JPH02215851A - Vinyl chloride resin composition - Google Patents
Vinyl chloride resin compositionInfo
- Publication number
- JPH02215851A JPH02215851A JP3605289A JP3605289A JPH02215851A JP H02215851 A JPH02215851 A JP H02215851A JP 3605289 A JP3605289 A JP 3605289A JP 3605289 A JP3605289 A JP 3605289A JP H02215851 A JPH02215851 A JP H02215851A
- Authority
- JP
- Japan
- Prior art keywords
- vinyl chloride
- chloride resin
- resin composition
- weight
- compression set
- 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
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
（ａ） 発明の目的
（産業上の利用分野）
本発明は耐クリープ性、圧縮永久歪特性、耐熱性及び成
形加工性に浸れた塩化ビニル系樹脂組成物に関する。DETAILED DESCRIPTION OF THE INVENTION (a) Object of the Invention (Industrial Application Field) The present invention relates to a vinyl chloride resin composition that is excellent in creep resistance, compression set properties, heat resistance, and moldability.
（従来の技術）
塩化ビニル系樹脂に可塑剤を配合することによシ、軟ら
η為〈てがム状の感触？有する樹脂組成物、いわゆる軟
質塩化ビニル系樹脂組成物が得られることはよく知られ
ている。(Conventional technology) By adding a plasticizer to vinyl chloride resin, it becomes soft (has a sticky feel? It is well known that a so-called soft vinyl chloride resin composition can be obtained.
しかし、かかる軟質塩化１？ニル樹脂組成物は、耐クリ
ープ性に劣シ、応力を加えた後の復元力がゴムと比較し
て小さく、ノ母ツキング材等のような圧縮永久歪特性の
要求される用途には使用できなかった。九とえば、一般
の加硫がムの場合には、圧縮永久歪（ＪＩｉ９に−６３
０１にしたがりて７０℃Ｘ２２時間、２５％圧縮で測定
した圧縮永久歪。However, such soft chloride 1? Nyl resin compositions have poor creep resistance and less restoring force after stress is applied than rubber, and cannot be used in applications that require compression set properties such as bonding materials. There wasn't. 9. For example, in the case of general vulcanization, compression set (JIi9 -63
Compression set measured at 25% compression at 70°C for 22 hours in accordance with 01.
以下同様）は約２０〜４５％と小さい値であって、耐ク
リープ性に浸れているのに対し、一般の軟質塩化ビニル
樹脂組成物の場合には、その値か約５５〜８０ｔＩｋと
大きくて、耐クリープ性に著しく劣っている。) is a small value of about 20 to 45%, which is high in creep resistance, whereas in the case of general soft vinyl chloride resin compositions, this value is as large as about 55 to 80 tIk. , significantly inferior in creep resistance.
塩化ビニル系樹脂組成物の圧縮永久歪に対して大きな影
響を与えるのは、塩化ビニル系樹脂の平均重合度であシ
、上記の圧縮永久歪値の５５〜８０チというのは、平均
重合度３０００〜４００の塩化ビニル樹脂にそれぞれ対
応する値である。したがりて、圧縮永久歪のホブい樹脂
組成物を得るには高重合度の塩化ビニル系樹脂を用いれ
ばよく。It is the average degree of polymerization of the vinyl chloride resin that has a major influence on the compression set of the vinyl chloride resin composition, and the above compression set value of 55 to 80 is due to the average degree of polymerization. These values correspond to vinyl chloride resins of 3000 to 400. Therefore, in order to obtain a hob resin composition with compression set, it is sufficient to use a vinyl chloride resin with a high degree of polymerization.
