Interlayer film for laminated glass and laminated glass
US-2017334173-A1 · Nov 23, 2017 · US
Heat-ray shielding film and method for manufacturing the same, and heat-ray shielding laminated transparent base material
US10307993B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10307993-B2 |
| Application number | US-201214009870-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 12, 2012 |
| Priority date | Apr 14, 2011 |
| Publication date | Jun 4, 2019 |
| Grant date | Jun 4, 2019 |
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Abstract
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To provide a heat-ray shielding film mainly composed of polyvinyl acetal resin and a method for manufacturing the same capable of exhibiting excellent optical characteristics and high weather resistance by using composite tungsten oxide fine particles having a high heat-ray shielding effect, and a heat-ray shielding laminated transparent base material using the heat-ray shielding film, the heat-ray shielding film containing fine particles having a heat-ray shielding function, polyvinyl acetal resin, and a plasticizer, wherein the fine particles having the heat-ray shielding function is expressed by a general formula MyWOz (wherein M is one kind or more elements selected from a group consisting of Cs, Rb, K, Tl, In, Ba, Li, Ca, Sr, Fe, Sn, Al, and Cu, satisfying 0.1<=y<=0.5, 2.2<=z<=3.0), which are composite tungsten oxide fine particles having a hexagonal crystal structure, the heat-ray shielding film further containing metal carboxylate.
First claim
Opening claim text (preview).
The invention claimed is: 1. A heat-ray shielding film containing fine particles having a heat-ray shielding function, polyvinyl acetal resin, a metal carboxylate, and a plasticizer, wherein the fine particles having the heat-ray shielding function consist of composite tungsten oxide fine particles having a hexagonal crystal structure and are expressed by a general formula MyWOz (wherein M is one kind or more elements selected from a group consisting of Cs, Rb, K, Tl, In, Ba, Li, Ca, Sr, Fe, Sn, Al, and Cu, satisfying 0.1<=y<=0.5, 2.2<=z<=3.0), and wherein the metal carboxylate is manganese 2-ethylhexanoate, and wherein a content of the metal carboxylate is from 3 pts.wt. to 500 pts.wt. based on 100 pts.wt. of the composite tungsten oxide fine particles. 2. The heat-ray shielding film according to claim 1 , wherein the composite tungsten oxide fine particles are fine particles with an average particle size of 40 nm or less. 3. A heat-ray shielding laminated transparent base material, comprising the heat-ray shielding film of claim 1 arranged between a plurality of transparent base materials. 4. The heat-ray shielding laminated transparent base material according to claim 3 , wherein at least one of the transparent base materials is glass.
Assignees
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Classifications
containing vinyl acetal · CPC title
Adjustment of the adherence to the glass layers · CPC title
- B32B17/10633Primary
Infrared radiation absorbing or reflecting agents · CPC title
of tungsten · CPC title
of synthetic resin · CPC title
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- What does patent US10307993B2 cover?
- To provide a heat-ray shielding film mainly composed of polyvinyl acetal resin and a method for manufacturing the same capable of exhibiting excellent optical characteristics and high weather resistance by using composite tungsten oxide fine particles having a high heat-ray shielding effect, and a heat-ray shielding laminated transparent base material using the heat-ray shielding film, the heat…
- Who is the assignee on this patent?
- Fujita Kenichi, Kobayashi Hiroshi, Sumitomo Metal Mining Co
- What technology area does this patent fall under?
- Primary CPC classification B32B17/10633. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Jun 04 2019 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).