CN104448746A - Composite inspection well lid series product and preparation method thereof - Google Patents
Composite inspection well lid series product and preparation method thereof Download PDFInfo
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- CN104448746A CN104448746A CN201410586471.5A CN201410586471A CN104448746A CN 104448746 A CN104448746 A CN 104448746A CN 201410586471 A CN201410586471 A CN 201410586471A CN 104448746 A CN104448746 A CN 104448746A
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Abstract
The invention discloses a composite inspection well lid series product comprising the following raw materials in parts by weight: 60-100 parts of inorganic mineral powder, 15-30 parts of fiber glass filaments, 10-30 parts of unsaturated polyester resin, 10-20 parts of polystyrene, 4-8 parts of a solvent, 0.2-0.5 part of a curing agent, 2-5 parts of a powder surfactant, 0.5-2 parts of color paste and 1-3 parts of a lubricating agent. A preparation method of the composite inspection well lid series product comprises the following steps of checking the raw materials; sequentially weighing the raw materials according to the weight ratio; stirring and mixing; placing the mixed raw materials into a cavity of a mould, closing the mould, and keeping the temperature and the pressure for the set time; taking out the product, checking and decorating. The composite inspection well lid series product disclosed by the invention has the excellent characteristics of relatively small weight, relatively high strength, strong bearing capacity, no damage and low production cost.
Description
Technical field
The present invention relates to menhole cover series protuct, be specifically related to composite material menhole cover series protuct and preparation method thereof.
Background technology
The series product such as inspection well cover, water grate are seen everywhere in the streets and lanes in cities and towns.Common menhole cover series protuct, many employing cast iron or cast stone are made.Such as, the patent of invention of the patent No.: ZL200510018251.3, disclose a kind of cast stone well lid and preparation method thereof, its lid is by the Black Warrior stone of 2-99wt%, the metallurgical slag of 0-95wt%, the glass of 0-95wt%, the flyash of 0-95wt%, the limestone of 0-15wt%, the dolomite of 0-20wt%, the magnesite of 0-15wt%, the hornberg rock of 0-20wt% or hornberg schist, the serpentinite of 0-20wt%, the chromite of 0-20wt%, the mica of 0-34wt%, the quartz sand of 0-34wt%, the uhligite of 0-20wt%, 0-3wt% fluorite, 0-20wt% iron scale fusing after add 1-35wt% ceramic whisker or/and prescind to 8-1000 millimeter fiber casting form, and limestone, dolomite, magnesite, hornberg rock or hornberg schist, serpentinite, chromite, mica, quartz sand, uhligite, fluorite, the component of iron scale is zero time different, the consumption sum of above-mentioned Black Warrior stone, metallurgical slag, glass, flyash is more than or equal to 65wt%.
Above-mentioned cast stone well lid, its advantage is: bending strength and fracture toughness property better; But its shortcoming is: weight is larger, easy to wear.Therefore, lightweight, corrosion-resistant, wear-resistant, that bending strength is high advanced composite material becomes menhole cover series protuct development trend is adopted.
Such as, the patent No.: ZL200710065616.7 patent of invention, discloses a kind of composite material menhole cover series protuct and preparation method thereof.Its feed composition is: with plastic waste 30 ~ 40% and industrial residue 60 ~ 70% for base-material, water glass is 3 ~ 8% of base-material total amount, and Graphite Powder 99 is 0.2 ~ 1% of base-material total amount, and tertiary sodium phosphate or other phosphorous phosphorus compound are 0.1 ~ 0.5% of base-material total amount; Each raw material mixture heat synthesis progressive die is pressed into product, and wherein plastic waste is polyethylene or polypropylene; Industrial residue is boiler bottom slag or ladle slag or cast waste sand.
Above-mentioned composite material menhole cover series protuct, its advantage is: product weight is comparatively light, take full advantage of scrap feed material, protect environment, and production cost is lower; But its shortcoming is: intensity is lower, and supporting capacity is poor, and easy to wear.
Summary of the invention
The object of the invention is to solve above-mentioned the problems of the prior art, provide that a kind of lighter in weight, intensity are higher, supporting capacity by force, the composite material menhole cover series protuct that not fragile, production cost is low and preparation method thereof.
For achieving the above object, the technical solution adopted in the present invention is as follows:
A kind of composite material menhole cover series protuct, it is characterized in that, this menhole cover series protuct comprises following raw material by weight: 60 ~ 100 parts of inorganic mineral powders, 15 ~ 30 parts of glass fibers, 10 ~ 30 parts of unsaturated polyester resins, 10 ~ 20 parts of polystyrene, 4 ~ 8 parts of solvents, 0.2 ~ 0.5 part of solidifying agent, 2 ~ 5 parts of powder surface activators, 0.5 ~ 2 part of mill base, 1 ~ 3 part of lubricant.
