JPH0236365B2 - KAKYOGANFUTSUSONETSUKASOSEIGOMUSEIKEIHIN - Google Patents
KAKYOGANFUTSUSONETSUKASOSEIGOMUSEIKEIHINInfo
- Publication number
- JPH0236365B2 JPH0236365B2 JP16915282A JP16915282A JPH0236365B2 JP H0236365 B2 JPH0236365 B2 JP H0236365B2 JP 16915282 A JP16915282 A JP 16915282A JP 16915282 A JP16915282 A JP 16915282A JP H0236365 B2 JPH0236365 B2 JP H0236365B2
- Authority
- JP
- Japan
- Prior art keywords
- polymer chain
- fluorine
- thermoplastic rubber
- containing thermoplastic
- elastomeric polymer
- 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
- 229920000642 polymer Polymers 0.000 claims description 31
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 22
- 229910052731 fluorine Inorganic materials 0.000 claims description 22
- 239000011737 fluorine Substances 0.000 claims description 22
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 22
- 230000005855 radiation Effects 0.000 claims description 6
- 229920002313 fluoropolymer Polymers 0.000 claims 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 8
- -1 iodide compound Chemical class 0.000 description 8
- 229910052740 iodine Inorganic materials 0.000 description 7
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000004132 cross linking Methods 0.000 description 4
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 4
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 208000013201 Stress fracture Diseases 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- NDMMKOCNFSTXRU-UHFFFAOYSA-N 1,1,2,3,3-pentafluoroprop-1-ene Chemical group FC(F)C(F)=C(F)F NDMMKOCNFSTXRU-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical compound C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 230000005865 ionizing radiation Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Landscapes
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Description
本発明は、架橋含フツ素熱可塑性ゴム成形品に
関し、更に関しくは放射線照射により架橋されて
圧縮永久ひずみや機械的性質が改良された含フツ
素熱可塑性ゴム成形品に関する。
含フツ素熱可塑性ゴムは、耐熱性、耐摩耗性、
耐薬品性、耐溶剤性、耐油性などに優れており、
チユーブ、シート、フイルム、その他の成形品
（たとえばＯ−リング、シール材）に成形され、
あるいは電線、外装材、締め付け具などに被覆さ
れて種々の用途に用いられる。
しかし、含フツ素熱可塑性ゴムは、種類によつ
ては、圧縮永久ひずみや耐応力破壊性に劣るもの
がある。
本発明者らは、この様な含フツ素熱可塑性ゴム
の欠点を、他の優れた性質を損うことなく改良す
るために研究を行なつた結果、放射線照射により
架橋すれば、含フツ素熱可塑性ゴムの圧縮永久ひ
ずみや耐応力破壊性が改良されるばかりでなく、
機械的性質、特に高温特性が向上することを見い
出し本発明を完成するに至つた。
すなわち、本発明の要旨は、少なくとも１種の
エラストマー性ポリマー鎖セグメントおよび少な
くとも１種の非エラストマー性ポリマー鎖セグメ
ントから成り、そのうちの少なくとも１つは含フ
ツ素ポリマー鎖セグメントである含フツ素熱可塑
性ゴムを放射線照射により架橋された含フツ素熱
可塑性ゴム成形品に存する。含フツ素熱可塑性ゴ
ムとしては、エラストマー性ポリマー鎖セグメン
トと非エラストマー性ポリマー鎖セグメントの重
量比が40〜95：５〜90であるものが好ましい。
含フツ素熱可塑性ゴムとして特に好ましい具体
例を示せば２種または３種のポリマー鎖セグメン
トから成る連鎖と、該連鎖の一端に存在するヨウ
素原子ならびに該連鎖の他端に存在するアイオダ
イド化合物から少なくとも１個のヨウ素原子を除
いた残基から成り、
前記ポリマー鎖セグメントの１種（連鎖が２種
のポリマー鎖セグメントから成る場合）もしくは
１種または２種（連鎖が３種のポリマー鎖セグメ
