GB1286478A - Improvements relating to composite boards - Google Patents
Improvements relating to composite boardsInfo
- Publication number
- GB1286478A GB1286478A GB6127069A GB6127069A GB1286478A GB 1286478 A GB1286478 A GB 1286478A GB 6127069 A GB6127069 A GB 6127069A GB 6127069 A GB6127069 A GB 6127069A GB 1286478 A GB1286478 A GB 1286478A
- Authority
- GB
- United Kingdom
- Prior art keywords
- foam
- perlite
- board
- layer
- foam layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
- E04C2/24—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products laminated and composed of materials covered by two or more of groups E04C2/12, E04C2/16, E04C2/20
- E04C2/243—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products laminated and composed of materials covered by two or more of groups E04C2/12, E04C2/16, E04C2/20 one at least of the material being insulating
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
1286478 Foam coated perlite board GREFCO Inc 16 Dec 1969 61270/69 Heading B2E [Also in Division B5] A composite board having good thermal insulation properties has a U value of not more than 0.2 and comprises an organic plastic foam layer having a K factor not greater than 0.4 covered on at least one of its surfaces by a perlite board comprising expanded perlite intermixed with fibrous material, e.g. newsprint fibre, and held together by a binder, and having a minimum thickness of 0.6 inch, a K factor not greater than 0.45 a minimum perlite content of at least 30% by weight and a combustible organic phase not greater than 35% by weight. The other surface of the foam layer may be covered by a layer of perlite board, roofing felt or paper. The perlite board layer is preferably 3/4-1 inch thick and the foam layer ¢-2 inches thick. The foam layer may be produced in situ on the perlite board. The foam may be produced from a polyurethane, polystyrene, polyvinyl chloride or epoxy resin, suitable blowing agents used to produce the foam being pentanes, hexanes, halocarbons, preferably fluorocarbons; azodiocarbonamide and dinitrosopentamethylene tetramines. The foam composition may also contain tertiary amine catalysts, e.g. triethylamine, surfactant copolymers based on dimethyl polysiloxane and polyoxysiloxanes, phosphorus and chlorine substituted polyols to impart flame resistance, dyes, fibres and fillers, e.g. wood flour, clay, talc, antimony oxide and ammonium phosphate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB6127069A GB1286478A (en) | 1969-12-16 | 1969-12-16 | Improvements relating to composite boards |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB6127069A GB1286478A (en) | 1969-12-16 | 1969-12-16 | Improvements relating to composite boards |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1286478A true GB1286478A (en) | 1972-08-23 |
Family
ID=10486803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB6127069A Expired GB1286478A (en) | 1969-12-16 | 1969-12-16 | Improvements relating to composite boards |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1286478A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2149689A (en) * | 1983-11-12 | 1985-06-19 | Bip Chemicals Ltd | Applying insulating coatings |
-
1969
- 1969-12-16 GB GB6127069A patent/GB1286478A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2149689A (en) * | 1983-11-12 | 1985-06-19 | Bip Chemicals Ltd | Applying insulating coatings |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |