CN104974499A - Glass fiber reinforced polyurethane foam plastic and preparation method thereof - Google Patents
Glass fiber reinforced polyurethane foam plastic and preparation method thereof Download PDFInfo
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- CN104974499A CN104974499A CN201510371004.5A CN201510371004A CN104974499A CN 104974499 A CN104974499 A CN 104974499A CN 201510371004 A CN201510371004 A CN 201510371004A CN 104974499 A CN104974499 A CN 104974499A
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Abstract
The invention discloses a glass fiber reinforced polyurethane foam plastic and a preparation method thereof, and belongs to the technical field of materials. The foam plastic is composed of the following raw materials in parts by weight: 65 to 80 parts of polyurethane emulsion, 12 to 22 parts of glass fiber, 3 to 7 parts of dicyclohexyl peroxydicarbonate, 2 to 5 parts of polypropylene glycol, 2 to 5 parts of petroleum ether, 2 to 6 parts of aluminium chloride, and 5 to 10 parts of sodium silicate. The preparation method comprises the following steps: (1) weighing; (2) placing the raw materials into an injection moulding machine; (3) cooling and moulding. The overall performance of the provided glass fiber reinforced polyurethane foam plastic, especially the temperature resistant performance, is prominently improved, after being modified by the glass fibers.
Description
Technical field
The invention belongs to field of material technology, particularly a kind of glass fiber reinforced polyester ammonia ester foamed plastic and preparation method thereof.
Background technology
Urethane foam, be that isocyanic ester and oxy-compound are made through polymerization foaming, can be divided into soft and hard two class by its hardness, wherein soft is principal item.In general, it has splendid elasticity, flexibility, elongation and compressive strength; Chemical stability is good, resistance to many solvents and oils; High abrasion resistance, comparatively large 20 times of natural sponge; Also having the excellent performance such as processibility, heat insulating ability, binding property, be a kind of cushioning material of excellent property, but price is higher.
Urethane foam is except expensive, and outside raw material is in short supply, maximum defect is that its heat resistance and fire resistance are poor, and temperature uses higher than under the environment of 100 DEG C, comparatively unfavorable.
Modified rigid polyurethane foam, is one of effective means of reinforced polyurethane foam performance, especially makes up the heat resistance of urethane foam.
Summary of the invention
The technical problem that the present invention solves: for above-mentioned deficiency, overcome the defect of prior art, the object of this invention is to provide a kind of glass fiber reinforced polyester ammonia ester foamed plastic and preparation method thereof.
Technical scheme of the present invention: a kind of glass fiber reinforced polyester ammonia ester foamed plastic, is prepared from by the raw material of following parts by weight:
Polyaminoester emulsion 65-80 part, glass fibre 12-22 part, di-cyclohexylperoxy dicarbonate 3-7 part, polypropylene glycol 2-5 part, sherwood oil 2-5 part, aluminum chloride 2-6 part and water glass 5-10 part.
As preferably, described porous plastics is prepared from by each component of following mass fraction: polyaminoester emulsion 68-78 part, glass fibre 15-20 part, di-cyclohexylperoxy dicarbonate 4-6 part, polypropylene glycol 3-4 part, sherwood oil 3-4 part, aluminum chloride 3-4 part and water glass 6-8 part.
As preferably, described porous plastics is prepared from by each component of following mass fraction: polyaminoester emulsion 75 parts, 18 parts, glass fibre, di-cyclohexylperoxy dicarbonate 5 parts, polypropylene glycol 3 parts, sherwood oil 4 parts, 3 parts, aluminum chloride and water glass 7 parts.
A preparation method for glass fiber reinforced polyester ammonia ester foamed plastic, preparation process is as follows:
(1) each raw material is accurately taken;
(2) put into injection moulding machine after being mixed by raw material shaping, barrel temperature 170 DEG C-280 DEG C, injection pressure 55-115Mpa, die temperature 45 DEG C-75 DEG C, dwell time 35-80s, cooling time 45-120s;
(3) after injection moulding machine cooling forming, glass fiber reinforced polyester ammonia ester foamed plastic is namely obtained.
As preferably, in step (2), injection pressure is 85Mpa, dwell time 55s.
Beneficial effect: glass fiber reinforced polyester ammonia ester foamed plastic provided by the invention, pass through glass fibre, especially short glass fiber, with urethane crosslinks, improve the performance of urethane foam, especially heat resistance, by the urethane foam that glass fibre is modified, its heat resistance obviously gets a promotion.And for better improving the stability of material, the present invention adopts single stage method to prepare urethane foam, by strictly controlling the Parameter Conditions in raw material and preparation technology, ensure that the performance of urethane foam.
