JPS62205142A - Chloroprene rubber composition - Google Patents
Chloroprene rubber compositionInfo
- Publication number
- JPS62205142A JPS62205142A JP4754486A JP4754486A JPS62205142A JP S62205142 A JPS62205142 A JP S62205142A JP 4754486 A JP4754486 A JP 4754486A JP 4754486 A JP4754486 A JP 4754486A JP S62205142 A JPS62205142 A JP S62205142A
- Authority
- JP
- Japan
- Prior art keywords
- chloroprene rubber
- rubber composition
- weight
- parts
- imidazole
- 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
- 229920001084 poly(chloroprene) Polymers 0.000 title claims abstract description 23
- 239000000203 mixture Substances 0.000 title claims abstract description 19
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 claims abstract description 30
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 10
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 10
- 125000001567 quinoxalinyl group Chemical class N1=C(C=NC2=CC=CC=C12)* 0.000 claims abstract description 8
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 5
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 5
- 239000000920 calcium hydroxide Substances 0.000 claims abstract description 5
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims abstract description 5
- 239000011787 zinc oxide Substances 0.000 claims abstract description 5
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 4
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 4
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 230000003712 anti-aging effect Effects 0.000 claims description 9
- YLMXNQPOOVZIHK-UHFFFAOYSA-N 1,3-bis[3-(dimethylamino)propyl]thiourea Chemical group CN(C)CCCNC(=S)NCCCN(C)C YLMXNQPOOVZIHK-UHFFFAOYSA-N 0.000 claims description 3
- 125000004448 alkyl carbonyl group Chemical group 0.000 claims description 2
- 125000003277 amino group Chemical group 0.000 claims description 2
- 125000004663 dialkyl amino group Chemical group 0.000 claims description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims 1
- 239000002253 acid Substances 0.000 abstract description 7
- 150000002736 metal compounds Chemical class 0.000 abstract description 7
- 230000006866 deterioration Effects 0.000 abstract description 4
- 239000003112 inhibitor Substances 0.000 abstract 2
- 230000000052 comparative effect Effects 0.000 description 12
- 238000007906 compression Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 6
- 239000000370 acceptor Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 238000004073 vulcanization Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000002542 deteriorative effect Effects 0.000 description 2
- -1 dimethylaminopropyl Chemical group 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000004636 vulcanized rubber Substances 0.000 description 2
- 150000003751 zinc Chemical class 0.000 description 2
- UDYXMTORTDACTG-UHFFFAOYSA-N 1,1,3-tributylthiourea Chemical compound CCCCNC(=S)N(CCCC)CCCC UDYXMTORTDACTG-UHFFFAOYSA-N 0.000 description 1
- YHMYGUUIMTVXNW-UHFFFAOYSA-N 1,3-dihydrobenzimidazole-2-thione Chemical compound C1=CC=C2NC(S)=NC2=C1 YHMYGUUIMTVXNW-UHFFFAOYSA-N 0.000 description 1
- WNYHOOQHJMHHQW-UHFFFAOYSA-N 1-chloropyrene Chemical compound C1=C2C(Cl)=CC=C(C=C3)C2=C2C3=CC=CC2=C1 WNYHOOQHJMHHQW-UHFFFAOYSA-N 0.000 description 1
- XGIDEUICZZXBFQ-UHFFFAOYSA-N 1h-benzimidazol-2-ylmethanethiol Chemical compound C1=CC=C2NC(CS)=NC2=C1 XGIDEUICZZXBFQ-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000006057 Non-nutritive feed additive Substances 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 1
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 description 1
- 229960002447 thiram Drugs 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、クロロプレンゴム組成物に関する。[Detailed description of the invention] [Industrial application field] The present invention relates to chloroprene rubber compositions.
更に詳しくは、クロロプレンゴムが本来有する好ましい
物性を実質的に低下させることなく、耐熱性などを改善
せしめたゴム組成物に関する。More specifically, the present invention relates to a rubber composition that has improved heat resistance and the like without substantially deteriorating the desirable physical properties inherent in chloroprene rubber.
