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Ionic conductor rubber composition and ionic conductor roller using the composition

A rubber composition, ion-conductive technology, applied in the field of ion-conductive rollers

Active Publication Date: 2009-03-25
SHIN ETSU CHEM IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Various methods have been proposed to solve this problem, including addition of phosphoric acid ester (refer to Patent Document 3), and use of potassium titanate whiskers (refer to Patent Document 4), but none of these methods have achieved satisfactory results

Method used

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  • Ionic conductor rubber composition and ionic conductor roller using the composition
  • Ionic conductor rubber composition and ionic conductor roller using the composition
  • Ionic conductor rubber composition and ionic conductor roller using the composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0106] By (A) 11 mass parts 1,3,5,7-tetramethyl-1,3,5,7-tetravinyl cyclotetrasiloxane, (B) 100 mass parts compound G-1 (so that the composition The number of moles of the Si—H group in the part (B) is about 1.0 moles relative to the vinyl group of each mole of the component (A), (C) 2 parts by mass of chloroplatinic acid-vinylsiloxane complex (platinum metal content: 0.5% by mass), 0.3 parts by mass of 1-ethynyl cyclohexanol, (D) 2 parts by mass of lithium bis(trifluoromethanesulfonyl)imide (equivalent to components (A) and (B) 1.8% by mass of the total) and (E) 5 parts by mass of pentaerythritol tetrakis [3-(3,5-di-tert-butyl-4-hydroxyl phenyl) propionate] (equivalent to components (A) and (B) 4.5% by mass of the total) were uniformly mixed together to prepare Composition 1. Composition 1 obtained above was cured by heating at 120° C. for 10 minutes to produce cured product 1 with a hardness of 40. The hardness was measured by preparing a 6 mm-thick sheet-shaped cured produ...

Embodiment 2

[0108] In addition to using (D) 2 mass parts lithium bis(trifluoromethanesulfonyl)imide in Example 1 with 10 mass parts ethoxyethylmethylpyrrolidinium bis(trifluoromethanesulfonyl)imide (equivalent to Composition 2 was prepared in the same manner as in Example 1 except that 9.0% by mass of the sum of components (A) and (B)) was replaced. The above-mentioned Composition 2 was cured by heating at 120° C. for 10 minutes to produce a cured product 2 with a hardness of 40.

Embodiment 3

[0110] By adding 100 parts by mass of (A) to 6.7 mol% CH 2 =CH(CH 3 ) 2 SiO 1 / 2 Unit, 63.3 mol% (CH 3 ) 2 SiO units and 30 mol% (C 6 h 5 ) 2 The viscosity of SiO unit is the organopolysiloxane of 0.7Pas, (B) 43 mass parts compound G-1 (so that the molar number of component (B) Si-H group is relative to the ethylene of each mole component (A) base is about 1.0 mol), 0.25 parts by mass of 1-ethynyl cyclohexanol, (C) 2 parts by mass of chloroplatinic acid-vinylsiloxane complex (platinum metal content: 0.5 mass%), (D)2 Parts by mass of lithium bis(trifluoromethanesulfonyl)imide (equivalent to 1.4% by mass of the sum of components (A) and (B)) and (E) 1 mass part of octadecyl alcohol-3-(3,5-di Tert-butyl-4-hydroxyphenyl)propionate (corresponding to 0.7% by mass of the sum of components (A) and (B)) was uniformly mixed together to prepare Composition 3. The above composition 3 was cured by heating at 120° C. for 10 minutes to produce a cured product 3 with a hardness of 17....

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Abstract

The ionically conductive rubber composition comprises (A) an organopolysiloxane having in one molecule at least two alkenyl groups each bound to a silicon atom, (B) an organohydrogenpolysiloxane having in one molecule at least two hydrogen atoms each bound to a silicon atom and a polyether group via an alkylene linkage to a silicon atom, (C) a hydrosilylation catalyst, (D) an ionically conductive compound and (E) a phenolic antioxidant. The ionically conductive rubber roll comprises a core metal and an ionically conductive rubber layer consisting of the cured product of the above composition covering the circumference of the core metal.

Description

technical field [0001] The present invention relates to an ion-conductive rubber composition used for a roller of an electrophotographic image forming device or the like and a similar product material, and an ion-conductive roller using the composition. Background technique [0002] (Refer to Patent Document 1) has disclosed a hydrosilylation reaction curable composition comprising a polyether having an alkenyl group at a terminal of a molecular chain, an organohydrogenpolysiloxane, and a platinum-based catalyst. In addition (refer to Patent Document 2) there has also been disclosed a method of producing an ion-conductive type roller in which a composition prepared by adding a compound that imparts conductivity to an addition-curable rubber composition is cured, thereby providing An ion-conductive rubber layer formed around the outside of a roller shaft, wherein the composition contains polyoxyalkylene as a main component, and is cured by a hydrosilylation reaction. [0003...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08K3/18C08L83/14
Inventor 池野正行首藤重挥
Owner SHIN ETSU CHEM IND CO LTD
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