JPS6010539B2 - Vinyl chloride resin composition for foaming - Google Patents
Vinyl chloride resin composition for foamingInfo
- Publication number
- JPS6010539B2 JPS6010539B2 JP6203977A JP6203977A JPS6010539B2 JP S6010539 B2 JPS6010539 B2 JP S6010539B2 JP 6203977 A JP6203977 A JP 6203977A JP 6203977 A JP6203977 A JP 6203977A JP S6010539 B2 JPS6010539 B2 JP S6010539B2
- Authority
- JP
- Japan
- Prior art keywords
- foaming
- vinyl chloride
- chloride resin
- resin composition
- zinc
- 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.)
- Expired
Links
Landscapes
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Description
【発明の詳細な説明】
本発明は新規な発泡用塩化ビニル系樹脂組成物に関する
。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a novel foamable vinyl chloride resin composition.
従釆から発泡用塩化ビニル系樹脂組成物としては発泡剤
、助剤、熱安定剤、セル調整剤、等を樹脂に含有させた
ものが用いられており、発泡剤としては普通アゾジカー
ボンアミドが、助剤としてはステアリン酸、オクチル酸
等の高級脂肪酸の亜鉛、カドミウム、あるいは鉛の塩が
使われ熱安定剤としては一般の塩化ビニル用安定剤が、
又セル調整剤としてはァルキルベンゼンスルホン酸塩類
の界面活性剤が使用されている。As a matter of fact, as a vinyl chloride resin composition for foaming, a resin containing a blowing agent, an auxiliary agent, a heat stabilizer, a cell conditioner, etc. is used, and the blowing agent is usually azodicarbonamide. However, zinc, cadmium, or lead salts of higher fatty acids such as stearic acid and octylic acid are used as auxiliaries, and general vinyl chloride stabilizers are used as heat stabilizers.
Further, as a cell conditioner, a surfactant such as an alkylbenzene sulfonate salt is used.
しかしこれら添加剤のうち助剤に関しては種々問題があ
り、未だ充分なものが存在していなかった。However, among these additives, there are various problems regarding auxiliary agents, and sufficient ones have not yet existed.
即ち従来の助剤では組成物を加熱して発泡させる場合‘
1} 発泡が開始されるまでに時間がかかる。In other words, when the composition is heated and foamed using conventional auxiliary agents,
1} It takes time for foaming to start.
(所謂超ち上りが遅いと呼んでいる)【21 起ち上り
が遅いため加熱温度(発泡炉の温度)を高くしなければ
ならない。(This is called extremely slow rise.) [21 Because the rise is slow, the heating temperature (temperature of the foaming furnace) must be increased.
即ち目的とする製品を得るためには発泡炉の温度を上げ
るか或は発泡時間を長くすることにより解決していた。That is, in order to obtain the desired product, the solution was to raise the temperature of the foaming furnace or to lengthen the foaming time.
そこで本発明者等は種々研究の結果上記の如き欠点のな
い功剤を見出し本発明を完成した。本発明による助剤は
炭素数6以下の有機カルポン酸の亜鉛塩であり、具体的
にはギ酸、酢酸、カプロン酸等の亜鉛塩および酒石酸、
グリコール酸等のオキシ酸の亜鉛塩が挙げられる。これ
等の亜鉛塩は単独であるいは2種以上混合して使用され
、通常塩化ビニル系樹脂に対し0.50〜2重量%程度
の少量添加するだけで充分な効果を発揮する。As a result of various studies, the present inventors have found a successful agent that does not have the above-mentioned drawbacks and have completed the present invention. The auxiliary agent according to the present invention is a zinc salt of an organic carboxylic acid having 6 or less carbon atoms, and specifically, a zinc salt of formic acid, acetic acid, caproic acid, etc., and tartaric acid,
Examples include zinc salts of oxyacids such as glycolic acid. These zinc salts may be used alone or in a mixture of two or more, and usually a small amount of about 0.50 to 2% by weight relative to the vinyl chloride resin exhibits sufficient effects.
2重量%を超えて添加しても構わないが、多量に用いて
も効果はあまり上昇せず、経済的に望ましくない。It may be added in an amount exceeding 2% by weight, but even if it is used in a large amount, the effect will not increase much and it is economically undesirable.
本発明に於て塩化ビニル系重合体にはポリ塩化ビニル及
びその共重体たとえば塩化ビニル−酢酸ビニル共重合体
、塩化ピニルー塩化ビニリデン共重合体等が包含される
。In the present invention, the vinyl chloride polymer includes polyvinyl chloride and copolymers thereof, such as vinyl chloride-vinyl acetate copolymer, pinychloride-vinylidene chloride copolymer, and the like.
この塩化ビニル系樹脂は単独で又は2種以上混合して或
は塩化ピニル系樹脂と他の重合体たとえば各種合成ゴム
やエチレン一酢酸ビニル共重合体、アクリロニトリルー
ブタジェンースチレン共重合体等とブレンドして使用さ
れ得る。This vinyl chloride resin may be used alone or in combination of two or more, or in combination with a vinyl chloride resin and other polymers such as various synthetic rubbers, ethylene monovinyl acetate copolymers, acrylonitrile-butadiene-styrene copolymers, etc. Can be used in blends.
実際に発泡を行う際の添加剤としては上記の功剤以外に
常法に従い公知の発泡剤、ステアリン酸カルシウム、バ
リウム、ラウリン酸カルシウム、バリウム、安息香酸カ
ルシウム、バリウムの如き熱安定剤、セル調整剤、更に
は必要に応じて可塑剤、補助可塑剤、填料顔料等公知の
各種添加剤を任意に配合すれば良い。In addition to the above-mentioned additives, additives used in actual foaming include conventional foaming agents, heat stabilizers such as calcium stearate, barium, calcium laurate, barium, calcium benzoate, and barium, cell regulators, Furthermore, various known additives such as plasticizers, auxiliary plasticizers, fillers and pigments may be optionally blended as necessary.
発泡剤としては、発泡温度、経済性等からみて、アゾジ
カーボンアミドが最適である。As the foaming agent, azodicarbonamide is most suitable in terms of foaming temperature, economical efficiency, etc.
以下実施例により具体的に説明する。This will be explained in detail below using examples.
実施例 1
下記配合組成の成分をミキシングロールで160℃、5
分間混練し、厚さ0.3脚のシートを作製し、200q
oに保ったギャーオーブンに入れて発泡状態を測定した
。Example 1 The ingredients with the following composition were heated at 160°C with a mixing roll for 50 minutes.
Knead for minutes to make a sheet with a thickness of 0.3 feet, and 200q
The foaming state was measured by placing the mixture in a gear oven maintained at 0.000C.
発泡倍率はシートの厚みを測定Jして算出した。結果は
第1表の通りである。The expansion ratio was calculated by measuring the thickness of the sheet. The results are shown in Table 1.
配合組成
PVC(Ceon lo班p) 10碇
都DOP
80 Zアゾジカーボンアミド 3ステ
アリン酸バリウム 1
第1表記載の亜鉛塩 第1表記戦の量第1表×発
泡倍率
第1表から分る如く従来使用されていたステアリン酸亜
鉛、オクチル酸亜鉛に較べて、本発明品である酢酸、酪
酸、酒石酸の亜鉛塩が優れた効果を示している。Blend composition PVC (Ceon lo group p) 10 Ikarito DOP
80 Z Azodicarbonamide 3 Barium stearate 1 Zinc salt listed in Table 1 Quantity listed in Table 1 × Expansion ratio As can be seen from Table 1, zinc stearate and zinc octylate used conventionally. In comparison, zinc salts of acetic acid, butyric acid, and tartaric acid, which are products of the present invention, show excellent effects.
実施例 2
下記配合組成の成分をガラス板上に0.3側の厚さに延
ばして、ギャーオーブンに180こ○で5分間放置しキ
ュアーシートを作製した。Example 2 The ingredients having the following composition were spread on a glass plate to a thickness of 0.3, and left in a gear oven at 180 degrees for 5 minutes to produce a cured sheet.
得られたシートを200ooに保ったギャーオーブンに
入れ発泡状態を測定した。The obtained sheet was placed in a gear oven maintained at 200 oo, and the foaming state was measured.
発泡倍率はシートの厚みを測定して算出した。結果は第
2表の通りである。配合組成
PVC(Q。The expansion ratio was calculated by measuring the thickness of the sheet. The results are shown in Table 2. Blend composition: PVC (Q.
n121) 10疎部DOP
80アゾジカー
ボンアミド 3ステアリン酸バリウム
0.5第2表記載の亜鉛塩 第2表記戦
の量第2表第2表からも第1表と同様に既存のステアリ
ン酸亜鉛、オクチル酸亜鉛に較べて本発明品が優れてい
ることが分る。n121) 10 sparse DOP
80Azodicarbonamide 3Barium stearate
0.5 Zinc salt listed in Table 2 Quantity listed in Table 2 From Table 2, as in Table 1, the product of the present invention is superior to existing zinc stearate and zinc octylate. I understand.
Claims (1)
二種以上とアゾジカーボンアミドを含有する発泡用塩化
ビニル系樹脂組成物。1. A foamable vinyl chloride resin composition containing one or more organic carboxylic acid zinc salts having 6 or less carbon atoms and azodicarbonamide.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6203977A JPS6010539B2 (en) | 1977-05-26 | 1977-05-26 | Vinyl chloride resin composition for foaming |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6203977A JPS6010539B2 (en) | 1977-05-26 | 1977-05-26 | Vinyl chloride resin composition for foaming |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS53145876A JPS53145876A (en) | 1978-12-19 |
JPS6010539B2 true JPS6010539B2 (en) | 1985-03-18 |
Family
ID=13188617
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6203977A Expired JPS6010539B2 (en) | 1977-05-26 | 1977-05-26 | Vinyl chloride resin composition for foaming |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6010539B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4655962A (en) * | 1986-03-25 | 1987-04-07 | Uniroyal Chemical Company, Inc. | Blowing agent composition |
-
1977
- 1977-05-26 JP JP6203977A patent/JPS6010539B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS53145876A (en) | 1978-12-19 |
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