たとえば、平均重合度１００００以上の塩化ビニル系樹
脂を用いれば、圧縮永久歪を約４５１程度のものとする
ことができる。しかし、この場合には塩化ビニル系樹脂
自体の生産性が低くて樹脂が高価であるとか、或いは高
い重合度のために溶融１度も高くなシ、熱安定性や強力
な押出力を必要とするなどの加工上の問題が発生する。For example, if a vinyl chloride resin having an average degree of polymerization of 10,000 or more is used, the compression set can be about 451. However, in this case, the productivity of the vinyl chloride resin itself is low and the resin is expensive, or the melting rate is high due to the high degree of polymerization, and thermal stability and strong extrusion force are required. Processing problems such as
（発明が解決しようとする問題点）
以上の実情に鑑み、本発明は架橋剤を添加しても耐熱性
ケ大幅に低下させることがなく、耐クリ−１性や圧縮永
久歪特性、及び成形加工性に浸れ九塩化ビニル系樹脂組
成物全提供しようとするものである。(Problems to be Solved by the Invention) In view of the above-mentioned circumstances, the present invention does not significantly reduce heat resistance even when a crosslinking agent is added, and improves Creation resistance, compression set characteristics, and moldability. It is intended to provide a complete vinyl nonachloride resin composition with excellent processability.
（ｂン 発明の構成
（問題点を解決するための手段）
本発明者らは、前記の問題点を解決するために種々研究
を重ねた結果、塩化ビニル系樹脂に特定のニトリルゴム
と可塑剤とを特定の割合で配合したものを、特定量の架
橋剤を用いて加熱混練しながら架橋させて得られた樹脂
組成物によって、その目的全達成することができ友ので
ある。(b) Structure of the Invention (Means for Solving the Problems) As a result of various studies to solve the above-mentioned problems, the present inventors found that a specific nitrile rubber and plasticizer were added to vinyl chloride resin. All of these objectives can be achieved by a resin composition obtained by crosslinking a mixture of the above and the like in a specific ratio while heating and kneading the same using a specific amount of a crosslinking agent.
すなわち、本発明の塩化ビニル系樹脂組成物は。That is, the vinyl chloride resin composition of the present invention.
下記の囚〜（２）の各成分の混合物を加熱混練しなから
架橋反応させてなる組成物である。This composition is obtained by heat-kneading a mixture of the following components (2) and then subjecting it to a crosslinking reaction.
（４）塩化ビニル系樹脂 １００重量部（
Ｂ） 結合アクリロニトリル含有ｔが２０〜４５１Ｌ
量係で、かつテ
トラヒドロフランに不溶なグル
分が２０〜９５重量％で、残部
がテトラヒドロフラン可溶分か
らなる部分架橋されたニトリル
コ９ム １０〜４００重
量部（ｑ 可塑剤 ２５〜３００１に
置部（ロ） 架橋剤 （Ｂ）成分に対して０
．０１〜１重量％本発明の塩化ビニル系樹脂組成物にお
いては、その架橋反応によシ架橋前の樹脂組成物に対し
て圧縮永久歪特性５〜１０Ｌｓ８度下げることができ。(4) 100 parts by weight of vinyl chloride resin (
B) Bound acrylonitrile content t is 20 to 451L
10 to 400 parts by weight (q) of partially crosslinked nitrile copolymer consisting of 20 to 95% by weight of tetrahydrofuran-insoluble glucose and the remainder soluble in tetrahydrofuran. ) Crosslinking agent (B) 0 for component
．． 01 to 1% by weight In the vinyl chloride resin composition of the present invention, the compression set characteristic can be lowered by 5 to 10 Ls by 8 degrees compared to the resin composition before crosslinking due to the crosslinking reaction.
しかも一般の軟質塩化ビニル系樹脂組成物と同程度の加
工性を有するものとすることができる。Moreover, it can be made to have processability comparable to that of general soft vinyl chloride resin compositions.
