GB1258659A - - Google Patents
Info
- Publication number
- GB1258659A GB1258659A GB1258659DA GB1258659A GB 1258659 A GB1258659 A GB 1258659A GB 1258659D A GB1258659D A GB 1258659DA GB 1258659 A GB1258659 A GB 1258659A
- Authority
- GB
- United Kingdom
- Prior art keywords
- binder
- dicyandiamide
- article
- mould
- urea
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/34—Condensation polymers of aldehydes or ketones with monomers covered by at least two of the groups C08L61/04, C08L61/18 and C08L61/20
Abstract
1,258,659. Moulding plastic substances. OWENS-CORNING FIBERGLAS CORP. 10 Dec., 1969 [12 Dec., 1968; 5 Nov., 1969], No. 60293/69. Heading B5A. [Also in Divisions C3 and D1] A mouldable article comprises a glass fibre mat bonded by a binder comprising 40 to 91% of a curable phenol-formaldehyde condensate, 4 to 40% urea and 5 to 45% dicyandiamide. The proportion of urea and dicyandiamide is sufficiently high for the binder to be stable at 100‹ F. for at least one month and the proportion of dicyandiamide is sufficiently high to increase the viscosity to cause a substantial reduction in the tack of the binder. The article can have an apparent density of 0À5 to 30 lb. cubic foot. The binder can contain a thickening agent, e.g. 0À5 to 25% of a polysaccharide and/or a bone glue, methyl cellulose alginates, gelatin or acrylic compounds. The binder can include a mould release agent, e.g. methylpolysiloxanes or the monoethanolic ester of ricinoleic acid. Emulsified petroleum oil may also be present in the binder. The binder produces little or no build up of resin in the mould during subsequent moulding. Ceiling tiles may be produced by cutting the article into portions of appropriate size and placing each portion in a mould comprising matched dies.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US78343268A | 1968-12-12 | 1968-12-12 | |
| US87438469A | 1969-11-05 | 1969-11-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1258659A true GB1258659A (en) | 1971-12-30 |
Family
ID=27120140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1258659D Expired GB1258659A (en) | 1968-12-12 | 1969-12-10 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE743021A (en) |
| FR (1) | FR2026014A1 (en) |
| GB (1) | GB1258659A (en) |
| NL (1) | NL6918207A (en) |
-
1969
- 1969-12-04 NL NL6918207A patent/NL6918207A/xx unknown
- 1969-12-10 GB GB1258659D patent/GB1258659A/en not_active Expired
- 1969-12-11 BE BE743021D patent/BE743021A/xx unknown
- 1969-12-12 FR FR6943136A patent/FR2026014A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| NL6918207A (en) | 1970-06-16 |
| BE743021A (en) | 1970-06-11 |
| FR2026014A1 (en) | 1970-09-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |