Connection structure for solar power generation module

Patent metadata

Field	Value
Publication number	US-9231335-B2
Application number	US-201213983944-A
Country	US
Kind code	B2
Filing date	Feb 13, 2012
Priority date	Feb 14, 2011
Publication date	Jan 5, 2016
Grant date	Jan 5, 2016

Abstract

A main object of the present invention is to provide a connection structure for a solar power generation module that has much better impact resistance at low temperature and flame retardancy even when made thinner and more compact. A connection structure for a solar power generation module according to the present invention is a connection structure for a solar power generation module, which links a solar power generation module with a cable for connecting to the solar power generation module, and includes a specific thermoplastic resin composition.

First claim

The invention claimed is:

1. A connection structure for a solar power generation module, which links a solar power generation module with a cable for connecting to the solar power generation module, wherein
the connection structure comprises a thermoplastic resin composition,
the thermoplastic resin composition comprises (A) a polyphenylene ether-based resin, (B) a styrene-based hydrogenated block copolymer, and (C) a phosphate-based flame retardant,
in the thermoplastic resin composition, based on a total of 100 parts by mass of (A) and (B), a content of (A) is 70 to 85 parts by mass, a content of (B) is 15 to 30 parts by mass, and a content of (C) is 5 to 30 parts by mass, and
the thermoplastic resin composition has a Charpy impact strength at −40° C. of more than 15 kJ/m 2 , and a Charpy impact strength at 23° C. after the thermoplastic resin composition has been left for 500 hours under a 120° C. environment of 20 kJ/m 2 or more,
wherein the thermoplastic resin composition is obtained by melt-kneading the raw material components using an extruder, and an oxygen concentration at a first raw material supply port provided upstream of the extruder is 10 volume% or less.

2. The connection structure for the solar power generation module according to claim 1 , wherein (C) is a phosphate-based compound represented by the following formula (I) or (II),

wherein in formulae (I) and (II),
Q1, Q2, Q3, and Q4 are a substituent respectively and each independently represents an alkyl group having 1 to 6 carbon atoms,
R1 and R2 are a substituent respectively and represent a methyl group,
R3 and R4 each independently represents a hydrogen atom or a methyl group,
n denotes an integer of 1 or more,
n1 and n2 each independently denotes an integer from 0 to 2, and
m1, m2, m3, and m4 each independently denotes an integer from 0 to 3.

3. The connection structure for the solar power generation module according to claim 1 , wherein (B) has a number average molecular weight of 150,000 to 500,000, and is dispersed in the thermoplastic resin composition as a particle, and has a weight average particle size of 0.3 to 1 μm.

4. The connection structure for the solar power generation module according to claim 1 , wherein in the thermoplastic resin composition, based on a total of 100 parts by mass of (A) and (B), the content of (A) is 75 to 85 parts by mass and the content of (B) is 15 to 25 parts by mass.

5. The connection structure for the solar power generation module according to claim 1 , wherein in the thermoplastic resin composition, based on a total of 100 parts by mass of (A) and (B), the content of (C) is 15 to 25 parts by mass.

6. The connection structure for the solar power generation module according to claim 1 , wherein a UL-94 standard flame retardancy level at a thickness of 0.75 to 3.0 mm of the thermoplastic resin composition is rank V-1 or higher.

7. The connection structure for the solar power generation module according to claim 1 , wherein a UL-94 standard flame retardancy level at a thickness of 0.75 to 3.0 mm of the thermoplastic resin composition is rank V-0.

8. The connection structure for the solar power generation module according to claim 1 , wherein the thermoplastic resin composition has a Charpy impact strength retention rate at 23° C., after being left for 500 hours under a 120° C. environment, of 50% or more based on the Charpy impact strength at 23° C. of the thermoplastic resin composition before being left.

9. The connection structure for the solar power generation module according to claim 1 , wherein the thermoplastic resin composition has a Charpy impact strength retention rate at 23° C., after being left for 2,000 hours under a 85° C., 85% relative humidity environment, of 70% or more based on the impact strength at 23° C., of the thermoplastic resin composition before being left.

10. The connection structure for the solar power generation module according to claim 1 , wherein the thermoplastic resin composition has a comparative tracking index (CTI) based on UL-746A (ASTM D3638) at a thickness of 3.0 mm of 2 or less.

11. The connection structure for the solar power generation module according to claim 1 , wherein the thermoplastic resin composition has a comparative tracking index (CTI) based on UL-746A (ASTM D3638) at a thickness of 3.0 mm of 1 or less.

12. The connection structure for the solar power generation module according to claim 1 , wherein the connection structure for the solar power generation module is a connector for a solar power generation module.

13. The connection structure for the solar power generation module according to claim 1 , wherein the thermoplastic resin composition comprises a thermoplastic resin composition obtained by crushing a connection structure for a solar power generation module.

Assignees

• Ishii Tadayuki
• Furukawa Hiroaki
• Kono Hiroyuki
• Asahi Kasei Chemicals Corp

Inventors

• Ishii Tadayuki
• Furukawa Hiroaki
• Kono Hiroyuki

Classifications

• H01R13/6273

  comprising two latching arms · CPC title

• H01R13/527 Primary

  Flameproof cases (H01R13/70 takes precedence) · CPC title

• H02S40/34

  comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes · CPC title

• C08L71/12

  Polyphenylene oxides · CPC title

• C08L53/02

  of vinyl-aromatic monomers and conjugated dienes · CPC title