチレン−プロピレン−７’テン
ランダム共重合体に（Ａ）及び／又は■で示される物質
が配合されていることを特徴とする透明ポリプロピレン
シート
（Ａ） 一般式〔Ｉ〕で表わされるジベンジリデンソル
ビトール誘導体Ｏ，ＯＳ〜０．５ｗｔ％（式中、Ｒは炭
素数１〜８のアルキル、ハｏ’ｙ’ン、 炭ｉ数ｔ〜４
のアルコキシのいずレカであり、同一化合物中で異なっ
ていても良い。ｍおよびｎはそれぞれ独立にＯ〜３の整
数を採り得る。）
■ ビニルシクロアルカンの重合体０．０５〜１０００
０１００Ｏ０
に係るものである。<Means for Solving the Problems> The present invention provides ethylene in O-10wt% and butene.
- A transparent polypropylene sheet (A) characterized in that the substance represented by (A) and/or (■) is blended into a 30 wt% ethylene-propylene-7'ten random copolymer (General formula [I]) Dibenzylidene sorbitol derivative O, OS ~ 0.5 wt% (wherein, R is alkyl having 1 to 8 carbon atoms, carbon i number t ~ 4
Each of the alkoxy groups may be different in the same compound. m and n can each independently take an integer of O to 3. ) ■ Vinylcycloalkane polymer 0.05-1000
0100O0.
本発明で用いるエチレン−プロピレン−ブテンランダム
共重合体蚤こ於ては、エチレン含有量は０−１０ｓｖｔ
％、ブテン含有量は１〜３０ｗｔ％であり、好ましくは
エチレンｌ〜６ｗｔ％、ブテン２〜２０ｗｔ％、さらに
好ましくはエチレン１．５〜５ｗｔ％、ブテン２〜Ｉ
５ｗｔ％である。本発明のシート原料として特に好まし
いものはエチレン１．５〜５ｗｔ％、ブテン２〜１５ｗ
ｔ％を含有するプロピレン−エチレン−ブテンの三元ラ
ンダム共重合体である。In the ethylene-propylene-butene random copolymer fleas used in the present invention, the ethylene content is 0-10 svt.
%, butene content is 1 to 30 wt%, preferably ethylene 1 to 6 wt%, butene 2 to 20 wt%, more preferably ethylene 1.5 to 5 wt%, butene 2 to I
It is 5wt%. Particularly preferable sheet raw materials for the present invention include 1.5 to 5 wt% ethylene and 2 to 15 wt% butene.
t% of propylene-ethylene-butene ternary random copolymer.
この範囲以下では剛性・透明性等のバランスの改良効果
はほとんど無く、これ以上では透明性は良くなるが、剛
性が低下し、成形体として実用的でなくなる。Below this range, there is almost no effect of improving the balance of rigidity, transparency, etc. Above this range, transparency improves, but the rigidity decreases, making it impractical as a molded article.
好ましいエチレン、ブテン含有量を達成する為にプロピ
レン−エチレンランダム共重合体。Propylene-ethylene random copolymer to achieve preferred ethylene, butene content.
プロピレン−ブテンランダム共重合体、プロピレン−エ
チレン−ブテン三元ランダム共重合体。Propylene-butene random copolymer, propylene-ethylene-butene ternary random copolymer.
さらにはプロピレンホモ重合体を適宜混合する事ができ
る。Furthermore, a propylene homopolymer can be appropriately mixed.
本発明に於て用いるエチレン−プロピレン−ブテンラン
ダム共重合体のＭｌについて特に規定はしないが、押出
シート加工、カレンダーシート加工時等にはＭＩ＝Ｏ，
１〜２０の範囲が実用的である。この範囲外ではシート
加工時に困難があるからである。Although there is no particular restriction on the Ml of the ethylene-propylene-butene random copolymer used in the present invention, during extrusion sheet processing, calender sheet processing, etc., MI=O,
A range of 1 to 20 is practical. This is because, outside this range, it will be difficult to process the sheet.