クロロプレンゴムは、高強度でありかつ耐油性、耐疲労
性にすぐれた材料として２等速ジヨイント用ブーツやボ
ールジヨイント用ダストカバーなどを始め多くの製品分
野で用いられている。しかしながら、グロロブレンゴム
分子中には炭素−塩素結合や炭素−炭素二重結合が存在
し、このような構造に基因して熱や酸素に対して不安定
となるため、実際の使用時に硬化劣化や強度低下による
亀裂を生じるという問題がみられる。Chloroprene rubber is a material with high strength and excellent oil resistance and fatigue resistance, and is used in many product fields including boots for constant velocity joints and dust covers for ball joints. However, glolobrene rubber molecules contain carbon-chlorine bonds and carbon-carbon double bonds, and these structures make them unstable to heat and oxygen, resulting in deterioration of hardening and strength during actual use. There is a problem that cracks occur due to deterioration.
こうした問題を改善するために、現在は老化防止剤を配
合するなどの配合処方が用いられているが、こうした対
応の仕方では生地の耐スコーチ性が悪化するなどの欠点
があり、ユーザーの要求に十分対応できていない状況１
こある。In order to improve these problems, compounding formulations such as adding anti-aging agents are currently being used, but these methods have disadvantages such as worsening the scorch resistance of the fabric, and do not meet user requirements. Situations that are not adequately addressed 1
There it is.
本発明者は、亀裂発生の一つの原因ともなっている耐熱
性を改善させることにより、かがる問題を解決すること
を意図し、種々の検討を行なフた結果、クロロプレンゴ
ムの加硫剤として特定のキノキサリン誘導体を使用し、
これを４種類の受酸剤金属化合物およびイミダゾール系
老化防止剤と併用することにより、クロロプレンゴムが
本来有する好ましい物性である強度や生地の耐スコーチ
性などを実質的に低下させることなく、耐熱性などを改
善し得ることを見出した。The inventor of the present invention intended to solve the problem of curing by improving heat resistance, which is one of the causes of cracking, and as a result of various studies, the inventor developed a vulcanizing agent for chloroprene rubber. using certain quinoxaline derivatives as
By using this in combination with four types of acid acceptor metal compounds and an imidazole-based anti-aging agent, it is possible to improve heat resistance without substantially reducing the desirable physical properties of chloroprene rubber, such as strength and scorch resistance of fabrics. We found that it is possible to improve the
ｃ問題点を解決するための手段〕および〔作用〕従って
１本発明は耐熱性などの改善されたクロロプレンゴム組
成物に係り、このクロロプレンゴム組成物は、クロロプ
レンゴム、次の一般式で表わされるキノキサリン誘導体
（ここで、Ｒは水素原子、アルキル基、アミノ基、モノ
アルキルアミノ基、ジアルキルアミノ基またはアルキル
カルボニル基である）、酸化亜鉛、酸化マグネシウム、
炭酸カルシウム、水酸化カルシウムおよびイミダゾール
系老化防止剤を含有してなる。c) Means for Solving the Problems] and [Operations] Therefore, 1. The present invention relates to a chloroprene rubber composition with improved heat resistance, etc. Quinoxaline derivatives (wherein R is a hydrogen atom, an alkyl group, an amino group, a monoalkylamino group, a dialkylamino group, or an alkylcarbonyl group), zinc oxide, magnesium oxide,
Contains calcium carbonate, calcium hydroxide and imidazole anti-aging agent.
クロロプレンゴムとしては、非イオウ変性タイプのもの
が好んで用いられる。加硫剤としてのキノキサリン誘導
体としては、一般にアルキル基、好ましくは６−メチル
基であるものが用いられる。As the chloroprene rubber, a non-sulfur modified type is preferably used. Quinoxaline derivatives used as vulcanizing agents generally have an alkyl group, preferably a 6-methyl group.
キノキサリン誘導体は、クロロピレンゴム１００重量部
当り約０．５〜３重量部、好ましくは約１〜２重量部の
割合で用いられる。使用割合がこれ以上になると、生地
の耐スコーチ性が悪くなり、一方これ以下の割合で用い
られると、本発明の目的とする耐熱性の改善効果が得ら
れない。The quinoxaline derivative is used in an amount of about 0.5 to 3 parts by weight, preferably about 1 to 2 parts by weight, per 100 parts by weight of chloropyrene rubber. If the proportion used is higher than this, the scorch resistance of the fabric will deteriorate, while if the proportion is lower than this, the effect of improving heat resistance, which is the objective of the present invention, will not be obtained.