Embodiment
In order to understand the present invention further, below in conjunction with embodiment, the preferred embodiment of the invention is described, but should be appreciated that these describe just for further illustrating the features and advantages of the present invention, instead of limiting to the claimed invention.
Embodiment 1:
A kind of glass fiber reinforced polyester ammonia ester foamed plastic, is prepared from by the raw material of following parts by weight:
Polyaminoester emulsion 80 parts, 22 parts, glass fibre, di-cyclohexylperoxy dicarbonate 7 parts, polypropylene glycol 5 parts, sherwood oil 5 parts, 6 parts, aluminum chloride and water glass 10 parts.
A preparation method for glass fiber reinforced polyester ammonia ester foamed plastic, preparation process is as follows:
(1) each raw material is accurately taken;
(2) put into injection moulding machine after being mixed by raw material shaping, barrel temperature 270 DEG C, injection pressure 95Mpa, die temperature 55 DEG C, dwell time 62s, cooling time 110s;
(3) after injection moulding machine cooling forming, glass fiber reinforced polyester ammonia ester foamed plastic is namely obtained.
The performance of tested glass fiber reinforcement polyurethane porous plastics, result shows: density: at 0.39g/cm
3; Resistance to acids and bases: excellent; Water resisting property: excellent; Heat resistance :-100 DEG C-+200 DEG C.
Embodiment 2:
A kind of glass fiber reinforced polyester ammonia ester foamed plastic, is prepared from by the raw material of following parts by weight:
Polyaminoester emulsion 65 parts, 12 parts, glass fibre, di-cyclohexylperoxy dicarbonate 3 parts, polypropylene glycol 2 parts, sherwood oil 2 parts, 2 parts, aluminum chloride and water glass 5 parts.
A preparation method for glass fiber reinforced polyester ammonia ester foamed plastic, preparation process is as follows:
(1) each raw material is accurately taken;
(2) put into injection moulding machine after being mixed by raw material shaping, barrel temperature 270 DEG C, injection pressure 85Mpa, die temperature 55 DEG C, dwell time 50s, cooling time 100s;
(3) after injection moulding machine cooling forming, glass fiber reinforced polyester ammonia ester foamed plastic is namely obtained.
The performance of tested glass fiber reinforcement polyurethane porous plastics, result shows: density: at 0.53g/cm
3; Resistance to acids and bases: excellent; Water resisting property: excellent; Heat resistance :-100 DEG C-+200 DEG C.
Embodiment 3:
A kind of glass fiber reinforced polyester ammonia ester foamed plastic, is prepared from by the raw material of following parts by weight:
Polyaminoester emulsion 68 parts, 15 parts, glass fibre, di-cyclohexylperoxy dicarbonate 4 parts, polypropylene glycol 3 parts, sherwood oil 3 parts, 3 parts, aluminum chloride and water glass 6 parts.
A preparation method for glass fiber reinforced polyester ammonia ester foamed plastic, preparation process is as follows:
(1) each raw material is accurately taken;
(2) put into injection moulding machine after being mixed by raw material shaping, barrel temperature 270 DEG C, injection pressure 95Mpa, die temperature 55 DEG C, dwell time 58s, cooling time 100s;
(3) after injection moulding machine cooling forming, glass fiber reinforced polyester ammonia ester foamed plastic is namely obtained.
The performance of tested glass fiber reinforcement polyurethane porous plastics, result shows: density: at 0.48g/cm
3; Resistance to acids and bases: excellent; Water resisting property: excellent; Heat resistance :-100 DEG C-+200 DEG C.
Embodiment 4:
A kind of glass fiber reinforced polyester ammonia ester foamed plastic, is prepared from by the raw material of following parts by weight:
Polyaminoester emulsion 78 parts, 20 parts, glass fibre, di-cyclohexylperoxy dicarbonate 6 parts, polypropylene glycol 4 parts, sherwood oil 4 parts, 4 parts, aluminum chloride and water glass 8 parts.
A preparation method for glass fiber reinforced polyester ammonia ester foamed plastic, preparation process is as follows:
(1) each raw material is accurately taken;
(2) put into injection moulding machine after being mixed by raw material shaping, barrel temperature 270 DEG C, injection pressure 95Mpa, die temperature 55 DEG C, dwell time 58s, cooling time 100s;
(3) after injection moulding machine cooling forming, glass fiber reinforced polyester ammonia ester foamed plastic is namely obtained.
The performance of tested glass fiber reinforcement polyurethane porous plastics, result shows: density: at 0.41g/cm
3; Resistance to acids and bases: excellent; Water resisting property: excellent; Heat resistance :-100 DEG C-+200 DEG C.
