Impact resistant blends of thermoplastic polyesters and modified block copolymers

Patent · Tue Jan 10 04:00:00 EST 1989

OSTI ID:6422182

Gergen, W P; Lutz, R G

This patent describes an impact resistant polymeric composition comprising: (a) from 50 to 97 percent by weight of a thermoplastic polyester; and (b) from 3 to 50 percent by weight of a functionalized selectively hydrogenated block copolymer of the formula B/sub n/(AB)/sub o/A/sub p/ where n=0 or 1, oless than or equal to1, p=0 or 1, each A is predominantly a polymerized vinyl aromatic hydrocarbon block and, each B prior to hydrogenation is predominantly a polymerized conjugated diene hydrocarbon block, to which has been grafted at least one graftable functional molecule selected from the group consisting of an electrophilic graftable molecule containing a functional group and an electrophile, wherein substantially all of the electrophilic graftable molecules or electrophiles are grafted to the block copolymer in the vinyl aromatic hydrocarbon block.

• Assignee: Shell Oil Co., Houston, TX
• Patent Number(s): US 4797447
• OSTI ID: 6422182
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360603* -- Materials-- Properties
ALKYL RADICALS
AROMATICS
CHEMICAL COMPOSITION
CHEMICAL PREPARATION
CHEMICAL REACTIONS
COPOLYMERS
ESTERS
HYDROCARBONS
IMPACT STRENGTH
MATERIALS
MECHANICAL PROPERTIES
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PETROCHEMICALS
PETROLEUM PRODUCTS
PLASTICS
POLYESTERS
POLYMERIZATION
POLYMERS
QUANTITY RATIO
RADICALS
SYNTHESIS
SYNTHETIC MATERIALS
THERMOPLASTICS
VINYL RADICALS