Block copolymers for gel compositions with improved efficiency
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United States of America Patent
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Sep 19, 2023
Grant Date -
Oct 31, 2019
app pub date -
Apr 10, 2019
filing date -
Apr 30, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
An oil gel compositions comprising (i) between 10 to 20 wt. % of a selectively hydrogenated styrenic block copolymer, (ii) an oil, and (iii) optional additives is described herein. In embodiments, the oil gel composition is characterized as having, a viscosity at 25° C. and 10/s between 100 (See claim 2) and 200 Pa-s, a cone penetration at 25° C. from 200 dmm to 600 dmm, a drop point from 100 to 250° C., and oil separation at 100° C. from 0% to 2%. In embodiments, the oil gel composition has a viscosity ratio of 25° C./100° C. from 4 to 20 at 10/s shear rate. The oil gel composition can be used in cables for post tensioning applications.
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International Classification(s)
- C08F:MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONL....
- B29D:PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FRO....
- C09D:COATING COMPOSITIONS, e.g. PAINTS, VARNISHES, LACQ....
- B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....
- B29K:INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, ....
- C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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