EP1249338A2
Expired / Lapsed
EP
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Outer covering for solar battery
Assignee: Sumitomo Chemical Co Ltd
•
Filing: 2002-04-09
•
Granted: —
•
Expires: 2022-04-09
Abstract
Abstract An outer covering (6), comprises a resin laminate with a liquid crystal polymer layer (B) showing optical anisotropy in molten state.
Inventors
- 👤 Takanari Yamaguchi
- 👤 Hiroaki Kumada
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-25 11:50
CPC Classifications
C; C08; C08L; C08L67/00; B; B32; B32B; B32B27/00; B32B27/06; B32B27/08; B32B27/36; H; H10; H10F; H10F19/00; H10F19/80; B32B2367/00; B32B2457/00; B32B2457/10; C08L33/00; C08L33/04; C08L33/06; C08L33/062; Y; Y02; Y02E; Y02E10/00; Y02E10/50
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
22 words
An outer covering for solar battery, comprising a resin
laminate having a liquid crystal polymer layer showing optical
anisotropy in molten state.
Claim 2
Dependent Claim
27 words
The outer covering for solar battery according to Claim
1 wherein the water vapor permeability of the resin laminate
is 1.0 g/m 2 ·24 hr or less.
Claim 3
Dependent Claim
25 words
The outer covering for solar battery according to Claim
1 or 2 wherein the power generation element in a solar battery
cell is amorphous silicon.
Claim 4
Dependent Claim
25 words
The outer covering for solar battery according to Claim
3 wherein the resin laminate is placed outside of a substrate
in a solar battery cell.
Claim 5
Dependent Claim
21 words
The outer covering for solar battery according to Claim
1 wherein the resin laminate further contains a layer made of
EVA.
Claim 6
Dependent Claim
35 words
The outer covering for solar battery according to Claim
5 wherein the layer made of EVA is placed at the substrate side
in a solar battery than a layer made of a liquid crystal polymer.
Claim 7
Dependent Claim
21 words
The outer covering for solar battery according to Claim
1 wherein the resin laminate further contains a layer made
of PVDF.
Claim 8
Dependent Claim
26 words
The outer covering for solar battery according to Claim
1 wherein the liquid crystal polymer showing optical anisotropy
in molten state is a liquid crystal polyester.
Claim 9
Dependent Claim
56 words
The outer covering for solar battery according to Claim
1 wherein the liquid crystal polymer showing optical anisotropy
in molten state is a liquid crystal polyester resin composition
comprising a liquid crystal polyester (A), as a continuous phase
and a copolymer (B) containing a functional group reactive with
the liquid crystal polyester, as a dispersed phase.
Claim 10
Dependent Claim
54 words
The outer covering for solar battery according to
Claim 9 wherein the liquid crystal polyester resin composition
is a composition obtained by melt-kneading 56 to 99.9% by weight
of the liquid crystal polyester (A) and 44 to 0.1% by weight
of the copolymer (B) containing a functional group reactive
with the liquid crystal polyester.
Claim 11
Dependent Claim
29 words
The outer covering for solar battery according to
Claim 9 wherein the functional group reactive with the liquid
crystal polyester is an oxazolyl group, epoxy group or amino
group.
Claim 12
Dependent Claim
44 words
The outer covering for solar battery according to
Claim 9 wherein the copolymer (B) containing a functional group
reactive with the liquid crystal polyester is a copolymer
containing 0.1 to 30% by weight of an unsaturated glycidyl
carboxylate unit and/or unsaturated glycidyl ether unit.
Claim 13
Dependent Claim
37 words
The outer covering for solar battery according to
Claim 9 wherein the copolymer (B) containing a functional group
reactive with the liquid crystal polyester is a copolymer having
a heat of fusion of less than 3 J/g.
Claim 14
Dependent Claim
56 words
The outer covering for solar battery according to
Claim 9 wherein the copolymer (B) containing a functional group
reactive with the liquid crystal polyester has a Mooney viscosity
in the range from 3 to 70: the Mooney viscosity herein referred to meaning a value
measured by using a large rotor at 100°C according to JIS K6300.
Claim 15
Dependent Claim
30 words
The outer covering for solar battery according to
Claim 9 wherein the copolymer (B) containing a functional group
reactive with the liquid crystal polyester is rubber having
an epoxy group.
Claim 16
Dependent Claim
28 words
The outer covering for solar battery according to
Claim 15 wherein the rubber having an epoxy group is made of
(meth)acrylate-ethylene-(unsaturated glycidyl carboxylate
and/or unsaturated glycidyl ether)copolymer rubber.
Claim 17
Dependent Claim
37 words
The outer covering for solar battery according to
Claim 16 wherein the (meth)acrylate includes at least one
selected from methyl acrylate, methyl methacrylate, n-butyl
acrylate, n-butyl methacrylate, tert-butyl acrylate,
tert-butyl methacrylate, 2-ethylhexyl acrylate and 2-ethyl
hexyl methacrylate.
Claim 18
Dependent Claim
32 words
The outer covering for solar battery according to
Claim 9 wherein the copolymer (B) containing a functional group
reactive with the liquid crystal polyester is a thermoplastic
resin having an epoxy group.
Claim 19
Dependent Claim
65 words
The outer covering for solar battery according to
Claim 18 wherein the thermoplastic resin having an epoxy group
is an epoxy group-containing ethylene copolymer composed of
50 to 99% by weight of an ethylene unit, 0.1 to 30% by weight
of an unsaturated glycidyl carboxylate unit and/or an
unsaturated glycidyl ether unit and 0 to 50% by weight of an
ethylenically unsaturated ester compound unit.
Claim 20
Dependent Claim
35 words
The outer covering for solar battery according to
Claim 9 wherein the liquid crystal polyester (A) contains the
following repeating structural unit in an amount of at least
30 mol% based on the total amount.
Claim 21
Dependent Claim
30 words
The outer covering for solar battery according to
Claim 9 wherein the liquid crystal polyester (A) is obtained
by reacting an aromatic dicarboxylic acid, aromatic diol and
aromatic hydroxycarboxylic acid.
Claim 22
Dependent Claim
29 words
The outer covering for solar battery according to
Claim 9 wherein the liquid crystal polyester (A) is obtained
by reacting a combination of different kinds of aromatic
hydroxycarboxylic acids.
References Cited (Backward Citations)
No citation records indexed.
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