Described inorganic mineral powder comprises sheet, spherical, cubic and fibrous powder.
Described inorganic mineral powder comprises calcium carbonate, talcum powder, kaolin, mica, Graphite Powder 99, wollastonite, glass microballon and diatomite.
The preparation method of described composite material menhole cover series protuct, comprises the following steps:
1) ingredient inspection;
2) raw material is taken by weight ratio;
3) be uniformly mixed;
4) raw material mixed is put into cavity body of mould, matched moulds insulation, pressurize are to setting-up time;
5) take out goods, and check modification.
Before the raw material mixed is put into cavity body of mould, need first to clear up cavity body of mould.
Described be uniformly mixed in step need first by load weighted polystyrene by mechanical stirring, make mixing glue, then, then mix with other raw material.
When the raw material mixed is put into cavity body of mould, need first the temperature in cavity body of mould to be transferred to set(ting)value.
The raw material mixed is being put into cavity body of mould process, by first putting into part material to cavity body of mould, then steelframe being put into mould, finally putting into surplus stock to cavity body of mould again and come.
Compared with prior art, the invention has the advantages that:
A) the present invention utilizes unsaturated polyester resin to have thermoset feature, thus menhole cover series protuct of the present invention is had, and rigidity is large, hardness is high, high temperature resistant, nonflammable, the feature such as product size good stability, lighter in weight;
B) because polystyrene is thermoplastic material, thus ensure that menhole cover series protuct of the present invention has good toughness;
C) the present invention utilizes sheet, threadiness, spherical, cubic powder and glass fiber, ensure that the present invention has good dimensional stability, simultaneously, powder can fill the space between unsaturated polyester resin very well, thus ensure that raw material mixes, make menhole cover series protuct intensity of the present invention higher;
D) powder surface activator and lubricant play surface activation to inorganic mineral powder, prevent the agglomeration of inorganic mineral powder, not only can ensure that batch mixing is even, simultaneously, also to lubricate between moulding product and Mold Metal wall, be convenient to the demoulding, facilitate the processing of product, improve the qualification rate of product;
E) utilize solidifying agent effectively to reduce processing temperature required, make mixing raw material at a lower temperature can curing cross-linked, saved the energy, reduced production cost;
F) in addition, working method of the present invention is also comparatively simple, reduce further production cost.
Embodiment
Menhole cover series protuct of the present invention comprises following raw material by weight:
| Material | Case 1 | Case 2 | Case 3 |
| Inorganic mineral powder | 60 | 80 | 100 |
| Glass fiber | 20 | 22 | 30 |
| Unsaturated polyester resin | 15 | 23 | 30 |
| Polystyrene | 12 | 15 | 20 |
| Solvent | 4 | 5 | 7 |
| Solidifying agent | 0.2 | 0.35 | 0.4 |
| Powder surface activator | 2.5 | 3.5 | 5 |
| Mill base | 0.6 (green slurry) | 1.2 (black slurry) | 1.8 (grey mill bases) |
| Lubricant | 1 | 2 | 2.5 |
| Remarks | Green expression rainwater | Black represents sewage | Grey represents road occupation |
Above-mentioned raw materials is processed by the following method:
1) ingredient inspection;
2) raw material is taken by weight ratio;
3) first load weighted polystyrene is passed through mechanical stirring, make mixing glue, then, then be uniformly mixed with other raw material;
4) first cavity body of mould is cleared up, part material is put into cavity body of mould, then mould is put into steelframe, finally put into surplus stock to cavity body of mould again, when the raw material mixed is put into cavity body of mould, need first the temperature in cavity body of mould to be transferred to set(ting)value, matched moulds insulation, pressurize are to setting-up time;
5) take out goods, and check modification.
By the menhole cover series protuct prepared, carry out performance test according to standard method.
Tensile strength is tested by GB/T1040-92;
Modulus in tension is tested by GB/T1040-92;
Flexural strength is tested by GB/T9341-2000;
Bending elastic modulus is tested by GB/T9341-2000;
Shock strength is tested by GB/T1043-93;
Compressive strength is tested by GB/T14208.3-2009;
Test effect is as follows:
From the above results, the composite material menhole cover series protuct that the present invention obtains, have that lighter in weight, intensity are higher, supporting capacity by force, the excellent specific property that not fragile, production cost is low.
Above embodiments of the present invention are explained in detail; but the present invention is not limited to above-mentioned embodiment; in the ken that those of ordinary skill in the art possess; can also make various changes and modifications under the prerequisite not departing from present inventive concept, these changes and improvements all fall in the protection domain of application claims.
Claims (8)
1. a composite material menhole cover series protuct, it is characterized in that, this menhole cover series protuct comprises following raw material by weight: 60 ~ 100 parts of inorganic mineral powders, 15 ~ 30 parts of glass fibers, 10 ~ 30 parts of unsaturated polyester resins, 10 ~ 20 parts of polystyrene, 4 ~ 8 parts of solvents, 0.2 ~ 0.5 part of solidifying agent, 2 ~ 5 parts of powder surface activators, 0.5 ~ 2 part of mill base, 1 ~ 3 part of lubricant.
2. composite material menhole cover series protuct according to claim 1, it is characterized in that, described inorganic mineral powder comprises sheet, spherical, cubic and fibrous powder.
3. composite material menhole cover series protuct according to claim 2, it is characterized in that, described inorganic mineral powder comprises calcium carbonate, talcum powder, kaolin, mica, Graphite Powder 99, wollastonite, glass microballon and diatomite.
4. the preparation method of composite material menhole cover series protuct according to any one of claims 1 to 3, is characterized in that, comprise the following steps:
1) ingredient inspection;
2) raw material is taken by weight ratio;
3) be uniformly mixed;
4) raw material mixed is put into cavity body of mould, matched moulds insulation, pressurize are to setting-up time;
5) take out goods, and check modification.
5. the preparation method of composite material menhole cover series protuct according to claim 4, is characterized in that, before the raw material mixed is put into cavity body of mould, needs first to clear up cavity body of mould.
6. the preparation method of composite material menhole cover series protuct according to claim 4, is characterized in that, described in be uniformly mixed in step need first by load weighted polystyrene by mechanical stirring, make mixing glue, then, then mix with other raw material.
7. the preparation method of composite material menhole cover series protuct according to claim 6, is characterized in that, when the raw material mixed is put into cavity body of mould, needs first the temperature in cavity body of mould to be transferred to set(ting)value.
8. the preparation method of composite material menhole cover series protuct according to claim 7, it is characterized in that, the raw material mixed is being put into cavity body of mould process, by first putting into part material to cavity body of mould, then steelframe is put into mould, finally put into surplus stock to cavity body of mould again and come.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410586471.5A CN104448746A (en) | 2014-10-28 | 2014-10-28 | Composite inspection well lid series product and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410586471.5A CN104448746A (en) | 2014-10-28 | 2014-10-28 | Composite inspection well lid series product and preparation method thereof |
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| CN104448746A true CN104448746A (en) | 2015-03-25 |
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| CN201410586471.5A Pending CN104448746A (en) | 2014-10-28 | 2014-10-28 | Composite inspection well lid series product and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107201017A (en) * | 2017-06-10 | 2017-09-26 | 太仓市华强玻璃钢五金厂 | A kind of high rigidity glass fibre reinforced plastic manhole covers |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1295911A (en) * | 2000-11-29 | 2001-05-23 | 胡金水 | Method for producing high-strength compound material pipeline manhole lid |
| CN1367202A (en) * | 2002-02-10 | 2002-09-04 | 颜科 | Low-temp. hot-pressing formed polyester composite material and its forming process of product |
| CN1817957A (en) * | 2005-02-07 | 2006-08-16 | 无锡市鑫乐通讯器材有限公司 | Circuit board recovering powdery material pitcover/base and production thereof |
| CN102189689A (en) * | 2011-04-02 | 2011-09-21 | 上海交通大学 | Preparation method for municipal manhole cover through fragmenting and sorting waste circuit boards |
| BR102012020655A2 (en) * | 2012-08-17 | 2014-06-03 | Tecplas Ind E Com Ltda Epp | COMPOSITE THERMODUFF AND MANUFACTURING PROCESS FOR USE IN PUBLIC NETWORK VISIT COVER |
-
2014
- 2014-10-28 CN CN201410586471.5A patent/CN104448746A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1295911A (en) * | 2000-11-29 | 2001-05-23 | 胡金水 | Method for producing high-strength compound material pipeline manhole lid |
| CN1367202A (en) * | 2002-02-10 | 2002-09-04 | 颜科 | Low-temp. hot-pressing formed polyester composite material and its forming process of product |
| CN1817957A (en) * | 2005-02-07 | 2006-08-16 | 无锡市鑫乐通讯器材有限公司 | Circuit board recovering powdery material pitcover/base and production thereof |
| CN102189689A (en) * | 2011-04-02 | 2011-09-21 | 上海交通大学 | Preparation method for municipal manhole cover through fragmenting and sorting waste circuit boards |
| BR102012020655A2 (en) * | 2012-08-17 | 2014-06-03 | Tecplas Ind E Com Ltda Epp | COMPOSITE THERMODUFF AND MANUFACTURING PROCESS FOR USE IN PUBLIC NETWORK VISIT COVER |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107201017A (en) * | 2017-06-10 | 2017-09-26 | 太仓市华强玻璃钢五金厂 | A kind of high rigidity glass fibre reinforced plastic manhole covers |
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