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Method for making fire-resistant foam insulation panels

A technology of thermal insulation board and foam layer, which can be used in chemical instruments and methods, building construction, paper/cardboard layered products, etc., and can solve problems such as increasing equipment and operating costs.

Inactive Publication Date: 2015-04-29
DOW GLOBAL TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This increases equipment and operating costs

Method used

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  • Method for making fire-resistant foam insulation panels
  • Method for making fire-resistant foam insulation panels
  • Method for making fire-resistant foam insulation panels

Examples

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Embodiment Construction

[0018] see figure 1 , the bottom metal cover sheet 2 is continuously supplied to form a moving bottom cover sheet. The subsequently introduced material is placed on top of the bottom cover sheet. The bottom metal cover sheet 2 can be supplied and moved using various types of mechanical equipment. For example, the metal cover sheet 2 may be fed onto a moving platform such as an endless belt, a series of driven rolls, a tenter frame or other equipment. The metal cladding sheet 2 may be drawn through the process using a dual-belt laminator 11, or through some other downstream drawing device (not shown).

[0019] The fiber mat 10 and the curable foamed resin composition 19 are applied over the moving bottom metal cover sheet 2 . In the embodiment shown, the resin composition 19 is placed upstream of the fiber mat 10 . However, if image 3 and Figure 4 As shown, it is also possible to place the resin composition 19 downstream of the fiber mat 10 . It is also possible to pla...

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Abstract

A continuous process for preparing insulation panels having thick (0.2 mm to 1 mm) metal facing panels and a fiber-reinforced polymer foam core is disclosed. In the process, a bottom metal facing panel is continuously supplied. A mat of reinforcing fibers and a foamable resin composition are applied to the bottom facing panel. A flexible barrier layer is applied atop the foamable resin composition, and the assembly is passed through nip rolls to compress the assembly and force the resin composition into the fiber mat. An adhesive layer and top metallic facing layer are then applied on top of the flexible barrier layer, and the resulting assembly is gauged and cured by passing it through a double band laminator.

Description

technical field [0001] The present invention relates to a method for producing a foam laminate with a metal facing sheet. Background technique [0002] Insulation panels are widely used to insulate homes, buildings, cold storage facilities, boats and other structures. One type of insulation board includes a polymeric foam core and sheet metal cladding panels. This type of structure can provide a good combination of thermal insulation, mechanical strength and fire resistance. It may be desirable to include fibrous reinforcement within the polymer foam layer for several reasons. Fiber reinforcement can improve the physical properties of the board and its performance in fire resistance tests. [0003] A variety of processes can be used to manufacture heat shields. Different processes are used depending on the type of facing and core material. It is known to manufacture insulation panels in a single continuous process when the facing is a very thin, flexible material. Cont...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B37/10B29C44/06B29C44/32B32B5/20
CPCB29C44/065B29C44/1209B29C44/326B32B37/1027B32B38/0004B32B2305/10B32B2037/1253B32B2311/00B32B2315/085B32B2307/7265B32B2307/72B32B2307/718B32B2309/105B32B2607/00B32B5/20B32B5/245B32B7/12B32B15/046B32B2260/021B32B2260/046B32B2262/101B32B5/26B32B5/32B32B15/043B32B15/08B32B15/12B32B15/14B32B15/20B32B27/065B32B27/12B32B29/007B32B29/02B32B2262/105B32B2266/0278B32B2307/304B32B2419/06B32B2605/12Y10T428/24999B32B17/04B32B37/24B32B2038/0084B32B2419/00B32B2037/1215B32B15/095B29C44/30E04B1/806
Inventor L·洛蒂M·关达利尼P·戈利尼L·L·伯图塞利
Owner DOW GLOBAL TECH LLC
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