ントから成る場合）は(1)ビニリデンフルオライ
ド／ヘキサフルオロプロピレンまたはペンタフル
オロプロピレン／テトラフルオロエチレン（モル
比45〜90：５〜50：０〜35）ポリマーおよび(2)パ
ーフルオロ（C1〜C3アルキルビニルエーテル）
（複数個のエーテル結合を含むものも包割する。
以下同様。）／テトラフルオロエチレン／ビニリ
デンフルオライド（モル比15〜75：０〜85：０〜
85）ポリマーから選択された、分子量30000〜
1200000のエラストマー性ポリマー鎖セグメント
であり、
前記ポリマー鎖セグメントの残余は(3)ビニリデ
ンフルオライド／テトラフルオロエチレン（モル
比０〜100：０〜100）ポリマー(4)およびエチレ
ン／テトラフルオロエチレン／ヘキサフルオプロ
ピレン、３，３，３−トリフルオロプロピレン−
１，２−トリフルオロメチル−３，３，３−トリ
フルオロプロピレン−１またはパーフルオロ
（C1〜C3アルキルビニルエーテル）（モル比40〜
60：60〜40：０〜30）ポリマーから選択された、
分子量3000〜400000の非エラストマー性ポリマー
鎖セグメントであり、
エラストマー性ポリマー鎖セグメントと非エラ
ストマー性ポリマー鎖セグメントの重量比が40〜
95：５〜60である、
含フツ素熱可塑性ゴムが挙げられる。
本発明で使用する好ましい含フツ素熱可塑性ゴ
ムは特開昭53−3495号公報に記載されている。
含フツ素熱可塑性ゴムの曲型的な構造はたとえ
ば式：
Ｑ〔（Ａ−Ｂ−…）Ｉ〕o
〔式中、Ｑはアイオダイド化合物からヨウ素原子
を除いた残基、Ａ、Ｂ、…はそれぞれポリマー鎖
セグメント（たゞし、そのうちの少なくとも一つ
は含フツ素ポリマー鎖セグメントである。）、Ｉは
前記アイオダイド化合物から遊離したヨウ素原
子、ｎはＱの結合手の数を表わす。〕
で示され、基本的に、少なくとも２種のポリマー
鎖セグメントから成る連鎖と、その両末端に結合
した、ヨウ素原子ならびにアイオダイド化合物か
ら少なくとも１個のヨウ素原子を除いた残基を必
須構成分として成る。しかして、前記少なくとも
２種のポリマー鎖セグメントは、それぞれ隣接す
るポリマー鎖セグメントとは互いに異種のもの
（たとえばそれを構成するモノマー単位の構造や
組成を異にするもの。）であり、それらのうちの
少なくとも１種は含フツ素ポリマー鎖セグメント
であり、少なくとも１種のハードセグメントおよ
び少なくとも１種のソフトセグメントからなる。
好ましくは、各ポリマー鎖セグメントはそれぞれ
分子量3000以上ではあるが、その少なくとも１種
のポリマー鎖セグメントは分子量30000以上を有
するものであつて、いわゆるテロマー領域を除く
ものである。また、前記アイオダイド化合物から
少なくともヨウ素原子を除いた残基は、該アイオ
ダイド化合物に重合性二重結合が存在する場合に
は、前記ポリマー鎖セグメントを構成するモノマ
ーないしは該アイオダイド化合物に由来する何ら
かの置換分を有しうるものである。これら含フツ
素熱可塑性ゴムは、通常0.001〜10重量％のヨウ
素原子を含む。ただし、熱可塑性ゴム合成後に、
ヨウ素を反応により除去し、または他の残基に置
換したものも含まれる。
本発明において用いる放射線は、電離性放射線
であり、含フツ素熱可塑性ゴムの厚さを浸透する
のに十分な高エネルギーを有するものである。た
とえば、Ｘ線、ガンマ線、電子線、陽子線、重陽
子線、アルフア線、ベータ線などが単独でまたは
組み合せて用いられる。就中、電子線およびガン
マ線が好ましい。
照射量は、0.1〜50Mrad、好ましくは１〜
20Mradである。照射量が下限より少なければ十
分な架橋効果が得られず、一方上限より多いとゴ
ムの劣化を招くおそれがある。
照射温度は限定的ではないが、−20〜100℃、た
とえば10〜50℃で有効である。
照射雰囲気も任意であるが、真空中、空気中、
窒素、アルゴン、ヘリウムなどの不活性な気体
中、さらには、モノマーの存在下で行なつてもよ
い。就中、真空または窒素雰囲気が好ましい。
含フツ素熱可塑性ゴムは常法により成形、加工
され、次いで常套の方法で放射線照射される。
照射架橋後、さらに熱処理を行なうと、機械的
性質が改善される。
本発明の様に放射線架橋を行なうと、含フツ素
熱可塑性ゴムの透明性を損うことがなく、また着
色も生じない。また、架橋剤などを加えないた
め、成形品からの薬品類の浸出がなく、たとえば
食品工業の分野では非常に有利である。さらに、
放射線によつて殺菌されるという効果がある。
次に実施例および比較例を示し、本発明を具体
的に説明する。
実施例 １〜６
第１表に示す熱可塑性ゴムから作つたＰ−24O
リング試料ピース（Ｏリング用圧縮成型機によ
り、230℃で溶融させ、10分間加圧した後、直ち
に加圧下に水冷して硬化させて作成）を常温でガ
ンマ線により、１，３または10Mradの照射量で
照射した。次いで、架橋試料ピースを100℃で24
時間、25％圧縮した。圧縮永久ひずみを第１表に
示す。
また、未架橋の試料ピースについて同様の試験
を行なつた。結果を第１表に示す。
The present invention relates to a crosslinked fluorine-containing thermoplastic rubber molded article, and more particularly to a fluorine-containing thermoplastic rubber molded article crosslinked by radiation irradiation to improve compression set and mechanical properties. Fluorine-containing thermoplastic rubber has heat resistance, abrasion resistance,
It has excellent chemical resistance, solvent resistance, oil resistance, etc.
Molded into tubes, sheets, films, and other molded products (e.g. O-rings, sealing materials),
Alternatively, it is used for various purposes by coating electric wires, sheathing materials, fasteners, etc. However, depending on the type of fluorine-containing thermoplastic rubber, some have poor compression set and stress fracture resistance. The present inventors conducted research to improve these drawbacks of fluorine-containing thermoplastic rubber without impairing its other excellent properties. This not only improves the compression set and stress fracture resistance of thermoplastic rubber, but also
It was discovered that mechanical properties, especially high temperature properties, were improved and the present invention was completed. That is, the gist of the present invention is to provide a fluorine-containing thermoplastic comprising at least one elastomeric polymer chain segment and at least one non-elastomeric polymer chain segment, at least one of which is a fluorine-containing polymer chain segment. It consists of a fluorine-containing thermoplastic rubber molded product made by crosslinking rubber by irradiating it with radiation. The fluorine-containing thermoplastic rubber preferably has a weight ratio of elastomeric polymer chain segments to non-elastomeric polymer chain segments of 40 to 95:5 to 90. A particularly preferred example of the fluorine-containing thermoplastic rubber is a chain consisting of two or three types of polymer chain segments, an iodine atom present at one end of the chain, and an iodide compound present at the other end of the chain. one of the polymer chain segments (if the chain consists of two polymer chain segments) or one or two (if the chain consists of three polymer chain segments) case) is (1) vinylidene fluoride/hexafluoropropylene or pentafluoropropylene/tetrafluoroethylene (molar ratio 45-90:5-50:0-35) polymer and (2) perfluoro( C1 - C3 alkyl) vinyl ether)
(Those containing multiple ether bonds are also included.
Same below. )/tetrafluoroethylene/vinylidene fluoride (molar ratio 15-75:0-85:0-
85) Selected from polymers, molecular weight 30000 ~
1,200,000 elastomeric polymer chain segments, the remainder of said polymer chain segments being (3) vinylidene fluoride/tetrafluoroethylene (molar ratio 0-100:0-100) polymer and (4) ethylene/tetrafluoroethylene/hexafluoride. Fluopropylene, 3,3,3-trifluoropropylene-
1,2-trifluoromethyl-3,3,3-trifluoropropylene-1 or perfluoro( C1 - C3 alkyl vinyl ether) (molar ratio 40~
60:60~40:0~30) polymers selected from
A non-elastomeric polymer chain segment with a molecular weight of 3,000 to 400,000, and a weight ratio of elastomeric polymer chain segments to non-elastomeric polymer chain segments of 40 to 400,000.
Examples include fluorine-containing thermoplastic rubbers having a ratio of 95:5 to 60. A preferable fluorine-containing thermoplastic rubber for use in the present invention is described in Japanese Patent Application Laid-open No. 3495/1983. The curved structure of the fluorine-containing thermoplastic rubber is, for example, represented by the formula: Q[(A-B-...)I] o [wherein, Q is the residue obtained by removing the iodine atom from the iodide compound, A, B,... each represents a polymer chain segment (at least one of which is a fluorine-containing polymer chain segment), I represents an iodine atom released from the iodide compound, and n represents the number of bonds in Q. ], basically consisting of a chain consisting of at least two types of polymer chain segments, an iodine atom bonded to both ends of the chain, and a residue obtained by removing at least one iodine atom from an iodide compound as essential constituents. Become. Therefore, the at least two types of polymer chain segments are different from each other (for example, the structures and compositions of the monomer units that constitute them are different) from the adjacent polymer chain segments, and among them, At least one type of fluorine-containing polymer chain segment is composed of at least one type of hard segment and at least one type of soft segment.
Preferably, each polymer chain segment has a molecular weight of 3,000 or more, and at least one of the polymer chain segments has a molecular weight of 30,000 or more, excluding so-called telomer regions. Furthermore, in the case where a polymerizable double bond exists in the iodide compound, the residue obtained by removing at least an iodine atom from the iodide compound is a monomer constituting the polymer chain segment or some substituent derived from the iodide compound. It is possible to have These fluorine-containing thermoplastic rubbers usually contain 0.001 to 10% by weight of iodine atoms. However, after thermoplastic rubber synthesis,
It also includes those in which iodine is removed by reaction or substituted with other residues. The radiation used in the present invention is ionizing radiation and has sufficient energy to penetrate the thickness of the fluorine-containing thermoplastic rubber. For example, X-rays, gamma rays, electron beams, proton beams, deuteron beams, alpha rays, beta rays, etc. are used alone or in combination. Among these, electron beams and gamma rays are preferred. The irradiation dose is 0.1 to 50 Mrad, preferably 1 to 50 Mrad.
It is 20 Mrad. If the irradiation amount is less than the lower limit, a sufficient crosslinking effect cannot be obtained, while if it is more than the upper limit, there is a risk of deterioration of the rubber. Although the irradiation temperature is not limited, -20 to 100°C, for example 10 to 50°C, is effective. The irradiation atmosphere is arbitrary, but in vacuum, in air,
The reaction may be carried out in an inert gas such as nitrogen, argon or helium, or further in the presence of a monomer. Among these, vacuum or nitrogen atmosphere is preferred. The fluorine-containing thermoplastic rubber is molded and processed in a conventional manner, and then irradiated in a conventional manner. Further heat treatment after irradiation crosslinking improves mechanical properties. When radiation crosslinking is carried out as in the present invention, the transparency of the fluorine-containing thermoplastic rubber is not impaired and no coloration occurs. Furthermore, since no crosslinking agent is added, there is no leaching of chemicals from the molded product, which is very advantageous in the food industry, for example. moreover,
It has the effect of being sterilized by radiation. Next, examples and comparative examples will be shown to specifically explain the present invention. Examples 1 to 6 P-24O made from thermoplastic rubber shown in Table 1
A ring sample piece (made by melting it at 230℃ using an O-ring compression molding machine, pressurizing it for 10 minutes, and immediately cooling it with water under pressure to harden it) is irradiated with gamma rays at room temperature at 1, 3, or 10 Mrad. irradiated with a certain amount. The cross-linked sample pieces were then incubated at 100 °C for 24
time, compressed by 25%. The compression set is shown in Table 1. Similar tests were also conducted on uncrosslinked sample pieces. The results are shown in Table 1.
【表】【table】
【表】
実施例７〜８および比較例１〜２
第１表に示す含フツ素熱可塑性ゴムを230℃で
溶融させ、加圧10分後、直ちに加圧下に水冷して
硬化させた厚さ２mmのシートを常温でガンマ線に
より窒素雰囲気中で照射した。このシートから
JISK6301に準拠して24℃で４号ダンベルを打ち
抜き、各種常態物性を測定した。結果を第２表に
示す。[Table] Examples 7 to 8 and Comparative Examples 1 to 2 The fluorine-containing thermoplastic rubber shown in Table 1 was melted at 230°C, and after 10 minutes of pressure, was immediately cooled with water under pressure to harden it. A 2 mm sheet was irradiated with gamma rays at room temperature in a nitrogen atmosphere. from this sheet
In accordance with JISK6301, No. 4 dumbbells were punched out at 24°C and various physical properties were measured. The results are shown in Table 2.
Claims (1)
セグメントおよび少なくとも１種の非エラストマ
ー性ポリマー鎖セグメントから成り、そのうちの
少なくとも１つは含フツ素ポリマー鎖セグメント
である含フツ素熱可塑性ゴムを放射線照射により
架橋させた含フツ素熱可塑性ゴム成形品。 ２ 含フツ素熱可塑性ゴムが、エラストマー性ポ
リマー鎖セグメント40〜95重量部および非エラス
トマー性ポリマー鎖セグメント５〜60重量部から
成る特許請求の範囲第１項記載の成形品。[Claims] 1. A fluorinated thermoplastic rubber comprising at least one elastomeric polymer chain segment and at least one non-elastomeric polymer chain segment, at least one of which is a fluorinated polymer chain segment. Fluorine-containing thermoplastic rubber molded product crosslinked by radiation irradiation. 2. The molded article according to claim 1, wherein the fluorine-containing thermoplastic rubber comprises 40 to 95 parts by weight of elastomeric polymer chain segments and 5 to 60 parts by weight of non-elastomeric polymer chain segments.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16915282A JPH0236365B2 (en) | 1982-09-27 | 1982-09-27 | KAKYOGANFUTSUSONETSUKASOSEIGOMUSEIKEIHIN |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16915282A JPH0236365B2 (en) | 1982-09-27 | 1982-09-27 | KAKYOGANFUTSUSONETSUKASOSEIGOMUSEIKEIHIN |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5962635A JPS5962635A (en) | 1984-04-10 |
| JPH0236365B2 true JPH0236365B2 (en) | 1990-08-16 |
Family
ID=15881242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16915282A Expired - Lifetime JPH0236365B2 (en) | 1982-09-27 | 1982-09-27 | KAKYOGANFUTSUSONETSUKASOSEIGOMUSEIKEIHIN |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0236365B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003085309A1 (en) * | 2002-04-09 | 2003-10-16 | Mitsuboshi Corporation Limited | Multi-layer tube |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61266439A (en) * | 1985-05-21 | 1986-11-26 | Nippon Valqua Ind Ltd | Production of molding based on thermoplastic fluororubber elastomer |
| JPS63138952A (en) * | 1986-11-18 | 1988-06-10 | 日本バルカ−工業株式会社 | Sealable bag body |
| US4935467A (en) * | 1987-06-04 | 1990-06-19 | Raychem Corporation | Polymeric blends |
| JPH01289855A (en) * | 1988-05-17 | 1989-11-21 | Furukawa Electric Co Ltd:The | Chlorine water-resistant flexible packing |
| IT1292391B1 (en) * | 1997-06-20 | 1999-02-08 | Ausimont Spa | THERMOPLASTIC ELASTOMERS |
| JP2000191709A (en) | 1998-12-25 | 2000-07-11 | Nippon Mektron Ltd | Production of fluorine-containing copolymer, fluorine- containing copolymer crosslinkable composition comprising the fluorine-containing copolymer, and sealing material |
| CN105849163B (en) * | 2014-01-08 | 2018-12-11 | 大金工业株式会社 | Modified fluoride-containing copolymer and fluororesin molded product |
-
1982
- 1982-09-27 JP JP16915282A patent/JPH0236365B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003085309A1 (en) * | 2002-04-09 | 2003-10-16 | Mitsuboshi Corporation Limited | Multi-layer tube |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5962635A (en) | 1984-04-10 |
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