JPS5681339A - Production of heat-resistant polyvanadiosiloxane - Google Patents

Production of heat-resistant polyvanadiosiloxane

Info

Publication number
JPS5681339A
JPS5681339A JP15688679A JP15688679A JPS5681339A JP S5681339 A JPS5681339 A JP S5681339A JP 15688679 A JP15688679 A JP 15688679A JP 15688679 A JP15688679 A JP 15688679A JP S5681339 A JPS5681339 A JP S5681339A
Authority
JP
Japan
Prior art keywords
atoms
polyvanadiosiloxane
compound
complexing agent
resistant
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.)
Pending
Application number
JP15688679A
Other languages
Japanese (ja)
Inventor
Seishi Yajima
Kiyoto Okamura
Noriyoshi Nikudo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to JP15688679A priority Critical patent/JPS5681339A/en
Priority to US06/210,639 priority patent/US4334051A/en
Priority to DE19803045794 priority patent/DE3045794A1/en
Publication of JPS5681339A publication Critical patent/JPS5681339A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To produce a polyvanadiosiloxane having excellent heat resistance, flame retardancy and cold resistance, by reacting with heating, a specified oily polysiloxane, a V compound and a complexing agent.
CONSTITUTION: (A) An oily polysiloxane, average polymerization degree 5W5,000, viscosity ≤1×106 cst, having a main chain structure consisting of units represented by the formula, wherein R1 and R2 are same or different and are each a lower alkyl, phenyl, a fluoroalkyl, nitrile or vinyl, is mixed with (B) a V compound such as VCl4 or Na(VOCl4) and (C) a complexing agent for said component B, such as tetrahydrofuran or pyrone. The resulting mixture is heated to below 450°C, pref., 200W350°C to bond part of the Si atoms to V atoms through O atoms.
USE: Seals, gaskets, diaphragms, etc.
COPYRIGHT: (C)1981,JPO&Japio
JP15688679A 1979-12-05 1979-12-05 Production of heat-resistant polyvanadiosiloxane Pending JPS5681339A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP15688679A JPS5681339A (en) 1979-12-05 1979-12-05 Production of heat-resistant polyvanadiosiloxane
US06/210,639 US4334051A (en) 1979-12-05 1980-11-26 Heat resistant polyvanadiosiloxanes and a process for their production
DE19803045794 DE3045794A1 (en) 1979-12-05 1980-12-04 POLYVANADIOSILOXANE AND METHOD FOR THE PRODUCTION THEREOF

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15688679A JPS5681339A (en) 1979-12-05 1979-12-05 Production of heat-resistant polyvanadiosiloxane

Publications (1)

Publication Number Publication Date
JPS5681339A true JPS5681339A (en) 1981-07-03

Family

ID=15637534

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15688679A Pending JPS5681339A (en) 1979-12-05 1979-12-05 Production of heat-resistant polyvanadiosiloxane

Country Status (1)

Country Link
JP (1) JPS5681339A (en)

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