EP1391484A1
Expired / Lapsed
EP
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Curable composition
Assignee: Kaneka Corp
•
Filing: 2002-04-19
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Granted: —
•
Expires: 2022-04-19
Abstract
Abstract The object of the present invention is to significantly improve weather resistance over a long period of time of the cured product of the invention, while maintaining physical properties, such as tensile properties and rubber-like elasticity, at levels required of sealing compositions for use in general buildings. The curable composition of the invention is a curable composition which comprises a vinyl polymer having a reactive silicon containing group (a), such as a (meth)acrylic polymer having a reactive silicon containing group, a polyoxyalkylene polymer having a reactive silicon containing group (b), such as a polyoxypropylene having a reactive silicon containing group, and a plasticizer having an acrylic component (c) , such as an acrylic polymer, and is reacted and crosslinked in the presence of moisture to provide a rubbery cured product.
Inventors
- 👤 Yuka Kanamori
- 👤 Junji Takase
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-08 12:02
CPC Classifications
C; C09; C09K; C09K3/00; C09K3/10; C09K3/1006; C09K3/1018; C08; C08G; C08G65/00; C08G65/02; C08G65/32; C08G65/329; C08G65/336; C08L; C08L71/00; C08L71/02; C09K2200/00; C09K2200/06; C09K2200/0615; C09K2200/0625
Claims Analysis
Total Claims: 27
Claim 1
Independent Claim
34 words
A curable composition which comprises a vinyl polymer having a reactive silicon
containing group (a), a polyoxyalkylene polymer having a
reactive silicon containing group (b) , and a plasticizer having
an acrylic component (c).
Claim 2
Dependent Claim
22 words
The curable composition according to Claim 1, wherein the vinyl polymer having a reactive silicon
containing group (a) is a (meth)acrylic polymer.
Claim 3
Dependent Claim
36 words
The curable composition according to Claim 1 or 2, wherein the polyoxyalkylene polymer (b) is at least one
member selected from the group consisting of poly(ethylene
oxide), poly(propylene oxide), polypropylene oxide-ethylene
oxide copolymer, and poly(butylene oxide).
Claim 4
Dependent Claim
34 words
The curable composition according to any one of Claims
1 to 3, wherein the main chain skeleton of the polyoxyalkylene
polymer (b) is a polymer synthesized by using a double metal
cyanide complex catalyst.
Claim 5
Dependent Claim
27 words
The curable composition according to any one of Claims
1 to 4, wherein the number average molecular weight of the
polyoxyalkylene polymer (b) is 500 to 50,000.
Claim 6
Dependent Claim
22 words
The curable composition according to Claim 5, wherein the number average molecular weight of the
polyoxyalkylene polymer (b) is 1,000 to 30,000.
Claim 7
Dependent Claim
28 words
The curable composition according to any one of Claims
1 to 4, wherein the number average molecular weight of the
polyoxyalkylene polymer (b) is not less than 12,000.
Claim 8
Dependent Claim
22 words
The curable composition according to Claim 7, wherein the number average molecular weight of
polyoxyalkylene polymer (b) is not less than 15,000.
Claim 9
Dependent Claim
22 words
The curable composition according to Claim 8, wherein the number average molecular weight of
polyoxyalkylene polymer (b) is not less than 16,000.
Claim 10
Dependent Claim
21 words
The curable composition according to any one of
Claims 3 to 9, wherein the polyoxyalkylene polymer (b) is a
polyoxypropylene polymer.
Claim 11
Dependent Claim
22 words
The curable composition according to Claim 10, wherein the main chain skeleton of the polyoxyalkylene
polymer (b) is a substantially straight-chain polymer.
Claim 12
Dependent Claim
36 words
The curable composition according to any one of
Claims 1 to 11, wherein the reactive silicon containing group of the
polyoxyalkylene polymer (b) is a group comprising one silicon
atom and two hydrolyzable groups attached thereto.
Claim 13
Dependent Claim
21 words
The curable composition according to Claim 12, wherein the reactive silicon containing group of the
polyoxyalkylene polymer (b) is dimethoxymethylsilyl group.
Claim 14
Dependent Claim
34 words
The curable composition according to any one of
Claims 1 to 13, wherein the number average molecular weight of the vinyl
polymer having a reactive silicon containing group (a) is 5, 000
to 30,000.
Claim 15
Dependent Claim
42 words
The curable composition according to any one of
Claims 1 to 14, wherein the weight ratio of the vinyl polymer having a
reactive silicon containing group (a) to the polyoxyalkylene
polymer having a reactive silicon containing group (b) is 25/75
to 45/55.
Claim 16
Dependent Claim
30 words
The curable composition according to any one of
Claims 1 to 15, wherein the number average molecular weight of the
plasticizer having an acrylic component (c) is 500 to 15,000.
Claim 17
Dependent Claim
26 words
The curable composition according to Claim 16, wherein the number average molecular weight of the
plasticizer having an acrylic component (c) is 1, 000 to 8,000.
Claim 18
Dependent Claim
61 words
The curable composition according to any one of
Claims 1 to 17, wherein the amount of use of the plasticizer having an
acrylic component (c) is 5 to 150 weight parts relative to a
combined total of 100 weight parts of the vinyl polymer having
a reactive silicon containing group (a) and polyoxyalkylene
polymer having a reactive silicon containing group (b).
Claim 19
Dependent Claim
56 words
The curable composition according to Claim 18, wherein the amount of use of the plasticizer having an
acrylic component (c) is 10 to 120 weight parts relative to a
combined total of 100 weight parts of the vinyl polymer having
a reactive silicon containing group (a) and polyoxyalkylene
polymer having a reactive silicon containing group (b).
Claim 20
Dependent Claim
56 words
The curable composition according to Claim 19, wherein the amount of use of the plasticizer having an
acrylic component (c) is 20 to 100 weight parts relative to a
combined total of 100 weight parts of the vinyl polymer having
a reactive silicon containing group (a) and polyoxyalkylene
polymer having a reactive silicon containing group (b).
Claim 21
Dependent Claim
27 words
The curable composition according to any one of
Claims 1 to 20, which further comprises another plasticizer in addition
to the plasticizer having an acrylic component (c).
Claim 22
Dependent Claim
28 words
The curable composition according to Claim 21, wherein the weight ratio of the plasticizer having an
acrylic component (c) to said other plasticizer is not less than
70/30.
Claim 23
Dependent Claim
22 words
The curable composition according to any one of
Claims 1 to 22, which is for use as a siding board joint sealant.
Claim 24
Dependent Claim
16 words
The curable composition according to Claim 23, wherein the siding board is a ceramic siding board.
Claim 25
Dependent Claim
27 words
The curable composition according to any one of
Claims 1 to 24, which further comprises a scaly or particulate substance
not smaller than 0.1 mm in diameter.
Claim 26
Dependent Claim
17 words
The curable composition according to any one of
Claims 1 to 24, which further comprises a balloon.
Claim 27
Dependent Claim
19 words
The curable composition according to Claim 26, wherein the diameter of the balloon is not less than 0.1
mm.
References Cited (Backward Citations)
No citation records indexed.
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