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US 8,487,137 B2Granted
Photochemical crosslinkers for polymer coatings and substrate tie-layer
AssigneeInnovative Surface Technologies, Inc.
InventorsPatrick E. Guire, Kristin Taton, Jie Wen
Life of this patent
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Abstract
The invention describes novel crosslinking compounds that include photoactivatable moieties. Several families of compounds are disclosed that can include one or more hydrophilic moieties that help to solubilize the compounds in aqueous environments.
Claims17
A compound of formula:
- L-((T-C(R1)(XP1)CHR2GR3C(═O)R4))m wherein L is (—OCH2CH2O—)qq, (—OCH2CH2CH2O—)qq, (—O—(CH2)ii—O—)qq, (—OCH2—CH(OP2)—CH2—O—)qq or (—O(CH2)ii—O—(CH2)jj—O—)qq;
- T is (—CH2—)x;
- R1 is a hydrogen atom, an alkyl, alkyloxyalkyl, aryl, aryloxyalkyl or aryloxyaryl group;
- X is O, S, or NR8R9;
- P1 is a hydrogen atom or a protecting group, with the proviso that P1 is absent when X is NR8R9;
- P2 is a hydrogen atom or a protecting group;
- R2 is a hydrogen atom, an alkyl, alkyloxyalkyl, aryl, aryloxyalkyl or aryloxyaryl group;
- G is 0, S, SO, SO2, NR10, (CH2)t—O— or C═O;
- R3 and R4 are aryl,
- R10 is a hydrogen atom or an alkyl, aryl or arylalkyl group;
- R8 and R9 are each independently a hydrogen atom, an alkyl, aryl, or arylalkyl group;
- R is a hydrogen atom, an alkyl or aryl group;
- ii is an integer from 1 to about 500;
- jj is an integer from 1 to about 500;
- q is an integer from 1 to about 7;
- r is an integer from 0 to about 3;
- s is an integer from 0 to about 3;
- m is an integer from 2 to about 10;
- t is an integer from 1 to about 10;
- x is an integer from 1 to about 500;
- and
- qq is an integer from 1 to about 500.
19 more elements
A compound of formula:
- L-(D-CH2CH(OH)CH2GR3C(═O)R4)m
- wherein L is a C2 to a C6 alkyl linking group;
- D is O;
- G is O;
- R3 and R4 are aryl;
- and
- m is an integer from 2 to about 10.
4 more elements
A method to modify a substrate comprising the step of applying a compound comprising a formula:
- L-(D-CH2CH(OH)CH2GR3C(═O)R4),
- wherein L is a C2 to a C6 alkyl linking group;
- D is O;
- G is O;
- R3 and R4 are aryl;
- and
- m is an integer from 2 to about 10, to the surface of a substrate, such that the substrate surface is modified.
4 more elements
Dependencies are inferred from the claim text.