本発明における（４）塩化ビニル系樹脂としては、塩化
ビニル単独重合体及び塩化ビニルとこれと共重合可能な
池の単量体（九とえは脂肪族ビニルエステル、ビニリデ
ンハライド、アクリル酸アル中ルエステル、メタクリル
酸アルキルエステル、アクリロニトリル、アルキルビニ
ルエーテル、スチレン及びこれらの誘導体）との共重合
体がめげられる。その塩化ビニル系樹脂は平均重合民が
４００〜３０００のものが好ましいが、平均重合度５０
００〜１０，０００程度のものも、価格が高＜ ａ−つ
加工性が悪くなるが使用することができ、この場合にも
圧縮永久歪を架橋前のものと較べて前述と同様に約５〜
１０チ程度低下させることができる。(4) Vinyl chloride resin in the present invention includes vinyl chloride homopolymers, vinyl chloride, and monomers copolymerizable therewith (including aliphatic vinyl esters, vinylidene halides, and acrylic acid alkyl esters). , methacrylic acid alkyl ester, acrylonitrile, alkyl vinyl ether, styrene, and their derivatives). The vinyl chloride resin preferably has an average polymerization degree of 400 to 3000, but an average polymerization degree of 50
00 to 10,000 can also be used, although the price is high and the workability is poor. In this case, the compression set is also about 5% compared to that before crosslinking. ~
It can be lowered by about 10 inches.
本発明における（Ｂ）ニトリルゴムは、アクリロニトリ
ルと１タジエンとの共重合体ゴムであって、結合アクリ
ロニトリル含有量が２０〜４５重量％で、かつテトラヒ
ドロフランに不溶なｒ部分が２０〜９５１１ｆ％で、残
部がテトラヒドロフラン可溶分からなる部分架橋された
ものである。本明細書に記載の「テトラヒドロフランに
不溶なグル分」とは、ニトリルゴム（以下ｒ ＮＢＲＪ
ということがある）ｔ２５℃の温度においてテトラヒド
ロフラン（以下においてｒ ＴＨＦ Ｊということがあ
る）で１６時間押出し、１００メツシ１フイルターで分
離される抽出残渣をいう。かかるＴＨＦに不溶なｒ部分
を含むＮＢＲは、たとえばアクリロニトリルと１タジエ
ンとの重合時に、ジビニルベンゼンのような分子中に２
個以上の共重合性二重結合を有する化合物を架橋剤とし
て加えることによって得られる。かかるＮＢＲは各種の
ものが市販されており。The nitrile rubber (B) in the present invention is a copolymer rubber of acrylonitrile and 1-tadiene, the content of bound acrylonitrile is 20 to 45% by weight, and the r portion insoluble in tetrahydrofuran is 20 to 9511f%, The remainder is partially crosslinked, consisting of a tetrahydrofuran soluble component. The "glue insoluble in tetrahydrofuran" described in this specification refers to nitrile rubber (r NBRJ
It refers to the extraction residue obtained by extruding with tetrahydrofuran (hereinafter sometimes referred to as rTHFJ) at a temperature of 25° C. for 16 hours and separating it with a 100 mesh filter. Such THF-insoluble r moiety-containing NBR can be formed into molecules such as divinylbenzene during the polymerization of acrylonitrile and 1-tadiene.
It can be obtained by adding a compound having two or more copolymerizable double bonds as a crosslinking agent. Various types of such NBR are commercially available.
本発明はそれらの市販品を用いて実施することができる
。The present invention can be carried out using these commercially available products.
本発明の樹脂組成物におけるＮＢＲの割合は、塩化ビニ
ル系樹脂１００重量部に対してＮＢＲが１０〜４００重
量部、好ましくは５０〜３００重量部である。そのＮＢ
Ｒ量が少なすぎると耐クリーブ性や圧縮永久歪特性が充
分に改良されないし、逆に多すぎてもそれ以上の効果の
向上が望めない。The proportion of NBR in the resin composition of the present invention is 10 to 400 parts by weight, preferably 50 to 300 parts by weight, per 100 parts by weight of the vinyl chloride resin. That NB
If the amount of R is too small, the cleaving resistance and compression set properties will not be sufficiently improved, and if the amount is too large, no further improvement of the effect can be expected.
