JPH0717773B2 - Surface treatment method for vulcanized rubber moldings - Google Patents
Surface treatment method for vulcanized rubber moldingsInfo
- Publication number
- JPH0717773B2 JPH0717773B2 JP26673986A JP26673986A JPH0717773B2 JP H0717773 B2 JPH0717773 B2 JP H0717773B2 JP 26673986 A JP26673986 A JP 26673986A JP 26673986 A JP26673986 A JP 26673986A JP H0717773 B2 JPH0717773 B2 JP H0717773B2
- Authority
- JP
- Japan
- Prior art keywords
- rubber
- sulfur
- vulcanized
- surface treatment
- treatment method
- 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
- 239000004636 vulcanized rubber Substances 0.000 title claims description 13
- 238000000034 method Methods 0.000 title claims description 10
- 238000004381 surface treatment Methods 0.000 title claims description 10
- 238000010068 moulding (rubber) Methods 0.000 title claims description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 22
- 229910052717 sulfur Inorganic materials 0.000 claims description 22
- 239000011593 sulfur Substances 0.000 claims description 22
- 229920001971 elastomer Polymers 0.000 claims description 11
- 239000005060 rubber Substances 0.000 claims description 11
- 229920003051 synthetic elastomer Polymers 0.000 claims description 5
- 239000005061 synthetic rubber Substances 0.000 claims description 5
- 244000043261 Hevea brasiliensis Species 0.000 claims description 4
- 229920003052 natural elastomer Polymers 0.000 claims description 4
- 229920001194 natural rubber Polymers 0.000 claims description 4
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 235000001508 sulfur Nutrition 0.000 description 22
- 239000000047 product Substances 0.000 description 17
- 239000006185 dispersion Substances 0.000 description 12
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 10
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 8
- 239000007788 liquid Substances 0.000 description 6
- 229940057995 liquid paraffin Drugs 0.000 description 6
- NHTMVDHEPJAVLT-UHFFFAOYSA-N Isooctane Chemical compound CC(C)CC(C)(C)C NHTMVDHEPJAVLT-UHFFFAOYSA-N 0.000 description 5
- 235000021355 Stearic acid Nutrition 0.000 description 5
- 239000006229 carbon black Substances 0.000 description 5
- JVSWJIKNEAIKJW-UHFFFAOYSA-N dimethyl-hexane Natural products CCCCCC(C)C JVSWJIKNEAIKJW-UHFFFAOYSA-N 0.000 description 5
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 5
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 5
- 239000008117 stearic acid Substances 0.000 description 5
- 238000004073 vulcanization Methods 0.000 description 5
- 239000011787 zinc oxide Substances 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 description 4
- 229960002447 thiram Drugs 0.000 description 4
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 3
- AFZSMODLJJCVPP-UHFFFAOYSA-N dibenzothiazol-2-yl disulfide Chemical compound C1=CC=C2SC(SSC=3SC4=CC=CC=C4N=3)=NC2=C1 AFZSMODLJJCVPP-UHFFFAOYSA-N 0.000 description 3
- REQPQFUJGGOFQL-UHFFFAOYSA-N dimethylcarbamothioyl n,n-dimethylcarbamodithioate Chemical compound CN(C)C(=S)SC(=S)N(C)C REQPQFUJGGOFQL-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- YXIWHUQXZSMYRE-UHFFFAOYSA-N 1,3-benzothiazole-2-thiol Chemical compound C1=CC=C2SC(S)=NC2=C1 YXIWHUQXZSMYRE-UHFFFAOYSA-N 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 2
- 238000010073 coating (rubber) Methods 0.000 description 2
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- OWRCNXZUPFZXOS-UHFFFAOYSA-N 1,3-diphenylguanidine Chemical compound C=1C=CC=CC=1NC(=N)NC1=CC=CC=C1 OWRCNXZUPFZXOS-UHFFFAOYSA-N 0.000 description 1
- 229940054266 2-mercaptobenzothiazole Drugs 0.000 description 1
- GIUBHMDTOCBOPA-UHFFFAOYSA-N 3h-1,3-benzothiazole-2-thione;zinc Chemical compound [Zn].C1=CC=C2SC(S)=NC2=C1 GIUBHMDTOCBOPA-UHFFFAOYSA-N 0.000 description 1
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 229920000800 acrylic rubber Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
