EP0274913A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Polyalcohol homopolymers
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1987-12-31
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Granted: —
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Expires: 2007-12-31
Abstract
Abstract A polyalcohol homopolymer having the formula: wherein n is about 3 to about 10.
Inventors
- 👤 Tze-Chiang Chung
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-04 14:15
CPC Classifications
C; C08; C08F; C08F8/00
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
14 words
A polyalcohol homopolymer having the formula: wherein n is about 3 to about 10.
Claim 2
Dependent Claim
14 words
A polyalcohol homopolymer having the formula: wherein n is about 3 to about 10.
Claim 3
Dependent Claim
27 words
A polymeric homopolymer according to claim 1, wherein said polyalcohol homopolymer has a partial crystalline molecule structure and a number average molecular weight of at least 10.000.
Claim 4
Dependent Claim
22 words
A polymeric homopolymer according to claim 1, wherein said polyalcohol homopolymer has high thermal stability with a major decomposition temperature above 450°C.
Claim 5
Dependent Claim
29 words
A polymeric film having a film thickness of at least 5 u.m, wherein said polymeric film comprises a polyalcohol homopolymer having the formula: wherein n is 3 to 10.
Claim 6
Dependent Claim
29 words
A polymeric film having a film thickness of at least 5 u.m, wherein said polymeric film comprises a polyalcohol homopolymer having the formula: wherein n is 3 to 10.
Claim 7
Dependent Claim
115 words
A process for the synthesis of a polyalcohol homopolymer which comprises the steps of: (a) dissolving a polyborane homopolymer in a solvent; to form a polymeric solution; (b) introducing an NaOH solution into said polymeric solution at about 25°C; (c) introducing a hydrogen peroxide solution into said polymeric solution at about 0°C to about 25°C; (d) heating said polymeric solution to at least about 50°C; (e) maintaining said polymeric solution at least about 50°C for at least about 2 hours to form said polymeric homopolymer; (f) cooling said polymeric solution to about room temperature; and (g) precipitating said polyalcohol homopolymer from said polymeric solution by the addition of an aliphatic hydrocarbon to said polymer solution.
Claim 8
Dependent Claim
115 words
A process for the synthesis of a polyalcohol homopolymer which comprises the steps of: (a) dissolving a polyborane homopolymer in a solvent; to form a polymeric solution; (b) introducing an NaOH solution into said polymeric solution at about 25°C; (c) introducing a hydrogen peroxide solution into said polymeric solution at about 0°C to about 25°C; (d) heating said polymeric solution to at least about 50°C; (e) maintaining said polymeric solution at least about 50°C for at least about 2 hours to form said polymeric homopolymer; (f) cooling said polymeric solution to about room temperature; and (g) precipitating said polyalcohol homopolymer from said polymeric solution by the addition of an aliphatic hydrocarbon to said polymer solution.
Claim 9
Dependent Claim
23 words
A process according to claim 5, for synthesis of a polyalcohol homopolymer of the formula: wherein n is about 3 to about 10.
References Cited (Backward Citations)
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