Embodiment 5:
A kind of glass fiber reinforced polyester ammonia ester foamed plastic, is prepared from by the raw material of following parts by weight:
Polyaminoester emulsion 75 parts, 18 parts, glass fibre, di-cyclohexylperoxy dicarbonate 5 parts, polypropylene glycol 3 parts, sherwood oil 4 parts, 3 parts, aluminum chloride and water glass 7 parts.
A preparation method for glass fiber reinforced polyester ammonia ester foamed plastic, preparation process is as follows:
(1) each raw material is accurately taken;
(2) put into injection moulding machine after being mixed by raw material shaping, barrel temperature 270 DEG C, injection pressure 85Mpa, die temperature 55 DEG C, dwell time 55s, cooling time 100s;
(3) after injection moulding machine cooling forming, glass fiber reinforced polyester ammonia ester foamed plastic is namely obtained.
The performance of tested glass fiber reinforcement polyurethane porous plastics, result shows: density: at 0.45g/cm
3; Resistance to acids and bases: excellent; Water resisting property: excellent; Heat resistance :-100 DEG C-+200 DEG C.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. a glass fiber reinforced polyester ammonia ester foamed plastic, is characterized in that, is prepared from by the raw material of following parts by weight:
Polyaminoester emulsion 65-80 part, glass fibre 12-22 part, di-cyclohexylperoxy dicarbonate 3-7 part, polypropylene glycol 2-5 part, sherwood oil 2-5 part, aluminum chloride 2-6 part and water glass 5-10 part.
2. glass fiber reinforced polyester ammonia ester foamed plastic according to claim 1, it is characterized in that, described porous plastics is prepared from by each component of following mass fraction: polyaminoester emulsion 68-78 part, glass fibre 15-20 part, di-cyclohexylperoxy dicarbonate 4-6 part, polypropylene glycol 3-4 part, sherwood oil 3-4 part, aluminum chloride 3-4 part and water glass 6-8 part.
3. glass fiber reinforced polyester ammonia ester foamed plastic according to claim 2, it is characterized in that, described porous plastics is prepared from by each component of following mass fraction: polyaminoester emulsion 75 parts, 18 parts, glass fibre, di-cyclohexylperoxy dicarbonate 5 parts, polypropylene glycol 3 parts, sherwood oil 4 parts, 3 parts, aluminum chloride and water glass 7 parts.
4. a preparation method for glass fiber reinforced polyester ammonia ester foamed plastic according to claim 1, it is characterized in that, preparation process is as follows:
(1) each raw material is accurately taken;
(2) put into injection moulding machine after being mixed by raw material shaping, barrel temperature 170 DEG C-280 DEG C, injection pressure 55-115Mpa, die temperature 45 DEG C-75 DEG C, dwell time 35-80s, cooling time 45-120s;
(3) after injection moulding machine cooling forming, glass fiber reinforced polyester ammonia ester foamed plastic is namely obtained.
5. the preparation method of glass fiber reinforced polyester ammonia ester foamed plastic according to claim 4, is characterized in that: in step (2), injection pressure is 85Mpa, dwell time 55s.
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| CN201510371004.5A CN104974499A (en) | 2015-06-30 | 2015-06-30 | Glass fiber reinforced polyurethane foam plastic and preparation method thereof |
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| CN201510371004.5A CN104974499A (en) | 2015-06-30 | 2015-06-30 | Glass fiber reinforced polyurethane foam plastic and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101249704A (en) * | 2008-03-31 | 2008-08-27 | 江苏绿源新材料有限公司 | Continuous production method of polyurethane insulation composite slab |
| CN101249705A (en) * | 2008-03-31 | 2008-08-27 | 江苏绿源新材料有限公司 | Continuous production method of weather resistant polyurethane insulation composite slab |
| CN101250907A (en) * | 2008-03-31 | 2008-08-27 | 江苏绿源新材料有限公司 | Polyurethane heat-preserving composition board and manufacturing method |
| CN101275410A (en) * | 2008-03-31 | 2008-10-01 | 江苏绿源新材料有限公司 | Weatherability polyurethane heat preserving combined board and method for producing the same |
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2015
- 2015-06-30 CN CN201510371004.5A patent/CN104974499A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101249704A (en) * | 2008-03-31 | 2008-08-27 | 江苏绿源新材料有限公司 | Continuous production method of polyurethane insulation composite slab |
| CN101249705A (en) * | 2008-03-31 | 2008-08-27 | 江苏绿源新材料有限公司 | Continuous production method of weather resistant polyurethane insulation composite slab |
| CN101250907A (en) * | 2008-03-31 | 2008-08-27 | 江苏绿源新材料有限公司 | Polyurethane heat-preserving composition board and manufacturing method |
| CN101275410A (en) * | 2008-03-31 | 2008-10-01 | 江苏绿源新材料有限公司 | Weatherability polyurethane heat preserving combined board and method for producing the same |
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Application publication date: 20151014 |