酸化亜鉛、酸化マグネシウム、炭酸カルシウムおよび水
酸化カルシウムは、いずれも受酸剤として用いられてい
る金属化合物であり、これらは４種類が一緒に用いられ
なければ、耐スコーチ性や強度を低下させることなく、
耐熱性の改善という本発明の目的を達成させることがで
きない、これらの金属化合物は、いずれもクロロプレン
ゴム１００重量部当り約２〜３０重量部、好ましくは約
４〜１０重量部の割合で用いられる。Zinc oxide, magnesium oxide, calcium carbonate, and calcium hydroxide are all metal compounds used as acid acceptors, and if these four types are not used together, they can reduce scorch resistance and strength. Without,
These metal compounds, which cannot achieve the purpose of the present invention of improving heat resistance, are used in a proportion of about 2 to 30 parts by weight, preferably about 4 to 10 parts by weight, per 100 parts by weight of chloroprene rubber. .
また、イミダゾール系老化防止剤としては、２−メルカ
プトベンゾイミダゾールまたはその亜鉛塩。Moreover, as an imidazole type anti-aging agent, 2-mercaptobenzimidazole or its zinc salt is used.
２−メルカプトメチルベンゾイミダゾールまたはその亜
鉛塩、トリブチルチオウレア、１，３−ビス（ジメチル
アミノプロピル）−２−チオウレアなどが用いられ、好
ましくは１，３−ビス（ジメチルアミノプロピル）−２
−チオウレアが用いられる。これらのイミダゾール系老
化防止剤は、クロロプレンゴム１００重量部当り約０．
１〜２重量部、好ましくは約０．３〜０．７５重量部の
割合で用いられる。これ以上の割合で用いられると、加
硫成形品の圧縮永久歪が悪くなり、一方これより少ない
使用割合では、耐熱性の改善効果が達成されないように
なる。2-mercaptomethylbenzimidazole or its zinc salt, tributylthiourea, 1,3-bis(dimethylaminopropyl)-2-thiourea, etc. are used, preferably 1,3-bis(dimethylaminopropyl)-2
- Thiourea is used. These imidazole-based anti-aging agents have a content of about 0.0% per 100 parts by weight of chloroprene rubber.
It is used in a proportion of 1 to 2 parts by weight, preferably about 0.3 to 0.75 parts by weight. If it is used in a proportion greater than this, the compression set of the vulcanized product will deteriorate, while if it is used in a proportion less than this, the effect of improving heat resistance will not be achieved.
以上の各成分を必須成分とする本発明のクロロプレンゴ
ム組成物中には、更に各種の充填剤、補強剤、可盟剤、
加工助剤、顔料、Ｅｌ燃化剤などを必要に応じて配合す
ることができ、また加硫促進剤を併用することで、比較
的低温での加硫を容易に行なうことができる。The chloroprene rubber composition of the present invention containing the above-mentioned components as essential components further includes various fillers, reinforcing agents, plasticizers,
Processing aids, pigments, El retardants, etc. can be blended as necessary, and vulcanization at relatively low temperatures can be easily carried out by using a vulcanization accelerator in combination.
組成物の調製は、任意の手段、例えばミキシングロール
、バンバリーミキサ−１各種ニーダー類などを使用する
ことによって行われ、調製された組成物の加硫は、一般
に約１００〜２００℃の温度に約０．５〜１２０分間程
度加熱しながら、加圧成形、射出成形などの成形法を適
用することによって行われる。The composition may be prepared by any means, such as mixing rolls, Banbury mixer-1 various kneaders, etc., and the prepared composition is generally vulcanized at a temperature of about 100 to 200°C. This is carried out by applying a molding method such as pressure molding or injection molding while heating for about 0.5 to 120 minutes.
本発明に係るクロロプレンゴム組成物は、クロロプレン
ゴムが本来有する好ましい諸物性、具体的には引張強さ
などを実質的に低下させることなく、耐熱性などを改善
させることができる。従って、この組成物は、前述の如
き諸用途を有効に使用することができる。The chloroprene rubber composition according to the present invention can improve heat resistance and the like without substantially reducing various desirable physical properties that chloroprene rubber inherently has, specifically, tensile strength and the like. Therefore, this composition can be effectively used for various purposes as described above.
