JPS5945339A - Preparation of rubber composition - Google Patents
Preparation of rubber compositionInfo
- Publication number
- JPS5945339A JPS5945339A JP15612282A JP15612282A JPS5945339A JP S5945339 A JPS5945339 A JP S5945339A JP 15612282 A JP15612282 A JP 15612282A JP 15612282 A JP15612282 A JP 15612282A JP S5945339 A JPS5945339 A JP S5945339A
- Authority
- JP
- Japan
- Prior art keywords
- vinyl chloride
- acrylonitrile
- chloride resin
- composition
- rubber
- 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
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- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
【発明の詳細な説明】
不発明な」、アクリロニトリル−共役ジエン系共重合ゴ
ムと塩化ビニル系樹脂とから成るゴｌ−絹成物の製造方
法に関するものであり、より詳しくＱ」、前記ゴム組成
物を製造する工程で」各化ビニル系樹脂を溶融させずに
アクリロニトリル−共役ジエン糸共重合ゴム中にその粒
子形態を保持（７た１＼の状ｆｐで均一に分散させるこ
とを特徴とする耐油、 ＩＴｉ、１オゾン性を有するゴ
ム組成物の製造方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION This invention relates to an uninventive method for producing a gel-silk composition comprising an acrylonitrile-conjugated diene copolymer rubber and a vinyl chloride resin, and more specifically to the rubber composition. In the process of manufacturing products, the particle form of each vinyl resin is maintained in the acrylonitrile-conjugated diene yarn copolymer rubber without melting (it is characterized by uniformly dispersing it in the shape of a 7-1\\ fp). The present invention relates to a method for producing a rubber composition having oil resistance, ITi, and 1 ozone properties.
従来から、副油、ＩＴｒＩオゾン性を有するゴム組成物
としてアクリロニトリループクジエン共重合ゴム（ＮＢ
Ｒ）と塩化ビニル樹脂（ｐｖａ）とから成るゴム組成物
（以下ポリブレンドと称することがある）が広く使用さ
れている。Conventionally, acrylonitrile-cyclodiene copolymer rubber (NB
Rubber compositions (hereinafter sometimes referred to as polyblends) comprising R) and vinyl chloride resin (PVA) are widely used.
ところで、ポリブレンドが充分な耐オゾン性を発現する
ためにはＮＢＲ（！：ＰＶｃが充分均一に混合され、ｐ
ｖｃが完全にＮＢＲに溶解していることが必要である。By the way, in order for a polyblend to exhibit sufficient ozone resistance, NBR (!: PVc) must be mixed sufficiently uniformly and p
It is necessary that VC be completely dissolved in NBR.
そのためにはボリン１／ンドを製造する際、ＮＢＲとｐ
ｖｅを混合する段階で、あるいは混合後ｐｖｃが溶融す
る温度（通常ゲル化温度と称される）より高い温度で剪
断力に、Ｌり浴融ｐｖｃをＮＢＲ中へ充分に溶解分散さ
せ、ｐｖｃが粒子状あるいは凝集塊としてＮＢＲ／Ｉ）
Ｖｅ混合物中に残在することがない様にしなければなら
ない。For this purpose, when manufacturing borin 1/nd, NBR and p
At the stage of mixing the PVC, or after mixing, the L-bath melted PVC is sufficiently dissolved and dispersed in NBR under shear force at a temperature higher than the temperature at which the PVC melts (usually referred to as the gelling temperature), and the PVC is dissolved and dispersed in the NBR. NBR/I) as particulates or aggregates
It must be ensured that Ve does not remain in the mixture.
ｐｖａのゲル化温度よりも低い温度でポリブレンドを調
製した場合には、またＰＶｃのゲル化温度よりも高い渦
Ｉ現であっても混合が小充分である用台にｄ、１１ｉＩ
オゾン性ｔよイ！Ｉられず、さらに抗張力も充分な水準
に達しない１．この様に、充分な水準の抗張力及び１ｌ
ｌｉｔ」シン件を有′するボリグＬ／ンドを製造するこ
とし１非、贋に困難である。If the polyblend was prepared at a temperature lower than the gelling temperature of PVc, mixing would be sufficient even if the vortex temperature was higher than the gelling temperature of PVc.
Ozone-related! In addition, the tensile strength does not reach a sufficient level.1. In this way, a sufficient level of tensile strength and 1l
It is difficult to counterfeit because it is difficult to manufacture a Bollig L/Nd with "lit" properties.
ｆたｐｖｅのゲル化温度よりも尚い温度で充分に混合し
て調製さノ１−たポリブレンド（・」それ自体の粘度が
高いため充てん剤、補強ｉ’ｌ ％ クビ多Ｍ−に添加
しまた場合にＱ」、配合物の粘度は著１く高くなり、加
］二操作が困難になると共にゴム焼Ｃづを°起こし、プ
こり、スコーチを１（すこノー等の間！ｌ＋１１もあり
、高硬度のポリブレンド加硫物をｆＡ造することが碓し
く改善が望１ｈている。A polyblend prepared by thorough mixing at a temperature lower than the gelation temperature of FPVE (1-1) is added to the polyblend (-) which has a high viscosity as a filler and reinforcement. In addition, the viscosity of the compound becomes extremely high, making it difficult to operate the rubber, causing swelling, scorch, etc. Therefore, it is likely that a polyblend vulcanizate with high hardness can be manufactured by fA, and improvement is desired.
本発明者はかかる問題点を解決−ノベく万力を取ねた結
果本発明を完成するに到ったものであソ）１、本発明は
高充てん時の加工性が容易な４曲・剛オゾン性を有する
ゴム組成物の製造方法を提０〜することにあり、本発明
のこの目的はアクリロ＝トリル−共役ジエン系共重合ゴ
ノ’ ｃ！−、Ｌ’ｌ化ビエビニル系樹脂ら成るゴム組
成物を製造するに際し、平均粒子径が５μ以下の塩化ビ
ニル系樹脂を溶融させずにその粒子径を保持したま＼の
状態でアクＩＪ Ｏニトリル−共役ジエン系共重合ゴノ
、中に均一に分散させることによって達成される。The inventor of the present invention has solved such problems and completed the present invention as a result of the novelty of the vise. It is an object of the present invention to provide a method for producing a rubber composition having strong ozone properties. - When producing a rubber composition consisting of L'l vinyl chloride resin, the vinyl chloride resin having an average particle size of 5μ or less is not melted and the particle size is maintained while it is being mixed with Acrylic IJ O nitrile. - Achieved by uniformly dispersing it in a conjugated diene copolymer.
本発明方法で得られたボリブ１／ンドを塩化ビニル系樹
脂のゲル化温度、しりも高い温度で加硫する以外は、本
発明方法においては、ポリブレンドを製造する過程およ
びポリブレンドを使用する加工工程においても塩化ビニ
ル系樹脂を浴融（グル化と称する）させないことが必要
であり、その結果、得られたポリブレンドの粘度は低く
なり、高充てん時の配合物の粘度も低く抑えることがで
き、加工工程での電力消費２発熱による焼け、スコーチ
が改善され高硬度配合が容易となるなど流動特性が改善
される。Except for vulcanizing the polyb1/nd obtained by the method of the present invention at a temperature higher than the gelling temperature of the vinyl chloride resin, the method of the present invention involves the process of producing a polyblend and the use of a polyblend. During the processing process, it is necessary to avoid melting the vinyl chloride resin in a bath (referred to as gluing), and as a result, the viscosity of the resulting polyblend is low, and the viscosity of the blend at high filling levels is also kept low. This improves flow characteristics, such as reducing burning and scorch caused by power consumption and heat generation during the processing process, and making it easier to formulate high-hardness formulations.
本発明で使用される塩化ビニル系樹脂ｔよアクリロニト
リル−共役ジエン系共重合ゴムと混合されて成る組成物
を製造する過程、及び加硫以外の成形加工する段階でゲ
ル化を行わずとも、該組成物が塩化ビニル系樹脂をゲル
化しＮＢＲと充分に混合する従来法で製造されたものと
同等の耐オゾン性を有し、流動件が改善されるためには
平均粒子径は５μ以下、好寸しくけ１μ以下、さらに好
ましくは０２μ以下でなけれｔ」：ならない。粒子径が
５μ以上になると加硫時の熱膣歴だけではゲル化成樹脂
をＮＢＲ中へ溶解さぜることＱま困難となり、耐オゾン
性１強度特性等が低下する１、平均重合度社通常４０ｆ
〕以上のもの、／！Ｔ’ｔ ＋、 ＜ ｔｒｔ、８【］
Ｏ〜２０００の範囲のものが使用される１、塩化ビニル
系４’ｉｌ脂としてｔｌ、−＋ｒり塩化ビニＡ樹脂、塩
化ビニル−酢酸ビニル共−ｊｉｔ９樹脂、塩化ビニル−
エチレン酢酸ビニル共重合（！ン［脂、変性ポリ塩化ビ
ニ／Ｉ−樹脂などが例示できる１、この様な塩化ビニル
系樹脂Ｑ」、ｌｌｋ％ ｉ％’Ｊ重合、乳化重合、塊状
重合などによって製造されるが、前記の／臣性を有する
ものであれば製造方法はいずれであってもよい。The vinyl chloride resin used in the present invention is mixed with acrylonitrile-conjugated diene copolymer rubber in the process of manufacturing the composition, and in the molding process other than vulcanization, without gelation. In order for the composition to have ozone resistance equivalent to that produced by the conventional method of gelling vinyl chloride resin and thoroughly mixing it with NBR, and to improve flowability, the average particle size should preferably be 5μ or less. The thickness must be 1μ or less, more preferably 02μ or less. When the particle size exceeds 5μ, it becomes difficult to dissolve the gelled resin into NBR using only the thermal history during vulcanization, and ozone resistance, strength properties, etc. decrease. 40f
] and more, /! T't +, < trt, 8 []
1. Vinyl chloride-based 4'il resins include tl, -+r vinyl chloride A resin, vinyl chloride-vinyl acetate co-jit9 resin, vinyl chloride-
Ethylene-vinyl acetate copolymerization (lk% i%'J polymerization, emulsion polymerization, bulk polymerization, etc.) However, any manufacturing method may be used as long as it has the above characteristics.
本発明で使用されるアクリロニトリル−共役ジエン系共
重合ゴムは、アクリロニトリルと１．５ブタジエン、イ
ングレン、１５ペンタジエンなどの共役ジエン系単量体
の少なくとも一種との共ｉ７（合体、さらにアクリル酸
、メタアクリル酸、マレイン酸などのα、β−エチレン
性不飽和化合物、あるいはジカルボン酸及びこのエステ
ル類をも共重合させた多元共重合体であり具体的には、
アクリロニトリル−ブタジェン共重合ゴム、アクリロニ
トリル−インプレン共重合ゴム、°ｒりＩＪ ｉｔｔｌ
−ＩＪ ／ｌ’ｌジープエンーインプレン三元共重合ゴ
ム、アクリロニトリルーフ゛タジエンーフ゛チルアクリ
１ノート三元共重合ゴムなどが例示できる。The acrylonitrile-conjugated diene copolymer rubber used in the present invention is composed of acrylonitrile and at least one type of conjugated diene monomer such as 1.5-butadiene, Inglene, and 15-pentadiene (combined with acrylic acid, methane, etc.). It is a multicomponent copolymer made by copolymerizing α, β-ethylenically unsaturated compounds such as acrylic acid and maleic acid, or dicarboxylic acid and esters thereof. Specifically,
Acrylonitrile-butadiene copolymer rubber, acrylonitrile-imprene copolymer rubber, °r IJ ittl
Examples include -IJ/l'l Jeepen-Imprene terpolymer rubber and acrylonitrile-butadiene-butyl-acrylic 1-note terpolymer rubber.
これらの共重合ゴムは乳化重合、溶液重合などで製造さ
れるが製造法自体に制限はない。These copolymer rubbers are manufactured by emulsion polymerization, solution polymerization, etc., but there are no restrictions on the manufacturing method itself.
共重合ゴム中の結合アクリロニトリル１葎は耐油性ゴム
の機能上及び塩化ビニル系樹脂との相溶性から通常１０
〜５０重量パーセントの範囲であり、ゴム−樹脂混合物
に要求される特性に応じて適した結合アクリロニトリル
量を前記範囲内で適宜決定することができる。1 part of bound acrylonitrile in the copolymer rubber is usually 10 parts due to the functionality of oil-resistant rubber and compatibility with vinyl chloride resin.
The amount of bound acrylonitrile is within the range of 50% by weight, and a suitable amount of bound acrylonitrile can be determined within the above range depending on the properties required for the rubber-resin mixture.
アクリロニトリル−共役ジ呈ン系共重合ゴノ、と塩化ビ
ニル系樹脂の混合割合は、使用目的に応じで適宜決定す
ればよいが通常Ｕ、アクリロニトリル−共役ジエン系共
重合ゴム９５〜４５重晴係に対して鳴止ビニル系樹脂５
〜５５屯Ｍ、係である１、不発明のアクリロニトリル−
共役ジエン糸共−「Ｆ合ゴノ、と１盆化ビニル系樹脂と
から成る組成物はこれらの重合体のラデツクス回志を該
樹脂のゲル化温度（平均重合ＩＷによって界な２）が大
体１７０Ｃ前後である）よりも低い温＋ｉで混合ｊ２、
共沈さ［（、乾燥させるラテックスブレンド法、および
、固形の取合体同志を該４ｆｊ（脂のゲル化温度よりイ
、低い温度でロールやバンバリー等のにｈ律の混合機中
で混合するトライブレンド法等によって製造さｉする７
、本発明方法は従来法における様にラテックスブレンド
法での乾燥時に塩化ビニル系樹脂の溶融温度以上の温度
で、す１断力下に乾！■を行う必要がなく、通常のアク
リロニトリル−共役ジエン糸共重合ゴムを乾燥する場合
と同様の乾ヅ・■法を用いればよく（例えば１００ Ｕ
以下のハンドドライヤによる乾燥）また、ドラーｆブレ
ンド法においても鳴化ビニル系樹脂のゲル化温度以上の
ｆＲ，Ｉｆｆでの混合の必要がなく、該樹脂のゲル化温
度以下の温度（大体１００Ｃ以下の温度）で機械的に混
合ずノ１は良く混合時の該ゴムの劣化も少なくて済む、
。The mixing ratio of acrylonitrile-conjugated diene copolymer rubber and vinyl chloride resin may be determined as appropriate depending on the purpose of use, but it is usually U, acrylonitrile-conjugated diene copolymer rubber 95-45%. On the other hand, the sound-stopping vinyl resin 5
~55 tons M, 1, uninvented acrylonitrile-
In a composition consisting of a conjugated diene yarn, F polymer, and a vinyl resin, the radius conversion of these polymers is approximately determined by the gelling temperature of the resin (which varies depending on the average polymerization IW). Mixing j2 at a temperature +i lower than (which is around 170C),
The latex blending method involves drying the coprecipitate, and the trial method involves mixing the solid aggregates together in a blender of the same standard as a roll or Banbury at a temperature lower than the gelling temperature of the fat. Produced by blending method etc.7
Unlike the conventional method, the method of the present invention dries at a temperature higher than the melting temperature of the vinyl chloride resin and under a shearing force when drying in the latex blending method! There is no need to carry out step (1), and it is sufficient to use the same drying method (for example, 100 U
In addition, in the Doller f-blend method, there is no need for mixing at fR and Iff above the gelling temperature of the vinyl resin (drying using a hand dryer as described below), and there is no need to mix at fR and Iff above the gelling temperature of the vinyl resin (approximately 100C or less). The rubber can be mechanically mixed well at a temperature of
.
本発明方法で得られたゴム組成物においてｔｉ、上記の
様に塩化ビニル系樹脂は全くゲル化せずに、アクリロニ
トリル−共役ジエン系ゴム中にその粒子形態を完全に保
持した状態で分散している。In the rubber composition obtained by the method of the present invention, as mentioned above, the vinyl chloride resin does not gel at all, but is dispersed in the acrylonitrile-conjugated diene rubber while completely maintaining its particle form. There is.
本発明による製造方法で作成した組成物は、カーボンブ
ラック、シリカ、炭カル等の補強剤、あるいは充填剤、
加硫剤、加硫促進剤、 ｏｌ塑剤、加工助剤等を配合し
て使用することができる。The composition prepared by the production method according to the present invention may contain reinforcing agents such as carbon black, silica, carbonaceous carbon, fillers, etc.
Vulcanizing agents, vulcanization accelerators, OL plasticizers, processing aids, etc. can be mixed and used.
本発明による製造方法で作成された組成物が従来法で製
造されたものと同等の耐オゾン性を示すためには、本発
明方法による組成物を用いてゴム製品を製造する際、加
硫工程で塩化ビニル系樹脂のゲル化温度以−ヒの温度で
加硫すればよい□該樹脂のゲル化温度ｔよ、その平均重
合度にもよるが、本組成物に配合される可塑剤の１量に
も依存するから、予めゲル化温度を測定して置き、好ま
しい加硫温度を設定することが必要である。塩化ビニル
て常態物？＋１ 静的ならびに動的オノ゛ンＫ（験を
行゛、また。結果を第３表に示す・・
第２表 配合処方（棹（″＜１＝、配合）Ｎ Ｂ Ｆ、
／Ｐ Ｖ Ｏ混合物 １Ｌｌ Ｏ＠＄Ｔｍス
テアリン酸 １＝亜鉛華
５ ・・
ＳＲＦカーボンブラック ６０ 〃ｎ
Ｊ’ ＶＶＪ Ｉ”Ｉｊｌ Ｉ）Ｏ、Ｐ
（イ） ２０
〃硫 黄 （１，
５ｚｚ促鵡剤ＴＴ ｔｆｉ＋ １５ 〃促イ
ｆ１剤（ｊＺ＋”１ １．５−・（１） ジ
オクチルツクレート
（５） デトラメブルチウラムジスルフ・ｆド（６）
シクロヘギシルベンソチ゛ｒジルスルフエンアミド
第１図・ＰＯＡ ｔ、’＜＋ Ｋ本発明方法及び従来法
−Ｃ調製り、ｆｉ、 Ｎ Ｉ） 、１（、’ ｉ’ Ｖ
Ｃ混合物の分散状態を屯−ｆ ＆＋’ｎ Ｍ Ｋで観
察し−７た結果％ニアＪ々＼ｔ’ｆ、’ＩＪ 、＠ ’
ｆＹｉ Ｍ １ オヨｉＪ 実験番＋４６）Ｎ Ｊ３−
Ｒ、／ −Ｌ’ Ｖ Ｃ混合物（いずれも本発明方法て
作成し、配合剤ケ全く添加していないもの）と、これら
の混合′吻を１゛Ｖ Ｏのゲル化温度より高い温度（１
８０Ｃ）で５分間加Ｆト、シたものを・そ−れぞれ凍結
さぜ、超ミクロトーノ・を用いて超薄切片を作成し透過
型′ル子顕微鏡で観察し第１図〜２Ｊ”； ４図の結果
を得た。In order for the composition produced by the production method of the present invention to exhibit ozone resistance equivalent to that produced by the conventional method, when producing rubber products using the composition produced by the method of the present invention, it is necessary to The vulcanization may be carried out at a temperature equal to or higher than the gelling temperature of the vinyl chloride resin at Since it also depends on the amount, it is necessary to measure the gelation temperature in advance and set a preferable vulcanization temperature. Is vinyl chloride a normal product? +1 Static and dynamic Onon K (experiments were conducted, and the results are shown in Table 3... Table 2 Mixture recipe (stick (''<1=, combination) N B F,
/P VO mixture 1Ll O@@Tm stearic acid 1=zinc white
5... SRF carbon black 60 〃n
J' VVJ I”Ijl I)O,P
(b) 20
〃Sulfur (1,
5zz Promoting agent TT tfi+ 15 〃Promoting f1 agent (jZ+”1 1.5-・(1) Dioctyl tucrate (5) Detrameburthiuram disulf・f-do(6)
Cyclohegysyl benzothiryl sulfenamide Figure 1 POA t,'<+K Method of the present invention and conventional method-C Preparation, fi, N I), 1(,'i' V
The dispersion state of the C mixture was observed at -f &+'n M K, and the results were % near J\t'f, 'IJ, @'
fYi M 1 OyoiJ Experimental number +46)N J3-
R, / -L' VC mixtures (all prepared by the method of the present invention, with no compounding agents added) and these mixtures were heated to a temperature 1° higher than the gelling temperature of VO (1.
80C) for 5 minutes, freeze each sample, prepare ultra-thin sections using an ultra-microtono, and observe them with a transmission type electron microscope (Figures 1 to 2J). ; The results shown in Figure 4 were obtained.
同様に［７？：、実験番号８（比較例）の該混合物に上
記の熱履歴を力えた場合の結果を第６図に、また実験番
号１１の混合物（従来法、上記の熱履歴を与えていない
）の結果を第５図に示Ｊ−ｏこれらの結果を第４表にま
とめて示１゛２、第５表の結果かｒ）、本発明方法て調
製］−２たゴ７１、組成物Ｑ」２、ＰＶ（：のグル化温
度上す低イＩ；（’＋ Ｉ、ｆｆ−）加硫したｑ）合に
シ１従来法Ｃ）イノ、組成物の加（ｈｆｙ物４′ｉ、−
、，１１較（７で向」オゾン性（ｆ６１−極めで劣つ−
（いるが、Ｐ Ｖ ｌコのゲル化温ｌＷ以七＜／）温１
川で７Ｊ１ロ１’ｆ Ｉ−、，１？す）台になよ釘−３
１−法のイノ・組成物の刀］Ｉイ碓′（勿と（′ｉは同
等の１ｌｌｉｔｄソー／１′ｌが１＃Ｉられることが分
る。。Similarly [7? :, Figure 6 shows the results when the mixture of Experiment No. 8 (comparative example) was subjected to the above thermal history, and the results of the mixture of Experiment No. 11 (conventional method, without the above thermal history). The results are summarized in Table 4 and are shown in FIG. 5. , PV (: lower gluing temperature I; ('+ I, ff-) vulcanized q) 1 conventional method C) Ino, addition of the composition (hfy product 4'i, -
,,11 comparison (7 is positive) ozone property (f61-extremely inferior-
(However, the gelation temperature of P V l is 7</) Temperature 1
In the river 7J1ro1'f I-,,1? ) Nail on the stand-3
1-Method's Inno-Composition Sword] I'i'('i is the equivalent 1llitd saw/1'l is 1#I).
実施例２
第６表記載の平均１に今度及び平均粒径を有するＰＶＯ
ラテックスとＮ Ｂ Ｒラテックスとを用いて、実施例
１と同じ方法で本発明カイｉ−＜のイノ・組成物及び対
照例と（ヅＣの従来法のイノ・組成物な調製し、た（
ＮＢＲ／ＰＶＣ＝ ７０／３Ｄ 重量１Ｆ）、、第５表
の高硬１現配合処方により、実施例１と同様にして配合
ゴム組成物を作成し、ＪｊＳ Ｋ６３０１に従って配合
物粘度、１７ＯＵＸｉＯ分プレス加硫物の常態物性、静
的附オゾン性ならびにメシレーテインダ・ディスク・レ
オメータ−（東？−’ｆ＝ ＩＩＩ Ｍ社製品）の最低
トルクを求め第３表に結４４４−を示しｃＯ
第５表記合処方 （高硬配合）
ＮＢＲ／ＰＶＯ混合物 １００重一部ステアリ
ン酸 １Ｎ
亜鉛華 ５ ・
ＳＲＦ カーボンブラック ９０ 〃可
塑剤ＤＯＰ ２０ ”
硫 黄 ０，
５＃促進剤ＴＴ １．５＃
促進剤ｅ Ｚ １．５・
２ｅ
第６表の結果から明らかなように、本発明による製造方
法で作成した配合物は従来法によるものに比べ配合物粘
度が低く（配合物ムーニー粘度。Example 2 PVO having an average particle size of 1 and an average particle size as listed in Table 6
Using the latex and NBR latex, the ino-composition of the present invention and the control example and the ino-composition of the conventional method of the invention were prepared in the same manner as in Example 1.
NBR/PVC = 70/3D weight 1F), A compounded rubber composition was prepared in the same manner as in Example 1 using the high hardness compounding recipe shown in Table 5, and the compound viscosity was adjusted according to JJS K6301, and the press processing was carried out by 17 OUXiO. Determine the normal physical properties of sulfur, static ozone properties, and the minimum torque of a mesirate disc rheometer (Higashi?-'f = III M Company product). (High hardness combination) NBR/PVO mixture 100 parts Stearic acid 1N Zinc white 5 ・SRF Carbon black 90 〃Plasticizer DOP 20'' Sulfur 0,
5# Accelerator TT 1.5# Accelerator e Z 1.5・2e As is clear from the results in Table 6, the blends produced by the production method of the present invention have a lower blend viscosity than those produced by the conventional method. Low (formulation Mooney viscosity.
小ローター使用ＭＳ１＋４．１００℃）また− １７オ
メーターの最低トルクで示した高温での配合物粘度が高
い配合物が得られるのが特長である。配合物粘度が低い
ことは、特に高硬度配合物を得る場合に問題となる混練
作業性、発熱性、スコーチ性の改良につながり、また、
消費電力の削減にもつながるものである。また、高温で
の配合物粘度が高いことは、連続加硫、釜加硫等で問題
となる加硫時の型崩れ防Ｉヒに有効であることを示して
いる。さらに、本発明法のゴム組成物をｐｖｃのゲル化
温度より高い温度で加硫して得た加硫物は従来法の組成
物の加硫物とは望同等の耐オゾン性を有しておジ、特に
耐油、耐オゾン性を供えた高硬度配合物を得る場合に非
常に有効である。MS1+4 (using a small rotor, 100°C) is also characterized by a high formulation viscosity at high temperatures, with a minimum torque of -17 ohm. Low blend viscosity leads to improvements in kneading workability, exothermic properties, and scorch properties, which are problems especially when obtaining high hardness blends, and
This also leads to a reduction in power consumption. Furthermore, the high viscosity of the compound at high temperatures indicates that it is effective in preventing deformation during vulcanization, which is a problem in continuous vulcanization, pot vulcanization, etc. Furthermore, the vulcanizate obtained by vulcanizing the rubber composition of the present invention at a temperature higher than the gelation temperature of PVC has ozone resistance equivalent to that of the vulcanizate of the composition of the conventional method. It is very effective especially when obtaining high hardness compounds with oil resistance and ozone resistance.
第１図〜第６図は実施例１のＮＢＲ／ＰＶＯ混合物の分
散状態を示す電子顕微鏡写真である。
スケ−１１−は／／Ｊでゝるる。
特許出願人 日本ゼオン株式会社
オ ｌ 図
牙３ 図
妙２ ’Ｄう
３゛４ 回1 to 6 are electron micrographs showing the dispersion state of the NBR/PVO mixture of Example 1. Scale 11- is //J. Patent applicant Zeon Corporation
Claims (1)
ニル系樹脂とから成るゴＪ−絹成物を製造するに際し、
平均粒子径５μ以Ｔ（Ｄ塩化ビニル系樹脂を溶融させず
に１１１斤１３粒子径を保持したま＼の状態でアクリロ
ニトリル−共役ジエン系共重合ゴノ、中に均一に分散さ
せることをＩｆ￥徴どする耐油、耐オゾン性を有するゴ
ム組成物の製造方法３．When producing a GoJ-silk composition consisting of an acrylonitrile-conjugated diene copolymer and a vinyl chloride resin,
If the average particle size is 5 μ or more T (D), the vinyl chloride resin is uniformly dispersed in the acrylonitrile-conjugated diene copolymer while maintaining the particle size of 111 kg 13 without melting. Method for producing a rubber composition having desired oil resistance and ozone resistance 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15612282A JPS5945339A (en) | 1982-09-08 | 1982-09-08 | Preparation of rubber composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15612282A JPS5945339A (en) | 1982-09-08 | 1982-09-08 | Preparation of rubber composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5945339A true JPS5945339A (en) | 1984-03-14 |
| JPH0331739B2 JPH0331739B2 (en) | 1991-05-08 |
Family
ID=15620797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15612282A Granted JPS5945339A (en) | 1982-09-08 | 1982-09-08 | Preparation of rubber composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5945339A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02124958A (en) * | 1988-07-15 | 1990-05-14 | Denki Kagaku Kogyo Kk | Thermoplastic polyvinyl chloride elastomer composition |
| JPH08225699A (en) * | 1988-07-15 | 1996-09-03 | Denki Kagaku Kogyo Kk | Thermoplastic elastomer composition |
| JP2014024883A (en) * | 2012-07-24 | 2014-02-06 | Tosoh Corp | Pvc latex for nbr and pvc compositions and nbr and pvc compositions |
-
1982
- 1982-09-08 JP JP15612282A patent/JPS5945339A/en active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02124958A (en) * | 1988-07-15 | 1990-05-14 | Denki Kagaku Kogyo Kk | Thermoplastic polyvinyl chloride elastomer composition |
| JPH08225699A (en) * | 1988-07-15 | 1996-09-03 | Denki Kagaku Kogyo Kk | Thermoplastic elastomer composition |
| JP2014024883A (en) * | 2012-07-24 | 2014-02-06 | Tosoh Corp | Pvc latex for nbr and pvc compositions and nbr and pvc compositions |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0331739B2 (en) | 1991-05-08 |
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