JPS55147520A - Flame-retardant polyurethane foam - Google Patents
Flame-retardant polyurethane foamInfo
- Publication number
- JPS55147520A JPS55147520A JP12023279A JP12023279A JPS55147520A JP S55147520 A JPS55147520 A JP S55147520A JP 12023279 A JP12023279 A JP 12023279A JP 12023279 A JP12023279 A JP 12023279A JP S55147520 A JPS55147520 A JP S55147520A
- Authority
- JP
- Japan
- Prior art keywords
- filler
- mixed salt
- borax
- reaction mixture
- aggregate
- 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.)
- Pending
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
PURPOSE: A polyurethane foam having excellent resistance to heat and fire, which is useful as a construction material such as a heat-insulating material, having dispersed a mixed salt filler obtained by the reaction of borax with sulfuric acid or a filler obtained by impregnating porous aggregate with the mixed salt filler.
CONSTITUTION: As shown in the reaction formula, borax, sulfuric acid and water are reacted to obtain a mixed salt of a Glauber's salt and boric acid. The mixed salt is pulverized to obtain a mixed salt filler. Porous aggregate such as perlite or "shirasu" balloons is added to the reaction mixture while the reaction mixture is still liquid, thereby to impregnate the porous aggregate with the liquid reaction mixture. The impregnated aggregate is dried to obtain a filler coated with the mixed salt. One hundred pts.wt. of the filler, optionally, together with inorganic porous particles e.g., perlite or inorganic powders, e.g., borax, is added to 50W300pts.wt. of a foamable polyurethane resin.
EFFECT: The filler is insoluble in water and stable.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12023279A JPS55147520A (en) | 1979-09-17 | 1979-09-17 | Flame-retardant polyurethane foam |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12023279A JPS55147520A (en) | 1979-09-17 | 1979-09-17 | Flame-retardant polyurethane foam |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50114060A Division JPS5237947A (en) | 1975-09-19 | 1975-09-19 | Filler for fire-resistant building material and building material cont aining the same |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55147520A true JPS55147520A (en) | 1980-11-17 |
Family
ID=14781117
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12023279A Pending JPS55147520A (en) | 1979-09-17 | 1979-09-17 | Flame-retardant polyurethane foam |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55147520A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS612722A (en) * | 1984-06-14 | 1986-01-08 | Fuiruton Internatl Kk | Flame-retardant polyurethane foam |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5237947A (en) * | 1975-09-19 | 1977-03-24 | Ishikawa Takashi | Filler for fire-resistant building material and building material cont aining the same |
JPS5521768A (en) * | 1978-08-02 | 1980-02-16 | Mametora Agricult Mach | Transplanter for nursery plant with soil |
-
1979
- 1979-09-17 JP JP12023279A patent/JPS55147520A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5237947A (en) * | 1975-09-19 | 1977-03-24 | Ishikawa Takashi | Filler for fire-resistant building material and building material cont aining the same |
JPS5521768A (en) * | 1978-08-02 | 1980-02-16 | Mametora Agricult Mach | Transplanter for nursery plant with soil |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS612722A (en) * | 1984-06-14 | 1986-01-08 | Fuiruton Internatl Kk | Flame-retardant polyurethane foam |
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