本発明蚤こ於て用いる事ができる造核剤は、Ｎ及び／又
は■で示されるものである。もちろん他の造核剤を併用
しても良い。Nucleating agents that can be used in the flea mill of the present invention are those represented by N and/or ■. Of course, other nucleating agents may be used in combination.
（式中、Ｒは炭素数１〜８のアルキル、ハロゲン、炭素
数１〜４のアルコキシのいずれかであり、同一化合物中
で異なっていても良い。ｍおよびｎはそれぞれ独立にＯ
〜３の整数を採り得る。）
■ ビニルシクロアルカンの重合体
Ｑの配合量は０．０５〜０．５ｗｔ％であり、望ましく
は０．１〜０．４ｗｔ％である。この範囲以下では透明
性・剛性の改良効果が少なく２以上では造核剤のグリ−
ドアウド、コスト上昇等の難点がある。(In the formula, R is any one of alkyl having 1 to 8 carbon atoms, halogen, and alkoxy having 1 to 4 carbon atoms, and may be different in the same compound. m and n are each independently O
It can take an integer of ~3. ) (2) The blending amount of vinylcycloalkane polymer Q is 0.05 to 0.5 wt%, preferably 0.1 to 0.4 wt%. Below this range, the effect of improving transparency and rigidity is small, and above 2, the nucleating agent's grease is
There are drawbacks such as door-opening and increased costs.
（２）の造核剤の具体例としては以下のものがある。１
．３．２．４−ジベンジリデンソルビトール。Specific examples of the nucleating agent (2) include the following. 1
．． 3.2.4-Dibenzylidene sorbitol.
１、３．２．４−ジ（ｐ−メチルーベンンリデン）ソル
ビトール、 １，３，２，４．−ジ（ｐ−エチル−ベ
ンジリデン）ソルビトール
−ジメチルベンジリデン）ソルビトール。1,3.2.4-di(p-methylbennylidene)sorbitol, 1,3,2,4. -di(p-ethyl-benzylidene)sorbitol-dimethylbenzylidene)sorbitol.
本発明に用いられるビニルシクロアルカンの重合体の含
有量は０．０５ 〜ｌｏｏｏｏｗｔ ｐｐｍが好ましい
。さらに好ましくは０．５〜５０００ ｗｔ Ｉ）Ｉ）
ｍである。The content of the vinylcycloalkane polymer used in the present invention is preferably 0.05 to loooowt ppm. More preferably 0.5 to 5000 wt I)I)
It is m.
本発明に用いられるビニルシクロアルカンの具体的化合
物としては，ビニルシクロペンタン。A specific example of the vinylcycloalkane used in the present invention is vinylcyclopentane.
ビニルシクロヘキサン、ビニルノルボルナン等力アルカ
，特に好ましいものはビニルシクロヘ午サンである。ビ
ニルシクロアルカンの重合体とは、特開昭６０−１３９
７１０号公報に示される方法で得られるもので。Vinylcyclohexane, vinylnorbornane alkali, and particularly preferred is vinylcyclohexane. What is a vinylcycloalkane polymer?
It is obtained by the method shown in Publication No. 710.
（１） チーグラーナツタ触媒等を用いてビニルシク
ロアルカンを重合したもの
（２） チーグラーナツタ触媒等を用いて第一段目で
ビニルシクロアルカンを重合し、引続いて第二段目でプ
ロピレンを単独重合又は他のα−オレフィンとの共重合
を行ったものであり、この第一段目と第二段目は逆の順
で行っても良い。(1) Polymerization of vinylcycloalkane using a Ziegler-Natsuta catalyst, etc. (2) Polymerization of vinylcycloalkane in the first stage using a Ziegler-Natsuta catalyst, followed by polymerization of propylene alone in the second stage. Polymerization or copolymerization with other α-olefins is performed, and the first stage and second stage may be performed in the reverse order.
目的量のエチレン、ブテンを含有したプロピレンランダ
ム共重合体に造核剤を配合したシートを得る事は公知の
方法で行われる。A sheet prepared by blending a nucleating agent with a propylene random copolymer containing a desired amount of ethylene and butene can be obtained by a known method.
ｆｆｔわち、プロピレンランダム共重合体に（Ａ）また
は■で示される造核剤を配合し、この時目的によりて他
の付加的成分１例えば酸化防止剤。fft That is, the propylene random copolymer is blended with the nucleating agent shown in (A) or (2), and at this time, depending on the purpose, other additional components 1, such as an antioxidant.
滑剤、帯電防止剤、顔料、耐候剤等を加えても良＜、ヘ
ンシェルミキサー等で混合し、バンバリーミキサ−、ロ
ール、押出造粒機等で処理した後、Ｔ−ダイ式押出機、
カレンダーロール。A lubricant, an antistatic agent, a pigment, a weathering agent, etc. may be added. After mixing with a Henschel mixer, etc., and processing with a Banbury mixer, roll, extrusion granulator, etc., a T-die extruder,
calendar roll.
射出成形機等でシートに加工する。Process it into a sheet using an injection molding machine, etc.
〈実施例〉
以下実施例、比較例を述べるが４本発明はこれらにより
何ら制限されるものではない。<Examples> Examples and comparative examples will be described below, but the present invention is not limited thereto in any way.
すべての実施例、比較例には以下の添加剤が配合されて
いる。All Examples and Comparative Examples contain the following additives.
ＢＨＴ （ジターシャリ−ブチル−ｐ−クレゾール）０
．００１部、 ｂｇｌｏＩｏ（テトラキス〔メチレン−
３−（３，５−ジ−ｔ−ブチル−４−ヒドロキシフェニ
ル）プロピオネートコメタン、チパガイギー社製） ０
．００１部、カルシウムステアレー） ０．０００５
部。BHT (ditertiary-butyl-p-cresol) 0
．． 001 parts, bgloIo(tetrakis[methylene-
3-(3,5-di-t-butyl-4-hydroxyphenyl)propionate comethane, manufactured by Cipa Geigy) 0
．． 001 parts, calcium stearate) 0.0005
Department.
また、すべての実施例、比較例において、結晶性ポリプ
ロピレン、添加剤、造核剤等の配合物はヘンシェルミキ
サーで混合後、設定温度２５０℃で６５誼φ押出機４こ
より押出してペレット化し１組成物を得た。In addition, in all Examples and Comparative Examples, the formulations of crystalline polypropylene, additives, nucleating agents, etc. were mixed in a Henschel mixer and then extruded through four 65 mm diameter extruders at a set temperature of 250°C to pelletize them into one composition. I got something.
該組成物を物性測定に供する為を二以下の方法で試片を
得た。In order to use the composition for measuring physical properties, specimens were obtained using the following two methods.
（１）プレスシート ＪＩＳ Ｋ ６７５８（２）押
出シート 設定温度２４０℃のＴ−ダイ付き押出機を
用いた。(1) Pressed sheet JIS K 6758 (2) Extruded sheet An extruder with a T-die with a set temperature of 240°C was used.
この時チルロール、タラ チロールは６０℃であった。At this time, chill roll, cod Tyrol was 60°C.
シートの厚さは０．７ｍで あった。The thickness of the sheet is 0.7m. there were.
なお実施例、比較例中の物性測定方法は以下による。In addition, the physical property measurement method in Examples and Comparative Examples is as follows.
（１）Ｍ Ｉ ＪＩＳ Ｋ ７２１０（
２）曲げ弾性率 ＪＩＳ Ｋ ７２０３（３）内部ヘ
イズ ＡＳＴＭ ＤＩＯ０３に準拠する方法であり、
シートをジ
メチルフタレートに浸漬
し９表面の肌荒れの影響
を除去したヘイズ。(1) M I JIS K 7210 (
2) Flexural modulus JIS K 7203 (3) Internal haze A method based on ASTM DIO03,
Haze obtained by soaking the sheet in dimethyl phthalate to remove the effects of surface roughness.
（４）引張りヤング率 ＪＩＳ Ｋ ７１１３（５
）デーボンインパクト 先端１／２ インチの半球
状の重錘をシート上（こ落下
させた時、試験に用いた
複数個のシートの５０％破
壊されるエネルギー。(4) Tensile Young's modulus JIS K 7113 (5
) Devon Impact Energy that destroys 50% of the sheets used in the test when a hemispherical weight with a 1/2-inch tip is dropped onto a sheet.
実施例１〜４．比較例１〜３
第１表に示されるエチレン−プロピレンランダムコポリ
マー、フロピレンーブテンランダムコホリマー、エチレ
ン−プロピレン−ブテン三元ランダムコポリマーに造核
剤として、 １，３，２゜４−（ｐ−メチルジベンジ
リデン）ツルピトー／Ｉ／（新日本理化ゲルオールＭＤ
）を０．２重量部添加した組成物を得た。これをＪＩＳ
Ｋ ６７５８に従りてプレスを行い、物性測定蚤こ供
した。Examples 1-4. Comparative Examples 1 to 3 1,3,2°4-(p -Methyldibenzylidene) Tulpitou/I/(Shin Nippon Rika Gelol MD)
) was added in an amount of 0.2 parts by weight. This is JIS
Pressing was carried out in accordance with K 6758, and physical properties were measured.
結果は第１表に示す。また、得られた組成物の曲げ弾性
率と内部ヘイズとの関係を第１図（こ示ス。エチレン−
プロピレンランダムコポリマーに比べ、フロピレン−ブ
テンランダムコポリマー及ヒエチレンーブロピレンーブ
テン三元ランダム共重合体は剛性と透明性のバランス（
こ於て、良好である事がわかる。The results are shown in Table 1. In addition, the relationship between the flexural modulus and internal haze of the obtained composition is shown in Figure 1.
Compared to propylene random copolymers, fluoropylene-butene random copolymers and hyethylene-propylene-butene ternary random copolymers have a good balance of stiffness and transparency (
It can be seen that it is in good condition.
実施例５．比較例４
第２表に゛示すプロピレンランダムコポリマーを用い押
出シートを得た。この時、６５■φのＴ−ダイ式押出機
を用い設定温度は２８０℃であり。Example 5. Comparative Example 4 An extruded sheet was obtained using a propylene random copolymer shown in Table 2. At this time, a T-die type extruder with a diameter of 65 mm was used, and the temperature was set at 280°C.
チルロール及びタッチロールは６０℃であった。The temperature of the chill roll and touch roll was 60°C.
得られたシートの厚さは０．７謹であった。この時、造
核剤としてゲルオールＭＤを０．２重量部配合した。結
果を第２表に示す。エチレン−プロピレンランダムコポ
リマーに比べ、エチレン−プロピレン−ブテン三元ラン
ダムコポリマーは透明性・剛性・耐衝撃性のバランスに
優れる事が示されている。The thickness of the obtained sheet was 0.7 mm. At this time, 0.2 parts by weight of Gelol MD was added as a nucleating agent. The results are shown in Table 2. It has been shown that ethylene-propylene-butene ternary random copolymers have a better balance of transparency, rigidity, and impact resistance than ethylene-propylene random copolymers.
第２表
実施例−６
特開昭６０−１３９７１０号公報に示される様に、脱水
精製されたｎ−へブタン２０ｆＩｔにジエチルアルミニ
ウムクロライド０．６ ｍ ｍｏｌと丸紅ソルヘー社製
の三塩化チタン触媒１．１Ｏｆを順次加えた後、この混
合液を６０℃に昇温し、続いてビニルシクロへ午サン１
０−を添加して１５分間重合を行った。Table 2 Example-6 As shown in JP-A No. 60-139710, 20 fIt of dehydrated and purified n-hebutane, 0.6 m mol of diethylaluminium chloride, and titanium trichloride catalyst 1 manufactured by Marubeni Solhe Co., Ltd. After sequentially adding .1Of, the mixture was heated to 60°C, and then poured into vinylcyclo.
0- was added and polymerization was carried out for 15 minutes.
その結果、三塩化チタン１２あたり１．２６ Ｐのビニ
ルシクロヘキサンが重合された触媒が得られた。この触
媒とジエチルアルミニウムクロライドを用いてプロピレ
ンの重合を行い、ポリビニルシクロヘキサンを０．１０
重量部含有したポリフロピレンを得た。このもののＭｌ
は１．（１／１０分であった。As a result, a catalyst was obtained in which 1.26 P of vinylcyclohexane was polymerized per 12 titanium trichloride. Using this catalyst and diethylaluminium chloride, propylene was polymerized to produce 0.10% polyvinylcyclohexane.
A polypropylene containing part by weight was obtained. Ml of this
is 1. (It was 1/10 minute.
コノポリビニルシクロへ午サンを含有スるポリプロピレ
ン３０１全部と実施例−２で用いたプロピレン−エチレ
ン−ブテン三元ランダム共重合体７０重量部とからなる
混合物から押出シートを得た。この時、６５■φのＴ−
ダイ式押出機を用い、設定温度は２８０℃であった。ま
たシートの冷却昏こはエアナイフを用いた。ロールの温
度は３５℃であうた。得られたシートの厚さは０．５鵬
であった。An extruded sheet was obtained from a mixture consisting of all 301 parts of polypropylene containing conopolyvinyl cyclohexane and 70 parts by weight of the propylene-ethylene-butene ternary random copolymer used in Example-2. At this time, T- of 65■φ
A die extruder was used, and the set temperature was 280°C. An air knife was also used to cool the sheet. The temperature of the roll was heated to 35°C. The thickness of the obtained sheet was 0.5 mm.
比較例−５
実施例−６で得られたポリビニルミクロヘキサンを含有
するポリプロピレン３０重量部と比較例−３で用いたプ
ロピレン−エチレンランダム共重合体７０重量部からな
る混合物から実施例−６と同一の方法でシートを得た。Comparative Example-5 Same as Example-6 from a mixture consisting of 30 parts by weight of polypropylene containing polyvinyl microhexane obtained in Example-6 and 70 parts by weight of the propylene-ethylene random copolymer used in Comparative Example-3. I got the sheet using this method.
実施例−６，７及び比較例−５の各シートの性状を第３
表に示す。The properties of each sheet of Examples 6 and 7 and Comparative Example 5 were
Shown in the table.
第３表
実施例−６は剛性・透明性・耐衝撃性ともに比較例−５
に比べ良好な結果が得られた。Table 3 Example-6 is a comparative example-5 in terms of rigidity, transparency, and impact resistance.
Good results were obtained compared to .
〈発明の効果〉
本発明で得られるシートは、透明性・剛性・耐衝撃性に
優れている。<Effects of the Invention> The sheet obtained by the present invention has excellent transparency, rigidity, and impact resistance.
用途としては広範であり、以下の様なものが例示される
。すなわち。It has a wide range of uses, and examples include the following. Namely.
真空成形後 豆腐、アサリ、カキ、ゼリー等の食品容器 圧空成形後 ミートトレ（、ＦＴＰ等の食品。After vacuum forming, food containers for tofu, clams, oysters, jelly, etc. Foods such as meat trays (, FTP, etc.) after air pressure forming.
医薬品等の容器
打抜き、ヒンジ加工後 クリアホルダー、ブックバイン
ダーの文具類。Punching out containers for pharmaceuticals, etc., after processing hinges, clear holders, book binders, and stationery.
ＶＴＲカセットテープ ケース、フロッピーデ ィスクケース等 射出成形品としては乾燥器、脱水機等の窓等。VTR cassette tape case, floppy disk disk case etc. Injection molded products include windows for dryers, dehydrators, etc.
第１図は実施例１〜３．比較例１〜３で得られた組成物
の曲げ弾性率と内部へイズの関係図である。
第 １ 図FIG. 1 shows examples 1 to 3. FIG. 2 is a diagram showing the relationship between the flexural modulus and internal haze of the compositions obtained in Comparative Examples 1 to 3. Figure 1
Claims (2)
０ｗｔ％含有するプロピレンランダム共重合体に（Ａ）
及び／又は（Ｂ）で示される物質が配合されていること
を特徴とする透明ポリプロピレンシート。 （Ａ）一般式〔 I 〕で表わされるジベンジリデンソル
ビトール誘導体０．０５〜０．５ｗｔ％▲数式、化学式
、表等があります▼〔 I 〕 （式中、Ｒは炭素数１〜８のアルキル、ハ ロゲン、炭素数１〜４のアルコキシのいず れかであり、同一化合物中で異なっていて も良い。ｍおよびｎはそれぞれ独立に０〜 ３の整数を採り得る。） （Ｂ）ビニルシクロアルカンの重合体０．０５〜１００
００ｗｔｐｐｍ。(1) 0 to 10 wt% ethylene and 1 to 3 butene
(A) to the propylene random copolymer containing 0 wt%
A transparent polypropylene sheet characterized by containing a substance represented by and/or (B). (A) Dibenzylidene sorbitol derivative represented by the general formula [I] 0.05-0.5wt% ▲ Numerical formulas, chemical formulas, tables, etc. are available ▼ [I] (In the formula, R is alkyl having 1 to 8 carbon atoms, halogen, alkoxy having 1 to 4 carbon atoms, and may be different in the same compound. m and n can each independently take an integer of 0 to 3.) (B) Polymer of vinylcycloalkane Combined 0.05-100
00wtppm.
ロヘキサンである特許請求の範囲第１項記載の透明ポリ
プロピレンシート。(2) The transparent polypropylene sheet according to claim 1, wherein the vinylcycloalkane polymer is polyvinylcyclohexane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21876086A JPS6375048A (en) | 1986-09-17 | 1986-09-17 | Transparent polypropylene sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21876086A JPS6375048A (en) | 1986-09-17 | 1986-09-17 | Transparent polypropylene sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6375048A true JPS6375048A (en) | 1988-04-05 |
Family
ID=16724970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21876086A Pending JPS6375048A (en) | 1986-09-17 | 1986-09-17 | Transparent polypropylene sheet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6375048A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5049605A (en) * | 1989-09-20 | 1991-09-17 | Milliken Research Corporation | Bis(3,4-dialkylbenzylidene) sorbitol acetals and compositions containing same |
| US5961914A (en) * | 1996-05-03 | 1999-10-05 | Milliken & Company | Method of thermoforming polyolefin resin |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5477654A (en) * | 1977-12-01 | 1979-06-21 | Toray Ind Inc | Polypropylene film having improved transparency |
| JPS58157841A (en) * | 1982-03-15 | 1983-09-20 | Mitsubishi Petrochem Co Ltd | Propylene polymer composition |
| JPS59164348A (en) * | 1983-03-09 | 1984-09-17 | Mitsubishi Petrochem Co Ltd | Propylene copolymer composition |
| JPS6121144A (en) * | 1984-07-09 | 1986-01-29 | Sumitomo Chem Co Ltd | Polypropylene sheet |
-
1986
- 1986-09-17 JP JP21876086A patent/JPS6375048A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5477654A (en) * | 1977-12-01 | 1979-06-21 | Toray Ind Inc | Polypropylene film having improved transparency |
| JPS58157841A (en) * | 1982-03-15 | 1983-09-20 | Mitsubishi Petrochem Co Ltd | Propylene polymer composition |
| JPS59164348A (en) * | 1983-03-09 | 1984-09-17 | Mitsubishi Petrochem Co Ltd | Propylene copolymer composition |
| JPS6121144A (en) * | 1984-07-09 | 1986-01-29 | Sumitomo Chem Co Ltd | Polypropylene sheet |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5049605A (en) * | 1989-09-20 | 1991-09-17 | Milliken Research Corporation | Bis(3,4-dialkylbenzylidene) sorbitol acetals and compositions containing same |
| US5961914A (en) * | 1996-05-03 | 1999-10-05 | Milliken & Company | Method of thermoforming polyolefin resin |
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