次に、実施例について本発明を説明する、実施例、比較
例１〜５
以上の共通成分の他に、後記表に示される受酸剤金属化
合物が配合され、これらの混合物を６０〜７０℃のオー
プンロールで混練し、シート化されたものを金型に入れ
、１８０℃、ｌｏＯｋｇｆ／ｄ、】０分間の条件下で、
ＪＩＳ Ｋ−６３０１の試験法に規定さ九た試験片に加
圧成形した。Next, the present invention will be explained with reference to Examples, Examples and Comparative Examples 1 to 5. In addition to the above common components, acid acceptor metal compounds shown in the table below are blended, and the mixture is heated at 60 to 70°C. The mixture was kneaded with an open roll, and the sheet was put into a mold at 180°C, loOkgf/d, ]0 minutes.
It was press-molded into a test piece according to the test method of JIS K-6301.
得られた加圧成形品について、次の項目の測定を行なっ
た。The following items were measured for the obtained pressure-molded product.
硬さ、引張強さ、１００％モジュラス、圧縮永久歪：Ｊ
ＩＳ Ｋ−６３０１の加硫ゴム物理試験方法に準するム
ーニースコーチタイム：
１２５℃での５ポイント上昇時間（分）空気加熱老化試
験：
１２０℃に１４０時間空気中で加熱した後の１００％モ
ジュラスおよび引張強さの変化率を、ＪＩＳ Ｋ、−６
３０１の加硫ゴムの空気加熱老化試験方法に準じて測定
比較例６
実施例において、１，３−ビス（ジメチルアミノプロピ
ル）〜２−チオウレアが用いられなかった。Hardness, tensile strength, 100% modulus, compression set: J
Mooney scorch time according to IS K-6301 vulcanized rubber physical test method: 5 point rise time (min) at 125°C Air heating aging test: 100% modulus and after heating to 120°C for 140 hours in air The rate of change in tensile strength is determined by JIS K, -6
Comparative Example 6 Measured according to the air heating aging test method for vulcanized rubber No. 301 In the example, 1,3-bis(dimethylaminopropyl) to 2-thiourea was not used.
比較例７
比較例６において、６−メチル置換キノキサリン誘導体
およびペンタエリスリトールが用いられず、２−メルカ
プトイミダシリン（バイエル社製量バルチカットＮＰＶ
／Ｃ）およびテトラメチルチウラムジスルファイド（入
内新興化学製品ツクセラーＴＴ）がそれぞれ１重量部、
受酸剤金属化合物と共に用いられ、得られた加圧成形品
について同様の測定が行われた。Comparative Example 7 In Comparative Example 6, the 6-methyl-substituted quinoxaline derivative and pentaerythritol were not used, and 2-mercaptoimidacillin (Bayer's Balticat NPV) was used.
/C) and tetramethylthiuram disulfide (Irunai Shinko Kagaku Seisen Tsukusela TT), 1 part by weight each,
Similar measurements were performed on the resulting press-formed products used together with the acid acceptor metal compound.
これらの測定結果は後記表に示されるが、この結果から
次のようなことがいえる。The results of these measurements are shown in the table below, and the following can be said from the results.
（１）受酸剤４成分の内、その内の１成分でも欠いた場
合には、本発明の目的を達成することができない。即ち
、酸化亜鉛を欠く比較例１では引張強さおよび耐熱性に
劣り、ｌｌ化マグネシウムを欠く比較例２では耐スコー
チが悪化し、炭酸カルシウムを欠く比較例３および水酸
化カルシウムを欠く比較例４ではいずれも圧縮永久歪が
改善されず、また２種の酸化物を欠く比較例５では耐ス
コーチ性、引張強さおよびその変化率の点で劣っている
。(1) If even one of the four acid acceptor components is missing, the object of the present invention cannot be achieved. That is, Comparative Example 1 lacking zinc oxide has poor tensile strength and heat resistance, Comparative Example 2 lacking magnesium llide has poor scorch resistance, Comparative Example 3 lacking calcium carbonate, and Comparative Example 4 lacking calcium hydroxide. In both cases, the compression set was not improved, and Comparative Example 5, which lacked two types of oxides, was inferior in terms of scorch resistance, tensile strength, and rate of change thereof.
（２）イミダゾール系老化防止剤が用いられない比較例
６では、圧縮永久歪および１００％モジュラス変化率の
いずれの点においても劣っている。(2) Comparative Example 6, in which no imidazole anti-aging agent was used, was inferior in both compression set and 100% modulus change rate.
（３）他の加硫系が用いられた比較例７では、引張強さ
および耐スコーチ性の点ではすぐれているものの、耐熱
性および圧縮永久歪の点で劣っている。(3) Comparative Example 7 in which another vulcanization system was used was superior in tensile strength and scorch resistance, but inferior in heat resistance and compression set.
（４）以上の各比較例に対し１本発明に係るクロロプレ
ンゴム組成物は、常態物性、耐スコーチ性などの好まし
い性質を実質的に低下させることなく、耐熱性および圧
縮永久歪の改善が達成されている。(4) For each of the above comparative examples, the chloroprene rubber composition according to the present invention achieved improvement in heat resistance and compression set without substantially deteriorating desirable properties such as normal physical properties and scorch resistance. has been done.
（以下余白） 手続補正書（自制(Margin below) Procedural amendment (self-restraint)
Claims (1)
サリン誘導体 ▲数式、化学式、表等があります▼ （ここで、Ｒは水素原子、アルキル基、アミノ基、モノ
アルキルアミノ基、ジアルキルアミノ基またはアルキル
カルボニル基である）、酸化亜鉛、酸化マグネシウム、
炭酸カルシウム、水酸化カルシウムおよびイミダゾール
系老化防止剤を含有してなるクロロプレンゴム組成物。 ２、クロロプレンゴム１００重量部当り約０．１〜３重
量部のキノキサリン誘導体が用いられた特許請求の範囲
第１項記載のクロロプレンゴム組成物。 ３、イミダゾール系老化防止剤が１，３−ビス（ジメチ
ルアミノプロピル）−２−チオウレアである特許請求の
範囲第１項記載のクロロプレンゴム組成物。 ４、クロロプレンゴム１００重量部当り約０．１〜２重
量部のイミダゾール系老化防止剤が用いられた特許請求
の範囲第１項または第３項記載のクロロプレンゴム組成
物。[Claims] 1. Chloroprene rubber, a quinoxaline derivative represented by the following general formula ▲ There are mathematical formulas, chemical formulas, tables, etc. ▼ (Here, R is a hydrogen atom, an alkyl group, an amino group, a monoalkylamino group, dialkylamino group or alkylcarbonyl group), zinc oxide, magnesium oxide,
A chloroprene rubber composition containing calcium carbonate, calcium hydroxide, and an imidazole anti-aging agent. 2. The chloroprene rubber composition according to claim 1, wherein about 0.1 to 3 parts by weight of the quinoxaline derivative is used per 100 parts by weight of chloroprene rubber. 3. The chloroprene rubber composition according to claim 1, wherein the imidazole anti-aging agent is 1,3-bis(dimethylaminopropyl)-2-thiourea. 4. The chloroprene rubber composition according to claim 1 or 3, wherein about 0.1 to 2 parts by weight of an imidazole anti-aging agent is used per 100 parts by weight of chloroprene rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4754486A JPH0611814B2 (en) | 1986-03-05 | 1986-03-05 | Chloroprene rubber composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4754486A JPH0611814B2 (en) | 1986-03-05 | 1986-03-05 | Chloroprene rubber composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62205142A true JPS62205142A (en) | 1987-09-09 |
| JPH0611814B2 JPH0611814B2 (en) | 1994-02-16 |
Family
ID=12778088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4754486A Expired - Lifetime JPH0611814B2 (en) | 1986-03-05 | 1986-03-05 | Chloroprene rubber composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0611814B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005330344A (en) * | 2004-05-19 | 2005-12-02 | Nok Corp | Chloroprene rubber composition |
| CN107216510A (en) * | 2017-05-09 | 2017-09-29 | 广西桂山特种橡胶制品有限公司 | A kind of non-sulphur adjusts heat-resisting neoprene |
-
1986
- 1986-03-05 JP JP4754486A patent/JPH0611814B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005330344A (en) * | 2004-05-19 | 2005-12-02 | Nok Corp | Chloroprene rubber composition |
| CN107216510A (en) * | 2017-05-09 | 2017-09-29 | 广西桂山特种橡胶制品有限公司 | A kind of non-sulphur adjusts heat-resisting neoprene |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0611814B2 (en) | 1994-02-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |