JPH0371461B2 - - Google Patents
Info
- Publication number
- JPH0371461B2 JPH0371461B2 JP60130365A JP13036585A JPH0371461B2 JP H0371461 B2 JPH0371461 B2 JP H0371461B2 JP 60130365 A JP60130365 A JP 60130365A JP 13036585 A JP13036585 A JP 13036585A JP H0371461 B2 JPH0371461 B2 JP H0371461B2
- Authority
- JP
- Japan
- Prior art keywords
- mold
- rubber
- contamination
- rubber composition
- cleaning
- 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 - Lifetime
Links
- 239000000203 mixture Substances 0.000 claims description 28
- 229920001971 elastomer Polymers 0.000 claims description 22
- 239000005060 rubber Substances 0.000 claims description 22
- 238000004140 cleaning Methods 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- -1 aliphatic amino alcohol Chemical class 0.000 claims description 7
- 239000002738 chelating agent Substances 0.000 claims description 7
- 125000003277 amino group Chemical group 0.000 claims description 5
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical class NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims description 3
- 125000000217 alkyl group Chemical group 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 238000011109 contamination Methods 0.000 description 16
- 238000012360 testing method Methods 0.000 description 10
- 239000000356 contaminant Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000000465 moulding Methods 0.000 description 8
- 238000005202 decontamination Methods 0.000 description 6
- 230000003588 decontaminative effect Effects 0.000 description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 150000001414 amino alcohols Chemical class 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 229920003244 diene elastomer Polymers 0.000 description 3
- 229920005558 epichlorohydrin rubber Polymers 0.000 description 3
- 238000004073 vulcanization Methods 0.000 description 3
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 description 2
- URDCARMUOSMFFI-UHFFFAOYSA-N 2-[2-[bis(carboxymethyl)amino]ethyl-(2-hydroxyethyl)amino]acetic acid Chemical compound OCCN(CC(O)=O)CCN(CC(O)=O)CC(O)=O URDCARMUOSMFFI-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 2
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- WUGQZFFCHPXWKQ-UHFFFAOYSA-N Propanolamine Chemical compound NCCCO WUGQZFFCHPXWKQ-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 150000002611 lead compounds Chemical class 0.000 description 2
- 238000000053 physical method Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- FAGUFWYHJQFNRV-UHFFFAOYSA-N tetraethylenepentamine Chemical compound NCCNCCNCCNCCN FAGUFWYHJQFNRV-UHFFFAOYSA-N 0.000 description 2
- 150000003752 zinc compounds Chemical class 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- BTANRVKWQNVYAZ-UHFFFAOYSA-N butan-2-ol Chemical compound CCC(C)O BTANRVKWQNVYAZ-UHFFFAOYSA-N 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000004453 electron probe microanalysis Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 231100001231 less toxic Toxicity 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 238000010068 moulding (rubber) Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 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
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Description
本発明は金型掃除用ゴム組成物に関するもので
あつて、特にゴム等の成形によつて汚染した金型
を外すことなく通常の加硫成形と同様な成形作業
を行うことにより、汚染物を取除く方式の未加硫
ゴム組成物の改良を目的としたものである。
The present invention relates to a rubber composition for cleaning molds, and in particular, it can remove contaminants by performing molding operations similar to ordinary vulcanization molding without removing molds contaminated by molding rubber, etc. The purpose is to improve unvulcanized rubber compositions that can be removed.
従来より、金型に付着したゴムとか合成樹脂の
除去は、サンドブラストやワイヤーブラシを使用
する物理的方法と、金型をカセイソーダや硫酸液
で処理する化学的方法、ガス燃焼により発生する
焔を吹付ける方法、その他、電解法、超音波洗浄
法、蒸気吹付法等がある。また、化学的方法の一
種とも考えられるアミノ基と水酸基とを同一分子
に含む化合物を金型へ吹付けて汚染物を取除く金
型清浄剤を用いる方法や、これをゴム組成物とし
て金型での成形により汚染物を一体化して取除く
方法がある。物理的方法は金型を傷つけたり、
隅々まで取除くことができない難点があり、最近
では後者の化学的方法が実施される場合が多い。
前記金型に付着した汚染物をゴム組成物により
除去する方法の提案は古く、例えば米国特許第
3476599号（1969年11月４日）がある。我国にお
いても多くの提案がなされているが（例えば特開
昭58−122942号）、いずれも類似の技術である。
また、特開昭58−114932号にはアミノアルコー
ルとしてのモノエタノールアミンと、少量の脂肪
酸セツケン及びアンモニア発生剤としての尿素と
を混合した清浄用ゴム組成物が記載されている。
Traditionally, rubber and synthetic resin attached to molds have been removed using physical methods such as sandblasting or wire brushing, chemical methods such as treating molds with caustic soda or sulfuric acid, and blowing flames generated by gas combustion. Other methods include electrolysis, ultrasonic cleaning, and steam spraying. In addition, there is a method using a mold cleaner that removes contaminants by spraying a compound containing an amino group and a hydroxyl group in the same molecule onto the mold, which is considered to be a type of chemical method, and a method using a mold cleaner that removes contaminants by using this as a rubber composition. There is a method to remove contaminants by molding them into one piece. Physical methods will not damage the mold,
Recently, the latter chemical method is often used because it has the disadvantage that it cannot be completely removed. The method of removing contaminants adhering to the mold using a rubber composition has been proposed for some time, for example, in U.S. Patent No.
There is No. 3476599 (November 4, 1969). Many proposals have been made in Japan (for example, Japanese Patent Application Laid-open No. 122942/1983), but all of them are similar technologies. Further, JP-A-58-114932 describes a cleaning rubber composition in which monoethanolamine as an amino alcohol is mixed with a small amount of fatty acid soap and urea as an ammonia generator.
このような従来提案された金型清浄ゴム組成物
は、金型金属とその表面汚染物間の結合がアミノ
基と水酸基とを有した化合物によつて弱められる
結果によると考えられているが、実際には浄化効
果がさほど期待できないのが現状である。特に、
従来の金型清浄ゴム組成物は鉛化合物や亜鉛化合
物等の金属化合物が金型へ付着している場合には
除染が困難であつた。
特開昭58−114932号記載の組成物は、清浄効果
はみられるが、しかし加熱された金型で、通常の
ゴム成形と同じ操作によりこのゴム組成物を成形
中に汚れた金型表面を清浄するため、熱によりア
ンモニア臭気が充満し、作業環境の著しい悪化を
をもたらす。しかも、モノエタノールアミンは毒
性が強い欠点もある。
It is thought that such conventionally proposed mold cleaning rubber compositions are due to the fact that the bond between the mold metal and its surface contaminants is weakened by a compound having an amino group and a hydroxyl group. In reality, the purification effect cannot be expected to be that great at present. especially,
Conventional mold cleaning rubber compositions have been difficult to decontaminate when metal compounds such as lead compounds and zinc compounds adhere to the mold. The composition described in JP-A No. 58-114932 has a cleaning effect, but it is possible to clean the dirty mold surface during molding with a heated mold using the same operation as normal rubber molding. During cleaning, the heat creates an ammonia odor, which significantly deteriorates the working environment. Moreover, monoethanolamine also has the disadvantage of being highly toxic.
本発明は、上記欠点を排除し、かつ、重金属を
含むエピクロロヒドリンゴム等による汚染除去に
も有用な金型掃除用ゴム組成物を開発するために
なされたもので、汎用ゴム組成物100部に対して、
炭素数３〜４の直鎖又は分岐アルキル基を有する
脂肪族アミノアルコール５〜30部、金属キレート
化剤として２以上のアミノ基を有する脂肪族アミ
ン、又はアミノカルボン酸の中から選ばれた１種
又は２種以上の混合物１〜40部とを添加してなる
金型掃除用ゴム組成物を開発したのである。
この本発明の組成物において、アミノアルコー
ルは炭素数３〜４の直鎖又は分岐アルキル基を有
する脂肪族アミノアルコールが好ましく、例え
ば、Ｎ−プロパノールアミン、２−アミノ−２−
メチルプロパノールなどである。金属キレート化
剤は２以上のアミノ基を有する脂肪族アミン、又
はアミノカルボン酸等の中から選ばれた１種又は
２種以上の混合物が好ましい。金属キレート化剤
の具体的化合物には、ジエチレントリアミン
（DETA）、トリエチレンテトラミン（TETA）、
テトラエチレンペンタミン（TEPA）、エチレン
ジアミン四酢酸（EDTA）、ヒドロキシエチルエ
チレンジアミン三酢酸（HEDTA）トリエチレン
テトラミン六酢酸（TTHA）など公知のものが
挙げられる。
The present invention was made in order to eliminate the above-mentioned drawbacks and to develop a rubber composition for cleaning molds that is also useful for removing contamination by epichlorohydrin rubber containing heavy metals. For,
1 selected from 5 to 30 parts of aliphatic amino alcohol having a straight chain or branched alkyl group having 3 to 4 carbon atoms, an aliphatic amine having 2 or more amino groups as a metal chelating agent, or an aminocarboxylic acid They have developed a mold cleaning rubber composition containing 1 to 40 parts of a seed or a mixture of two or more types. In the composition of the present invention, the amino alcohol is preferably an aliphatic amino alcohol having a straight chain or branched alkyl group having 3 to 4 carbon atoms, such as N-propanolamine, 2-amino-2-
Examples include methylpropanol. The metal chelating agent is preferably one or a mixture of two or more selected from aliphatic amines having two or more amino groups, aminocarboxylic acids, and the like. Specific compounds of metal chelating agents include diethylenetriamine (DETA), triethylenetetramine (TETA),
Known examples include tetraethylenepentamine (TEPA), ethylenediaminetetraacetic acid (EDTA), hydroxyethylethylenediaminetriacetic acid (HEDTA), and triethylenetetraminehexaacetic acid (TTHA).
上記のような構造の金型掃除用ゴム組成物は従
来のモノエタノールアミンより高級の脂肪族アミ
ノアルコールであるので、毒性が少なく、これの
みを含む場合に比べて、アミノアルコールと金属
キレート化剤との相乗効果により金型から汚染物
が完全に除去される。特に、金型の汚染物質が鉛
化合物を含むゴム、すなわち、エピクロルヒドリ
ンゴム、クロロプレンゴムやその他の特殊ゴム等
においては、金属汚れが発生するが、金属キレー
トを形成して良好な除染が行われる。また、有毒
ガスを発生することもない。
以下実施例によつて本発明を詳細に説明する。
The rubber composition for mold cleaning with the above structure is a higher aliphatic amino alcohol than conventional monoethanolamine, so it is less toxic and has a higher concentration of amino alcohol and metal chelating agent than when it contains only this aliphatic amino alcohol. Contaminants are completely removed from the mold due to the synergistic effect. In particular, metal contamination occurs in rubbers where mold contaminants contain lead compounds, such as epichlorohydrin rubber, chloroprene rubber, and other special rubbers, but metal chelates are formed and good decontamination is achieved. . Also, it does not emit toxic gas. The present invention will be explained in detail below with reference to Examples.
下記第１表中No.１〜４に示したような組成の金
型掃除用ジエン系ゴム組成物を調製した。比較例
No.１及びNo.２は従来品に相当する。
各組成物はSBR、ステアリン酸、珪酸、パー
Diene rubber compositions for cleaning molds having the compositions shown in Nos. 1 to 4 in Table 1 below were prepared. Comparative example
No. 1 and No. 2 correspond to conventional products. Each composition contains SBR, stearic acid, silicic acid,
【表】
オキサイド加硫剤からなる汎用ゴム組成物を公知
の手段により混練調製後、アミノアルコールであ
るＮ−プロパノールアミンを加え、次いで、各組
成物毎に異なる金属キレート化剤を添加して未加
硫（生）ゴムの状態とした。
上記組成の金型掃除用ゴム組成物を用いて汚染
除去効果を試験した結果を第２表に示した。
試験は汚染物分析用金型を用い、SS41汚染試
験金具（１mm×10mmφ）をその内部へセツトし
て、加硫条件、160℃、30分間で汚染用ジエン系
ゴム（組成を第３表に示した）を30〜60回成形
し、汚染試験金具を取出してＸ線マイクロアナラ
イザー（EPMA）により注目される汚染成分に
ついて分析した。
この試験によつて明らかとなつたことは、炭
素、酸化亜鉛、酸化珪素、硫酸根について、いず
れの場合も除染効果が大きく、特に、酸化亜鉛の
除染効果が比較例に比べても際立つて大きい。ま
た、鉄についてみると、金型が汚れている場合は
少ないカウント数として現れるが、本発明の除染
効果[Table] After kneading and preparing a general-purpose rubber composition consisting of an oxide vulcanizing agent by known means, N-propanolamine, which is an amino alcohol, was added, and then a different metal chelating agent was added for each composition. It was in the state of vulcanized (raw) rubber. Table 2 shows the results of testing the contamination removal effect using the mold cleaning rubber composition having the above composition. The test was conducted using a mold for contamination analysis, with an SS41 contamination test fitting (1 mm x 10 mmφ) set inside the mold, and diene rubber for contamination (composition shown in Table 3) under vulcanization conditions of 160°C for 30 minutes. (shown) was molded 30 to 60 times, and the contamination test fittings were taken out and analyzed for notable contamination components using an X-ray microanalyzer (EPMA). This test revealed that the decontamination effect of carbon, zinc oxide, silicon oxide, and sulfuric acid radicals is large in all cases, and that the decontamination effect of zinc oxide is particularly outstanding compared to comparative examples. It's big. Regarding iron, if the mold is dirty, it appears as a small number of counts, but the decontamination effect of the present invention
【表】 によつて、多くのカウント数が得られている。【table】 A large number of counts have been obtained.
【表】
次に鉛が配合されている汚染試験用含塩素系ゴ
ムによる除染試験を行なつた。試験に使用した成
形用ゴム組成物の配合は第４表の通りである。[Table] Next, a decontamination test was conducted using chlorine-containing rubber for contamination tests containing lead. The formulation of the molding rubber composition used in the test is shown in Table 4.
【表】【table】
【表】
汚染物分析用金型を用い前記例同様にSS41汚
染試験金具をその内部へセツトして、加硫条件
160℃、10分で、30回成形して汚染を生じさせた。
次いで、汚染試験金具を取出して前記同様Ｘ線
マイクロアナライザーにより注目される汚染成分
について分析した。その結果を第５表に示した。
この分析結果から明らかなように、亜鉛とか鉛[Table] Using a contaminant analysis mold, set the SS41 contamination test fitting inside it in the same way as in the previous example, and set the vulcanization conditions.
Contamination was caused by molding 30 times at 160°C for 10 minutes. Next, the contamination test fitting was taken out and analyzed for contamination components of interest using an X-ray microanalyzer as described above. The results are shown in Table 5. As is clear from this analysis result, zinc and lead
【表】
の除染効率が非常によく、特に従来品の比較例と
比べて明らかなように金属汚染の除去効率が非常
に良い。非金属汚染に関しても同様である。The decontamination efficiency of [Table] is very good, especially when compared with the comparative example of the conventional product, the removal efficiency of metal contamination is very good. The same applies to non-metal contamination.
本発明は以上詳述したような金型掃除用ゴム組
成物であるから、汎用のジエン系ゴム成形時に生
じる金型への有機物、塩素、硫黄化合物、亜鉛化
合物、金型表面酸化物等を金型を外すことなく取
り除くことができる。特に、金属キレート化剤の
併用により重金属を含むエピクロロヒドリンゴム
による金型汚染に対しても効率よく清浄除去がで
きるし、これの使用による作業環境の汚染がな
く、取扱いも容易である。
Since the present invention is a mold cleaning rubber composition as detailed above, it can remove organic substances, chlorine, sulfur compounds, zinc compounds, mold surface oxides, etc. from molds generated during molding of general-purpose diene rubber. It can be removed without removing the mold. In particular, by using a metal chelating agent in combination, mold contamination caused by epichlorohydrin rubber containing heavy metals can be efficiently cleaned and removed, and the work environment is not contaminated by its use, and it is easy to handle.
Claims (1)
４の直鎖又は分岐アルキル基を有する脂肪族アミ
ノアルコール５〜30部と、金属キレート化剤とし
て２以上のアミノ基を有する脂肪族アミン、又は
アミノカルボン酸の中から選ばれた１種又は２種
以上の混合物１〜40部とを添加してなる金型掃除
用ゴム組成物。1 Carbon number 3 to 100 parts of general-purpose rubber composition
5 to 30 parts of aliphatic amino alcohol having 4 linear or branched alkyl groups, and one or two selected from aliphatic amines having 2 or more amino groups or aminocarboxylic acids as metal chelating agents. A rubber composition for cleaning molds, comprising 1 to 40 parts of a mixture of at least one species.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13036585A JPS61287946A (en) | 1985-06-15 | 1985-06-15 | Rubber composition for mold cleaning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13036585A JPS61287946A (en) | 1985-06-15 | 1985-06-15 | Rubber composition for mold cleaning |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61287946A JPS61287946A (en) | 1986-12-18 |
| JPH0371461B2 true JPH0371461B2 (en) | 1991-11-13 |
Family
ID=15032630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13036585A Granted JPS61287946A (en) | 1985-06-15 | 1985-06-15 | Rubber composition for mold cleaning |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61287946A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69214099T2 (en) * | 1991-12-10 | 1997-02-06 | Bridgestone Corp | Rubber composition for cleaning metal molds and method of using them |
| JP2549829B2 (en) * | 1995-01-05 | 1996-10-30 | 日東電工株式会社 | Cleaning mold for semiconductor mold |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58114932A (en) * | 1981-12-28 | 1983-07-08 | Yoshio Taneda | Method of cleaning mold for molding rubber article and cleaning rubber composition used therefor |
-
1985
- 1985-06-15 JP JP13036585A patent/JPS61287946A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58114932A (en) * | 1981-12-28 | 1983-07-08 | Yoshio Taneda | Method of cleaning mold for molding rubber article and cleaning rubber composition used therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61287946A (en) | 1986-12-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |