Title:
PHOSPHORUS-CONTAINING SILSESQUIOXANE DERIVATIVES AS FLAME RETARDANTS
Document Type and Number:
WIPO Patent Application WO/2010/062709
Kind Code:
A3
Abstract:
A phosphorus-containing silsesquioxane is represented by the formula [R13SiO1/2]m[R2SiO3/2]n[R3SiO3/2]p[(R4O)2PO(CH2)xSiO3/2]q wherein each of R1, R2, R3, and R4 independently represents a hydrocarbyl group; x represents an integer of from 1 to 8; m is a positive number less than 1.5; n and q are positive numbers greater than 0 and less than 1; and p is a number greater than or equal to 0 and less than 1. Further, (n + p)/q is in a range of from 0.5 to 99, and (n + p + q) = 1. Curable and cured compositions comprising the phosphorus-containing silsesquioxane are disclosed.
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Inventors:
LIM LISA S (US)
PYUN EUMI (US)
RULE JOSEPH D (US)
PYUN EUMI (US)
RULE JOSEPH D (US)
Application Number:
PCT/US2009/062912
Publication Date:
May 31, 2012
Filing Date:
November 02, 2009
Export Citation:
Assignee:
3M INNOVATIVE PROPERTIES CO (US)
International Classes:
C07F9/40; C08G59/30
Domestic Patent References:
| WO2007093588A1 | 2007-08-23 |
Other References:
DATABASE CA [online] CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US; 2007, LIU, ANHUA ET AL LIU, ANHUA ET AL: "Preparation and application of bicyclic cage substituted silsesquioxane Preparation and application of bicyclic cage substituted silsesquioxane", XP002560455, retrieved from STN Database accession no. 2007:850912
Attorney, Agent or Firm:
WRIGHT, Bradford, B. et al. (Office of Intellectual Property CounselPost Office Box 3342, Saint Paul Minnesota, US)
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