- ZFMQKOWCDKKBIF-UHFFFAOYSA-N bis(3,5-difluorophenyl)phosphane Chemical compound FC1=CC(F)=CC(PC=2C=C(F)C=C(F)C=2)=C1 ZFMQKOWCDKKBIF-UHFFFAOYSA-N 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- -1 for example Chemical compound 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- DEQZTKGFXNUBJL-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)cyclohexanamine Chemical compound C1CCCCC1NSC1=NC2=CC=CC=C2S1 DEQZTKGFXNUBJL-UHFFFAOYSA-N 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003348 petrochemical agent Substances 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 239000010734 process oil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- NEYNBSGIXOOZGZ-UHFFFAOYSA-L zinc;butoxymethanedithioate Chemical compound [Zn+2].CCCCOC([S-])=S.CCCCOC([S-])=S NEYNBSGIXOOZGZ-UHFFFAOYSA-L 0.000 description 1
- DUBNHZYBDBBJHD-UHFFFAOYSA-L ziram Chemical compound [Zn+2].CN(C)C([S-])=S.CN(C)C([S-])=S DUBNHZYBDBBJHD-UHFFFAOYSA-L 0.000 description 1
Landscapes
- Treatments Of Macromolecular Shaped Articles (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、加硫ゴム成形品の表面処理方法に関する。更
に詳しくは、加硫ゴム成形品の低摩擦化ならびに非粘着
化を達成せしめるための表面処理方法に関する。TECHNICAL FIELD The present invention relates to a surface treatment method for a vulcanized rubber molded article. More specifically, the present invention relates to a surface treatment method for achieving low friction and detackification of a vulcanized rubber molded product.
ゴムは一般に摩擦抵抗が大きいので、それの成形品は摺
動抵抗が大きかったり、音を発したりあるいは摩耗した
りするため、使用用途に制限がみられる。Since rubber generally has a large frictional resistance, its molded product has a large sliding resistance, emits noise, or wears, which limits its use.
このため、加硫ゴム成形品の表面を処理して低摩擦化あ
るいは非粘着化するための方法が種々提案されており、
例えば鉱酸処理、高エネルギー粒子や光の照射などの方
法が用いられているが、このような方法によって表面処
理されたものは、成形品表面がゴム自身とは異なる化学
構造を有するようになり、その結果として特にゴムの特
徴であるゴム状弾性が著しく失われるという欠点がみら
れる。また、鉱酸などで処理する場合には、処理液の調
製、取扱いに安全上の問題があり、更に廃液などの処理
に経費がかかるという問題があった。Therefore, various methods have been proposed for treating the surface of the vulcanized rubber molded article to reduce friction or make it non-adhesive,
For example, methods such as mineral acid treatment and irradiation with high-energy particles and light are used.However, when the surface treatment is carried out by such a method, the surface of the molded product has a chemical structure different from that of rubber itself. As a result, the rubber-like elasticity which is a characteristic of rubber is remarkably lost. Further, in the case of treating with a mineral acid or the like, there is a safety problem in preparation and handling of the treatment liquid, and further there is a problem that treatment of waste liquid and the like is expensive.
本発明者は、ゴム本来の性質を実質的に低下させること
なく、加硫ゴム成形品の低摩擦化ならびに非粘着化を達
成せしめる表面処理方法を求めて種々検討の結果、イオ
ウ分散液を用いることにより、かかる課題が効果的に解
決されることを見出した。The present inventor has conducted various investigations for a surface treatment method that can achieve low friction and detackification of a vulcanized rubber molded product without substantially deteriorating the original properties of the rubber, and as a result of various studies, use a sulfur dispersion liquid. It was found that this problem can be effectively solved.
従って、本発明は加硫ゴム成形品の表面処理方法に係
り、表面処理は、イオウ架橋可能な合成ゴムまたは天然
ゴムの加硫成形品をこれらのゴムに不活性な脂肪族炭化
水素中に分散させたイオウで処理することにより行われ
る。Therefore, the present invention relates to a method for surface-treating a vulcanized rubber molded article, which comprises dispersing a sulfur-crosslinkable synthetic rubber or vulcanized molded article of natural rubber in an aliphatic hydrocarbon inert to these rubbers. It is carried out by treating with sulfur.
イオウ分散液で表面処理される加硫ゴム成形品は、イオ
ウ架橋可能な合成ゴム、例えばNBR、SBR、ブチルゴム、
ポリブタジエンゴム、クロロプレンゴム、EPDM、アクリ
ルゴムなどの加硫成形品あるいは天然ゴムの加硫成形品
である。The vulcanized rubber molded article surface-treated with the sulfur dispersion is a sulfur-crosslinkable synthetic rubber such as NBR, SBR, butyl rubber,
It is a vulcanized molded product of polybutadiene rubber, chloroprene rubber, EPDM, acrylic rubber, or a vulcanized molded product of natural rubber.
イオウとしては、イオウ単体のみならず、活性イオウを
有するイオウ供与性化合物、例えばテトラメチルチウラ
ムジスルフィド、テトラメチルチウラムスルフィド、ジ
メチルジチオカルバミン酸亜鉛、ジベンゾチアジルジス
ルフィド、２−メルカプトベンゾチアゾール亜鉛、２−
メルカプトベンゾチアゾール、Ｎ−シクロヘキシル−２
−ベンゾチアゾリルスルフェンアミド、ブチルキサント
ゲン酸亜鉛などが、いずれもイオウ分として約100〜500
00ppm、好ましくは約200〜5000ppmの分散液濃度で用い
られる。これ以下の濃度で用いられると処理効果が殆ど
みられず、一方これ以上の濃度で用いると低摩擦化、非
粘着化は達成されるものの、成形品表面にクラックが発
生するようになる。As the sulfur, not only sulfur itself but also a sulfur-donating compound having active sulfur, for example, tetramethylthiuram disulfide, tetramethylthiuram sulfide, zinc dimethyldithiocarbamate, dibenzothiazyl disulfide, 2-mercaptobenzothiazole zinc, 2-
Mercaptobenzothiazole, N-cyclohexyl-2
-Benzothiazolylsulfenamide, zinc butyl xanthate, etc., all about 100 ~ 500 as the sulfur content
It is used at a dispersion concentration of 00 ppm, preferably about 200-5000 ppm. If it is used at a concentration lower than this, almost no treatment effect is observed. On the other hand, if it is used at a concentration higher than this, although low friction and detackification are achieved, cracks will occur on the surface of the molded product.
これらのイオウは、ゴム成形品を溶解させたり、膨潤さ
せたりしないもの、即ちこれらのゴムに不活性な脂肪族
炭化水素、例えば流動パラフィン、イソオクタン、ｎ−
オクタン、ｎ−ヘプタン、ｎ−ヘキサンなどに分散させ
た形で用いられ、好ましくは加硫促進剤と併用される。These sulfurs are those which do not dissolve or swell rubber moldings, that is, aliphatic hydrocarbons inert to these rubbers, such as liquid paraffin, isooctane, n-.
It is used in the form of being dispersed in octane, n-heptane, n-hexane and the like, and is preferably used in combination with a vulcanization accelerator.
表面処理は、加硫ゴム成形品をイオウ分散液中に浸漬
し、約50〜200℃の温度で約５分間乃至約48時間程度加
熱することにより行われ、処理後は約12〜24時間風乾さ
せる。ただし、流動パラフィンが用いられた場合には、
ｎ−ヘキサン、イソオクタンなどで脱脂洗浄した後、風
乾させる。The surface treatment is carried out by immersing the vulcanized rubber molded product in a sulfur dispersion and heating it at a temperature of about 50 to 200 ° C for about 5 minutes to about 48 hours, and after air-drying for about 12 to 24 hours. Let However, if liquid paraffin is used,
After degreasing and washing with n-hexane, isooctane, etc., air-dry.
〔作用〕および〔発明の効果〕 イオウ分散液による表面処理の結果、加硫ゴム成形品の
表面には厚さが数μｍ乃至数10μｍ程度の硬化ゴム被膜
が形成される。[Operation] and [Effect of the invention] As a result of the surface treatment with the sulfur dispersion liquid, a cured rubber coating having a thickness of several μm to several tens of μm is formed on the surface of the vulcanized rubber molded product.
このような硬化ゴム被膜の形成は、加硫ゴム成形品中に
残存する未反応の加硫剤、加硫促進剤あるいは加硫促進
作用を有する加硫反応生成物などと分散液中のイオウと
が反応し、ゴム成形品表面に架橋反応あるいは樹脂化反
応を生ぜしめるためと考えられる。The formation of such a cured rubber coating is carried out by unreacted vulcanizing agent remaining in the vulcanized rubber molded product, a vulcanization accelerator or a vulcanization reaction product having a vulcanization accelerating effect and sulfur in the dispersion liquid. It is thought that this is because the reaction causes a crosslinking reaction or a resinification reaction on the surface of the rubber molded product.
このようにして硬化ゴム被膜が形成される結果、ゴム成
形品表面の低摩擦化ならびに非粘着化がゴム本来の弾性
などを実質的に低下させることなく達成され、またμｍ
オーダーの硬化被膜を成形品表面に一体に形成させてい
るため、単なるコーティング膜とは異なり、引張っても
剥離したり、亀裂を生じたりすることがない。As a result of forming the cured rubber film in this way, low friction and detackification of the surface of the rubber molded product can be achieved without substantially lowering the original elasticity of the rubber, and μm
Since a cured film of order is integrally formed on the surface of the molded product, unlike a simple coating film, it does not peel or crack even when pulled.
次に、実施例について本発明を説明する。 Next, the present invention will be described with reference to examples.
実施例１ NBR（日本合成ゴム製品JSR N220S） 100重量部 SRFカーボンブラック 40 酸化亜鉛 ５ ステアリン酸 １ ジオクチルアジペート ５ イオウ １ テトラメチルチウラムジスルフィド ２ ジベンゾチアゾリルジスルフィド １ 上記配合物を150℃で20分間加硫し、得られた加硫シー
トをイオウ含有量400ppmの流動パラフィン分散液中に浸
漬し、120℃で30分間加熱処理し、イソオクタンで洗浄
後風乾させた。Example 1 NBR (Japan Synthetic Rubber Product JSR N220S) 100 parts by weight SRF carbon black 40 Zinc oxide 5 Stearic acid 1 Dioctyl adipate 5 Sulfur 1 Tetramethylthiuram disulfide 2 Dibenzothiazolyl disulfide 1 The above composition was heated at 150 ° C. for 20 minutes. After vulcanization, the obtained vulcanized sheet was immersed in a liquid paraffin dispersion having a sulfur content of 400 ppm, heat-treated at 120 ° C. for 30 minutes, washed with isooctane, and air-dried.
実施例２ NBR（日本合成ゴム製品JSR N240S） 100重量部 FEFカーボンブラック 50 酸化亜鉛 ５ ステアリン酸 １ ジオクチルフタレート 10 ジフェニルアミン １ イオウ １ テトラメチルチウラムスルフィド ３ 上記配合物を150℃で15分間加硫し、得られた加硫シー
トをイオウ含有量1000ppmのイソオクタン分散液中に浸
漬し、80℃で15時間加熱処理し、その後風乾した。Example 2 NBR (Japan Synthetic Rubber Product JSR N240S) 100 parts by weight FEF carbon black 50 zinc oxide 5 stearic acid 1 dioctylphthalate 10 diphenylamine 1 sulfur 1 tetramethylthiuram sulfide 3 The above compound was vulcanized at 150 ° C. for 15 minutes, The obtained vulcanized sheet was immersed in an isooctane dispersion having a sulfur content of 1000 ppm, heat-treated at 80 ° C. for 15 hours, and then air-dried.
実施例３ EPDM（三井石油化学製品三井1070） 100 重量部 FEFカーボンブラック 60 酸化亜鉛 ５ ステアリン酸 １ プロセスオイル ８ イオウ 1.5 テトラメチルチウラムスルフィド ２ 上記配合物を150℃で30分間加硫し、得られた加硫シー
トをイオウ含有量650ppmの流動パラフィン分散液中に浸
漬し、80℃で24時間加熱処理し、ｎ−ヘキサンで洗浄後
風乾させた。Example 3 EPDM (Mitsui Petrochemicals Mitsui 1070) 100 parts by weight FEF carbon black 60 Zinc oxide 5 Stearic acid 1 Process oil 8 Sulfur 1.5 Tetramethylthiuram sulfide 2 Obtained by vulcanizing the above composition at 150 ° C. for 30 minutes. The vulcanized sheet was immersed in a liquid paraffin dispersion having a sulfur content of 650 ppm, heat-treated at 80 ° C. for 24 hours, washed with n-hexane, and air-dried.
実施例４ SBR（日本ゼオン製品ニポール1502） 100 重量部 SRFカーボンブラック 45 酸化亜鉛 ６ ステアリン酸 1.5 イオウ ２ ジベンゾチアジルジスルフィド 3.5 上記配合物を145℃で40分間加硫し、得られた加硫シー
トをイオウ含有量1000ppmおよびテトラメチルチウラム
ジスルフィド含有量2000ppm（Ｓとして1000ppm）の流動
パラフィン分散液中に浸漬し、150℃で10分間加熱処理
し、イソオクタンで洗浄後風乾させた。Example 4 SBR (Nippon 1502 manufactured by Zeon Corporation) 100 parts by weight SRF carbon black 45 Zinc oxide 6 Stearic acid 1.5 Sulfur 2 Dibenzothiazyl disulfide 3.5 Vulcanized sheet obtained by vulcanizing the above compound at 145 ° C. for 40 minutes Was immersed in a liquid paraffin dispersion liquid having a sulfur content of 1000 ppm and a tetramethylthiuram disulfide content of 2000 ppm (1000 ppm as S), heat-treated at 150 ° C. for 10 minutes, washed with isooctane, and air-dried.
実施例５ 天然ゴム（マレーシア産RSS No.1） 100重量部 SRFカーボンブラック 45 酸化亜鉛 ５ ステアリン酸 １ イオウ ２ ジフェニルグアニジン ３ 上記配合物を130℃で40分間加硫し、得られた加硫シー
トをイオウ含有量200ppmおよびテトラメチルチウラムジ
スルフィド含有量400ppm（Ｓとして200ppm）の流動パラ
フィン分散液中に浸漬し、150℃で30分間加熱処理し、
ｎ−ヘキサンで洗浄後風乾させた。Example 5 100 parts by weight of natural rubber (RSS No. 1 made in Malaysia) SRF carbon black 45 Zinc oxide 5 Stearic acid 1 Sulfur 2 Diphenylguanidine 3 The above compound was vulcanized at 130 ° C. for 40 minutes to obtain a vulcanized sheet. Is immersed in a liquid paraffin dispersion having a sulfur content of 200 ppm and a tetramethylthiuram disulfide content of 400 ppm (200 ppm as S), and heat-treated at 150 ° C. for 30 minutes,
It was washed with n-hexane and air dried.
以上の各実施例での加硫ゴム成形品についてイオウ分散
液処理前後における表面摩擦係数μを測定し、次のよう
な結果を得た。The surface friction coefficient μ of the vulcanized rubber molded products in each of the above examples was measured before and after the treatment with the sulfur dispersion, and the following results were obtained.
表 実施例 処理前 処理後 １ 1.71 0.89 ２ 1.52 0.78 ３ 1.64 1.04 ４ 1.48 1.02 ５ 1.59 0.82 また、各実施例での加硫ゴム成形品の20％伸長物につい
て、表面クラックの発生の有無を観察したが、処理前後
を通じていずれの場合にもクラックの発生は認められな
かった。Table Example Treatment Pre- treatment Post-treatment 1 1.71 0.89 2 1.52 0.78 3 1.64 1.04 4 1.48 1.02 5 1.59 0.82 Also, the presence or absence of surface cracks was observed for the 20% stretched vulcanized rubber molded products in each example. However, no crack was observed in any of the cases before and after the treatment.
更に、これらの加硫シートの表面粘着性をみるに、処理
前の加硫シートについてはいずれも粘着性がみられた
が、本発明に係る処理シートについては、いずれの場合
にも粘着性は認められなかった。Furthermore, regarding the surface tackiness of these vulcanized sheets, the tackiness was observed for all the vulcanized sheets before treatment, but for the treated sheet according to the present invention, the tackiness was I was not able to admit.
Claims (2)
の加硫成形品を、これらのゴムに不活性な脂肪族炭化水
素中に分散させたイオウで処理することを特徴とする加
硫ゴム成形品の表面処理方法。1. A vulcanized rubber molding characterized in that a vulcanized molded article of sulfur-crosslinkable synthetic rubber or natural rubber is treated with sulfur dispersed in an inert aliphatic hydrocarbon in these rubbers. Surface treatment method for products.
われる特許請求の範囲第１項記載の表面処理方法。2. The surface treatment method according to claim 1, wherein the surface treatment is carried out under a heating condition of about 50 to 200 ° C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26673986A JPH0717773B2 (en) | 1986-11-11 | 1986-11-11 | Surface treatment method for vulcanized rubber moldings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26673986A JPH0717773B2 (en) | 1986-11-11 | 1986-11-11 | Surface treatment method for vulcanized rubber moldings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63120744A JPS63120744A (en) | 1988-05-25 |
| JPH0717773B2 true JPH0717773B2 (en) | 1995-03-01 |
Family
ID=17435027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26673986A Expired - Lifetime JPH0717773B2 (en) | 1986-11-11 | 1986-11-11 | Surface treatment method for vulcanized rubber moldings |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0717773B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0798873B2 (en) * | 1988-07-15 | 1995-10-25 | エヌオーケー株式会社 | Surface treatment method for vulcanized rubber moldings |
| JP4932270B2 (en) * | 2006-02-10 | 2012-05-16 | 株式会社リコー | Image forming apparatus and image forming system |
-
1986
- 1986-11-11 JP JP26673986A patent/JPH0717773B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63120744A (en) | 1988-05-25 |
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| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |