JP2002121346A5 - - Google Patents
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- JP2002121346A5 JP2002121346A5 JP2000314593A JP2000314593A JP2002121346A5 JP 2002121346 A5 JP2002121346 A5 JP 2002121346A5 JP 2000314593 A JP2000314593 A JP 2000314593A JP 2000314593 A JP2000314593 A JP 2000314593A JP 2002121346 A5 JP2002121346 A5 JP 2002121346A5
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- JP
- Japan
- Prior art keywords
- fluorine
- molecular weight
- containing elastomer
- cfo
- weight
- 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.)
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Description
【０００７】
含フッ素エラストマー中に架橋点を形成させるのに用いられる含臭素および/またはヨウ素化合物あるいは含ニトリル化合物等としては、例えば次のような飽和または不飽和の化合物が挙げられる。
CF2=CFBr
CF2=CFI
CF2=CHBr
CF2=CHI
CH 2=CHCF2CF2Br
CH 2=CHCF2CF2I
CF2=CFOCF2CF2Br
CF2=CFOCF2CF2I
CH2=CHBr
CH2=CHI
Br(CF2)4Br
I(CF2)4I
Br(CH2)2(CF2)4CH2CH2Br
I(CH2)2(CF2)4CH2CH2I
ICF2CF2Br
CF2=CFO(CF2)nOCF(CF3)CN （n:1〜10）
CF2=CFO(CF2)nCN （n:1〜10）
CF2=CFO[CF2CF(CF3)O]m(CF2)nCN （m:1〜10、n:1〜10）[0007]
Examples of the bromine-containing and / or iodine-containing compound or nitrile-containing compound used to form a crosslinking point in the fluorine-containing elastomer include, for example, the following saturated or unsaturated compounds.
CF 2 = CFBr
CF 2 = CFI
CF 2 = CHBr
CF 2 = CHI
C H 2 = CHCF 2 CF 2 Br
C H 2 = CHCF 2 CF 2 I
CF 2 = CFOCF 2 CF 2 Br
CF 2 = CFOCF 2 CF 2 I
CH 2 = CHBr
CH 2 = CHI
Br (CF 2 ) 4 Br
I (CF 2 ) 4 I
Br (CH 2 ) 2 (CF 2 ) 4 CH 2 CH 2 Br
I (CH 2 ) 2 (CF 2 ) 4 CH 2 CH 2 I
ICF 2 CF 2 Br
CF 2 = CFO (CF 2 ) n OCF (CF 3 ) CN (n: 1 to 10)
CF 2 = CFO (CF 2 ) n CN (n: 1 to 10)
CF 2 = CFO [CF 2 CF (CF 3 ) O] m (CF 2 ) n CN (m: 1 to 10, n: 1 to 10)
【０００８】
かかるパーオキサイド架橋可能な含フッ素エラストマーには、それの100重量部当り約0.5〜20重量部、好ましくは約1〜10重量部のトリアリルイソシアヌレートプレポリマーが添加される。このプレポリマーとしては、分子量が約500〜100000、好ましくは約5000〜60000のものが用いられ、実際にはこのような分子量範囲の市販品がそのまま用いられる。添加割合がこれよりも少ないと、本発明の目的とする外観不良の低減を図ることができず、一方これ以上の割合で用いられると、成形品の物性が悪化するようになる。[0008]
Such peroxide-crosslinkable fluorine-containing elastomer is added with about 0.5 to 20 parts by weight, preferably about 1 to 10 parts by weight of triallyl isocyanurate prepolymer per 100 parts by weight of the peroxide-crosslinkable fluorine-containing elastomer. As this prepolymer, one having a molecular weight of about 500 to 100,000, preferably about 5,000 to 60000 is used, and in practice, a commercial product having such a molecular weight range is used as it is. When the addition ratio is less than this, it is impossible to achieve the appearance of defects reduced, which is an object of the present invention, whereas above ratio, the physical properties of the formed molded article comes to deteriorate.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000314593A JP4345220B2 (en) | 2000-10-16 | 2000-10-16 | Fluorine-containing elastomer composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000314593A JP4345220B2 (en) | 2000-10-16 | 2000-10-16 | Fluorine-containing elastomer composition |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2002121346A JP2002121346A (en) | 2002-04-23 |
| JP2002121346A5 true JP2002121346A5 (en) | 2005-03-03 |
| JP4345220B2 JP4345220B2 (en) | 2009-10-14 |
Family
ID=18793818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000314593A Expired - Fee Related JP4345220B2 (en) | 2000-10-16 | 2000-10-16 | Fluorine-containing elastomer composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4345220B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4509516B2 (en) * | 2002-12-27 | 2010-07-21 | Ｎｏｋ株式会社 | Composition for fluororubber-based sealing material and fluororubber-based sealing material |
| CN104629159B (en) * | 2015-02-05 | 2017-03-29 | 中广核三角洲（江苏）塑化有限公司 | Cross-linked ethylene TFE copolymer Insulation Material |
-
2000
- 2000-10-16 JP JP2000314593A patent/JP4345220B2/en not_active Expired - Fee Related
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