本発明における（Ｃ］可塑剤としては、一般に塩化ビニ
ル樹脂の可塑剤として使用できるものであれば何でも使
用でき、具体例としてはジブチルフタレート、ジオクチ
ルフタレート、ブチルベンジルフタレートなどの芳香族
多塩基酸エステル、ジオクチルアジペート、ジオクチル
アゼレート、ジオクチルセパケート等の脂肪族多塩基酸
アルキルエステル等があげられる。本発明における可塑
剤の割合は、塩化ビニル系樹脂１００重量部に対して２
５〜３００重量部、好１しくは４０〜２００重量部であ
る。可塑剤量が少なすぎると樹脂組成物の圧縮永久歪が
大きくなるし、逆に多すぎると樹脂組成物の生産性や加
工性が低下してくる。As the plasticizer (C) in the present invention, anything can be used as long as it can generally be used as a plasticizer for vinyl chloride resin, and specific examples include aromatic polybasic acid esters such as dibutyl phthalate, dioctyl phthalate, and butylbenzyl phthalate. , dioctyl adipate, dioctyl azelate, dioctyl sepacate, and other aliphatic polybasic acid alkyl esters.The proportion of the plasticizer in the present invention is 2 parts by weight per 100 parts by weight of the vinyl chloride resin.
The amount is 5 to 300 parts by weight, preferably 40 to 200 parts by weight. If the amount of plasticizer is too small, the compression set of the resin composition will increase, and if it is too large, the productivity and processability of the resin composition will decrease.
本発明における口）架橋剤としては、たとえば２．５−
ジメチル−２，５−ノ（ｔ−ブチルパーオキシ）−＃キ
シンー３、アセチルシクロへキシルスルフォニルパーオ
キサイド、ジクミルパーオキサイドなどの有機過酸化物
などがあげられる。架橋剤の配合割合は、 ＮＢＲ量に
対して０．Ｏ１〜１重量俤、好ましくは０．０３〜０．
７重量慢である。架橋剤の割合が少なすぎると耐クリー
プ性やＥＥ縮永久歪特性の改良が得られないし、多すぎ
ると加工性や耐熱性の低下金柑く。As the crosslinking agent in the present invention, for example, 2.5-
Examples include organic peroxides such as dimethyl-2,5-no(t-butylperoxy)-#xin-3, acetylcyclohexylsulfonyl peroxide, and dicumyl peroxide. The blending ratio of the crosslinking agent is 0.0% relative to the amount of NBR. O1-1 weight range, preferably 0.03-0.
7.He is arrogant. If the proportion of the crosslinking agent is too small, no improvement in creep resistance or EE shrinkage properties can be obtained, while if it is too large, the processability and heat resistance will deteriorate.
本発明の燻化ビニル系樹脂組成物は、前記の（Ｎ〜（Ｄ
）の各成分を所定割合で混合したものを適宜の混ｍ１！
Ｉを用いて所定の１度に加熱しながら混練して架橋させ
ることにより容易に得られる。その混線機としては、た
とえばパンパＩＪ−ミキサ、加圧ニーダ−コーニーダー
等の密閉系の混線機があげられる。また、その加熱温度
は、有機過酸化物の種類によりても異なるが、通常１２
０〜２００℃、好ましくは１４０〜１８０℃である。The vinyl smoked resin composition of the present invention has the above-mentioned (N~(D
) are mixed in a predetermined ratio and mixed into an appropriate mixture of m1!
It can be easily obtained by kneading and crosslinking using I while heating to a predetermined temperature. Examples of such a mixer include a closed type mixer such as a pamper IJ mixer, a pressure kneader, and a co-kneader. The heating temperature varies depending on the type of organic peroxide, but is usually 12
The temperature is 0 to 200°C, preferably 140 to 180°C.
本発明の塩化ビニル樹脂組成物は、そのまま各種の成形
品の製造に使用で暑るが、必要に応じてさらに他の熱可
塑性樹脂、ゴム、ａＴ塑剤、熱安定剤、充填剤、顔料及
び加工用助剤等全配合してから成形加工に使用される。The vinyl chloride resin composition of the present invention can be used as it is to manufacture various molded products, but if necessary, it can be further added with other thermoplastic resins, rubber, aT plasticizer, heat stabilizers, fillers, pigments, etc. It is used for molding after all processing aids are mixed.
その配合される他の熱可塑性樹脂としては、たとえばエ
チレン−酢酸ビニル共重合体、塩素化ポリエチレン、
ＡＢＳ樹脂、ｈｓ＠脂、ウレタン樹脂。Other thermoplastic resins to be blended include, for example, ethylene-vinyl acetate copolymer, chlorinated polyethylene,
ABS resin, hs@fat, urethane resin.
アクリル系樹脂などがめげられる。また、そのゴムとし
ては、不発明の組成物の製造に用いられるＮＢＲ以外の
ＮＢＲ％ＣＲ等があけられる。Acrylic resin etc. are affected. Further, as the rubber, NBR%CR and the like other than NBR used in the production of the non-inventive composition can be used.
その安定剤としては、たとえば三塩基性硫酸鉛等の鉛系
熱安定剤、ジブチルスズマレート等のスズ系安定剤、ス
テアリン酸亜鉛、ステアリン酸カルシウム等の金属石け
んなどがあげられる。Examples of the stabilizer include lead-based heat stabilizers such as tribasic lead sulfate, tin-based stabilizers such as dibutyltin malate, and metal soaps such as zinc stearate and calcium stearate.
その充填剤としては、７ｔとえはカー？ンプラ。As for the filler, 7t is car? Npura.
り、炭酸カルシウム、酸化チタン、メルク、アスベスト
、水酸化アルミニウム、水酸化マグネシウム等があげら
れる。Examples include calcium carbonate, titanium oxide, Merck, asbestos, aluminum hydroxide, magnesium hydroxide, etc.
さらにその顔料としては、たとえばカラーカーメンブラ
ック、クロムイエロー、酸化チタン、フタロシアニング
リーン等がアケラレル。Furthermore, the pigments include color carmen black, chrome yellow, titanium oxide, phthalocyanine green, etc.
本発明の塩化ビニル系樹脂組成物は、従来の塩化ビニル
系樹脂組成物の（し、ト造粒成形におけると同様にして
（レットに造粒成形することができる。すなわち、本発
明の塩化ビニル系樹脂組成物をスーパーミキサ、プレン
ダー等を用いて可塑剤や安定剤等と混合してからパンパ
リ ６ｑす、押出機等を用いて加熱混練して造粒すれば
成形用ペレットが得られる。かかる方法で製造場れたペ
レットは、一般の軟質塩化ビニル系樹脂ペレットと同様
に射ａ成形、押出成形、ブレス成形、プロー成形、カレ
ンダー成形等によシ各種の成形品に成形することができ
、その際の加工性は軟質塩化ビニル樹脂の場合と同様に
良好である。The vinyl chloride resin composition of the present invention can be granulated in the same manner as in the granulation molding of conventional vinyl chloride resin compositions. Molding pellets can be obtained by mixing the resin composition with plasticizers, stabilizers, etc. using a super mixer, a blender, etc., and then heat-kneading and granulating it using a Panpari 6q, extruder, etc. The pellets produced by this method can be molded into various molded products by injection molding, extrusion molding, breath molding, blow molding, calendar molding, etc., in the same way as general soft vinyl chloride resin pellets. Processability in this case is as good as in the case of soft vinyl chloride resin.
本発明の塩化ビニル系樹脂組成物は、耐クリープ性、圧
縮永久歪特性、高温時の形状保持性等に浸れているので
、かかる特性を利用する用途の成形品、たとえばパツキ
ン、グロメット、ジャ・９う状成形品、チーーツ、ホー
ス、シート、レゾ−電線被覆等の、従来の軟質塩化ビニ
ル樹脂では上記の特性の点において劣るため利用できな
かった用途に有利に使用することができる。The vinyl chloride resin composition of the present invention has excellent creep resistance, compression set characteristics, shape retention at high temperatures, etc., so it can be used for molded products that utilize these characteristics, such as packing, grommets, and jackets. It can be advantageously used in applications where conventional soft vinyl chloride resins cannot be used due to their inferior properties, such as 9-shaped molded products, cheeses, hoses, sheets, and reso-electric wire coatings.
さらに、本発明の塩化ビニル系樹脂組成物は、ＮＢＲが
含まれるためＮＢＲ特有の耐油性が付与されているし、
塩化ビニル系樹脂に特有の耐熱老化性全保持し、加えて
、前記し次ような耐クリープ性、圧縮永久歪特性、高温
時の形状保持性にも浸れているのであるから、前記した
用途以外の新しい用途にも幅広く利用できることが期待
される。Furthermore, since the vinyl chloride resin composition of the present invention contains NBR, it is imparted with oil resistance peculiar to NBR.
It retains all the heat aging resistance characteristic of vinyl chloride resins, and also has the following creep resistance, compression set characteristics, and shape retention at high temperatures, so it can be used for purposes other than those listed above. It is expected that it can be used in a wide range of new applications.
（実施例等） 以下に実施例及び比較例ｆｔあげてさらに詳述する。(Examples, etc.) Examples and comparative examples ft will be given below for further details.
実施例１〜７
比較例１〜１２
第１表に示す各実施例及び比較例の配合を用いた塩化ビ
ニル樹脂組成物ｔプラベンダープラストグラフに投入し
、セルａ度１４５℃、ローター回転数３０ ｒｐｍで１
０分間予備混練したのち、ローター回転数上８０〜１０
０ ｒｐｍに上げ、樹脂温度１８０℃で１０分間混練し
て架ａｉさせた（比だし架橋剤の配合されていない比較
例においては架橋反応が起らないのは勿論である。）。Examples 1 to 7 Comparative Examples 1 to 12 Vinyl chloride resin compositions using the formulations of the Examples and Comparative Examples shown in Table 1 were charged into a Prabender Plastograph, cell a degree was 145°C, and rotor rotation speed was 30. 1 at rpm
After pre-kneading for 0 minutes, increase the rotor rotation speed to 80-10
0 rpm and kneaded for 10 minutes at a resin temperature of 180° C. to cause crosslinking (of course, in the comparative example in which no crosslinking agent was blended, no crosslinking reaction occurred).
プラベンダーから取出された各樹脂組成物の一部を、表
面温度１５０Ｃのミルロールで０．５ｍ厚さのシートに
し、得られ次シートρ為ら温度１８０℃のプレス法を用
いて測定用試料を作成した。A part of each resin composition taken out from the plastic bender was made into a 0.5 m thick sheet using a mill roll with a surface temperature of 150°C, and then a measurement sample was made from the obtained sheet ρ using a pressing method at a temperature of 180°C. Created.
得られた各測定用試料、及びグラベンダーη為ら取出さ
れた各樹脂組成物音用いて下記の各試験をした。その結
果は第１我に示すとお）であった。The following tests were conducted using each of the obtained measurement samples and each resin composition sample taken from Gravender. The results were as shown in Part 1).
■ 圧縮永久歪（幻
上記の作成試料について、７０℃×２２時間の条件を用
いてＪＩ８に−６３０１に準じて測定をする。(2) Compression set (phantom) The sample prepared above is measured in accordance with JI8-6301 using the conditions of 70°C x 22 hours.
■ 耐熱性
上記の作成試料について、イヤー式オーブン耐熱テスト
によシ、温度１８０℃で黒変するまでの時間（分）を測
定する。■ Heat Resistance The above-prepared sample was subjected to an ear oven heat resistance test and the time (minutes) until it turned black at a temperature of 180°C was measured.
■ 加工性
プラベンダーから取出された樹脂組成物’ｔ−，２０■
押出機を用いてスクリーー回転数２０ ｒｐｍで、温度
Ｃ１：１６０℃、Ｃ２：１７０Ｃ，Ｃ’、１８０ｃ、Ｄ
；１８０℃の条件で押出し、得られた押出成形物の表面
の凹凸の有無全肉眼で観察し、下記の基準によシ評価し
九。■ Resin composition extracted from processable plastic bender 't-, 20■
Using an extruder at a scree rotation speed of 20 rpm, temperature C1: 160°C, C2: 170C, C', 180c, D
Extrusion was carried out at 180° C., and the surface of the extruded product obtained was observed with the naked eye for the presence or absence of irregularities, and evaluated according to the following criteria: 9.
Ｏ・・・表面凹凸なし
Δ・・・表面凹凸多少あシ
×・・・ｆｉ面凹凸めシ
ＸＸ・・・表面凹凸著しい
第１表から、架橋剤を加えて架橋反応させて得られた実
施例の樹脂組成物は、比較例１や４の架橋剤を加えなか
った樹脂組成物と較べて圧縮永久歪が改良されている。O: No surface irregularities Δ: Some surface irregularities ×: Fi surface irregularities XX: Significant surface irregularities From Table 1, results obtained by adding a crosslinking agent and causing a crosslinking reaction The resin compositions of the examples have improved compression set compared to the resin compositions of Comparative Examples 1 and 4 in which no crosslinking agent was added.
また、実施例の樹脂組成物は、予め部分架橋させたＮＢ
Ｒを用いた比較例２や３の樹脂組成物に較べて、加工性
に著しく優れている。また、実施例の樹脂組成物は、Ｔ
ＨＦに不溶なダル分を全く含まないＮＢＲを加えて架橋
反応させた比較例５〜８の樹脂組成物に較べて、圧縮永
久歪、耐熱性及び加工性が総合的に優れている。In addition, the resin composition of the example was made of NB partially crosslinked in advance.
Compared to the resin compositions of Comparative Examples 2 and 3 using R, the processability is significantly superior. Further, the resin composition of the example was T
Compared to the resin compositions of Comparative Examples 5 to 8, in which NBR containing no dull content insoluble in HF was added and subjected to crosslinking reaction, compression set, heat resistance, and processability are comprehensively superior.
（Ｃ１発明の効果
本発明の塩化ビニル系樹脂組成物は、圧縮永久歪特性等
の耐クリープ性、耐熱性及び成形加工性に優れている。(C1 Effect of the Invention The vinyl chloride resin composition of the present invention is excellent in creep resistance such as compression set characteristics, heat resistance, and moldability.
Claims (1)
練しながら架橋反応させてなる塩化ビニル系樹脂組成物
。 （Ａ）塩化ビニル系樹脂１００重量部 （Ｂ）結合アクリロニトリル含有量が２０〜４５重量％
で、かつテトラヒドロフランに不溶なゲル分が２０〜９
５重量％で、残部がテトラヒドロフラン可溶分からなる
部分架橋されたニトリルゴム１０〜４００重量部 （Ｃ）可塑剤２５〜３００重量部 （Ｄ）架橋剤（Ｂ）成分に対し０．０１〜１重量％(1) A vinyl chloride resin composition obtained by subjecting a mixture of the following components (A) to (D) to a crosslinking reaction while heating and kneading. (A) 100 parts by weight of vinyl chloride resin (B) Content of bound acrylonitrile is 20-45% by weight
and the gel content insoluble in tetrahydrofuran is 20 to 9
10 to 400 parts by weight of partially crosslinked nitrile rubber (C) plasticizer 25 to 300 parts by weight (D) crosslinking agent (B) 0.01 to 1 part by weight based on component (B) %
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1036052A JP2791674B2 (en) | 1989-02-17 | 1989-02-17 | Vinyl chloride resin composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1036052A JP2791674B2 (en) | 1989-02-17 | 1989-02-17 | Vinyl chloride resin composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02215851A true JPH02215851A (en) | 1990-08-28 |
| JP2791674B2 JP2791674B2 (en) | 1998-08-27 |
Family
ID=12458946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1036052A Expired - Fee Related JP2791674B2 (en) | 1989-02-17 | 1989-02-17 | Vinyl chloride resin composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2791674B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000026292A1 (en) * | 1998-11-04 | 2000-05-11 | Nippon Zeon Co., Ltd. | Polyblend composition, crosslinked object, and hose for fuel |
| JP2002179843A (en) * | 2000-12-13 | 2002-06-26 | Denki Kagaku Kogyo Kk | Thermoplastic elastomer composition, coating material and hose |
| EP1156251A3 (en) * | 2000-05-11 | 2003-04-02 | Tokai Rubber Industries, Ltd. | Fuel transporting hose |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57125227A (en) * | 1981-01-28 | 1982-08-04 | Sumitomo Bakelite Co Ltd | Nbr composition |
| JPS57187341A (en) * | 1981-05-15 | 1982-11-18 | Sumitomo Bakelite Co Ltd | Vinyl chloride resin composition |
| JPS61188440A (en) * | 1985-02-14 | 1986-08-22 | Japan Synthetic Rubber Co Ltd | Vinyl chloride resin composition |
| JPS6426658A (en) * | 1988-04-08 | 1989-01-27 | Sumitomo Bakelite Co | Nbr composition |
| JPH02124958A (en) * | 1988-07-15 | 1990-05-14 | Denki Kagaku Kogyo Kk | Thermoplastic polyvinyl chloride elastomer composition |
-
1989
- 1989-02-17 JP JP1036052A patent/JP2791674B2/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57125227A (en) * | 1981-01-28 | 1982-08-04 | Sumitomo Bakelite Co Ltd | Nbr composition |
| JPS57187341A (en) * | 1981-05-15 | 1982-11-18 | Sumitomo Bakelite Co Ltd | Vinyl chloride resin composition |
| JPS61188440A (en) * | 1985-02-14 | 1986-08-22 | Japan Synthetic Rubber Co Ltd | Vinyl chloride resin composition |
| JPS6426658A (en) * | 1988-04-08 | 1989-01-27 | Sumitomo Bakelite Co | Nbr composition |
| JPH02124958A (en) * | 1988-07-15 | 1990-05-14 | Denki Kagaku Kogyo Kk | Thermoplastic polyvinyl chloride elastomer composition |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000026292A1 (en) * | 1998-11-04 | 2000-05-11 | Nippon Zeon Co., Ltd. | Polyblend composition, crosslinked object, and hose for fuel |
| EP1152029A4 (en) * | 1998-11-04 | 2002-11-20 | Nippon Zeon Co | POLYBLEND COMPOSITION, CROSSLINKED ARTICLE, AND FUEL SUPPLY HOSE |
| EP1156251A3 (en) * | 2000-05-11 | 2003-04-02 | Tokai Rubber Industries, Ltd. | Fuel transporting hose |
| JP2002179843A (en) * | 2000-12-13 | 2002-06-26 | Denki Kagaku Kogyo Kk | Thermoplastic elastomer composition, coating material and hose |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2791674B2 (en) | 1998-08-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE3750992T2 (en) | Elastomer compounds. | |
| JPS6211022B2 (en) | ||
| US4340530A (en) | Vinyl chloride type resin composition | |
| JPH05132602A (en) | Chlorinated pvc blend | |
| JPS6344782B2 (en) | ||
| JPH02215851A (en) | Vinyl chloride resin composition | |
| US2889308A (en) | Resinous mixtures containing vinyl chloride-octyl acrylate interpolymers and acrylonitrile-styrene copolymers | |
| JPS6254347B2 (en) | ||
| JPS60173036A (en) | Method for producing vinyl chloride resin composition | |
| JP2608816B2 (en) | Vinyl chloride resin composition | |
| JPS6244782B2 (en) | ||
| US5759686A (en) | Vinyl chloride resin composition | |
| JPH083965B2 (en) | High impact resilience matte curl cord | |
| US5672650A (en) | Vinyl chloride resin composition | |
| JPS6238377B2 (en) | ||
| JPH0252673B2 (en) | ||
| JPH0525346A (en) | Vinyl chloride resin composition | |
| JPS6330553A (en) | Thermoplastic elastomer composition | |
| JPH0144737B2 (en) | ||
| JPS61103955A (en) | Production of vinyl chloride resin composition | |
| JPH0447707B2 (en) | ||
| JPH0522729B2 (en) | ||
| JPS6330551A (en) | thermoplastic elastomer composition | |
| JPS61192755A (en) | Thermoplastic rubber composition | |
| JPH0555550B2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |