CN102816403B - High-gloss-texture reinforced molding compound for whole bathroom wallboard and preparation method thereof - Google Patents
High-gloss-texture reinforced molding compound for whole bathroom wallboard and preparation method thereof Download PDFInfo
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- CN102816403B CN102816403B CN201110154986.4A CN201110154986A CN102816403B CN 102816403 B CN102816403 B CN 102816403B CN 201110154986 A CN201110154986 A CN 201110154986A CN 102816403 B CN102816403 B CN 102816403B
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Abstract
The invention discloses a high-gloss-texture reinforced molding compound for whole bathroom wallboard and a preparation method thereof. The sheet molding compound comprises, by weight, unsaturated polyester 60-90 parts, low shrinkage additive 10-40 parts, padding 30-180 parts, chopped glass fiber 20-40 parts, thickening agent 0.5-2 parts, initiating agent 1-2 parts, releasing agent 2-10 parts, polymerization inhibitor 0-0.2 part and styrene 1-10 parts. The preparation method comprises the steps of using a high-speed dispersion machine to perform stirring and mixing, using a sheet molding compound unit to perform infiltration and performing thickening at the temperature of 40-50 DEG C.
Description
Technical field
The present invention relates to a kind of high light quality sense enhancement mode plastics, especially relate to high light quality sense enhancement mode plastics and preparation method thereof for a kind of integral bathroom wall plate.
Background technology
Sheet molding compound (SMC) is to be mixed into resin paste with raw materials such as unsaturated polyester resin, low shrinkage additive, filler, thickening material, initiator, linking agent, inner pattern releasing agent applicable and tinting materials, dipping chopped strand rove or glass mat, through sheet molding compound pelleter impregnated glass fiber, make sheet material, and be coated with polyethylene or polypropylene film on two sides, carry out rolling, then pass through thickening, reach tack-free state, for compression molding.Sheet molding compound is the moulding compound that a kind of dry method that grows up the sixties in 20th century is manufactured fibre reinforced plastics, through the development of more than 40 years, that sheet molding compound die press technology for forming now progressively develops in field of compound material was the most ripe, application a kind of technique very widely.
Sheet molding compound, as a kind of development New-type mould binder rapidly, has many features: 1, the plastic various complicated products of good fluidity; 2, mould pressing process is less demanding to temperature and pressure, applied widely, and production efficiency is high, can significantly reduce production costs; 3, there is superior corrosion resistance nature 4, mechanical property can compare favourably with part metals material; 5, can possess insulating material performance and flame retardant properties; 6, light weight, engineering design are easy etc.Because making sheet molding compound, these features are widely used in carrier vehicle, building, electric industry.Along with the continuous expansion of sheet molding compound range of application, also just more and more to the search of its range of application.But along with the more and more higher requirement that modern manufacturing industry proposes material property, the performance need of sheet molding compound further improves and improves, and particularly as bathroom wallboard, for its glossiness aspect, has higher requirement.
Summary of the invention
In view of the foregoing, for overcoming the deficiencies in the prior art, the invention provides the very high high light quality sense enhancement mode plastics for a kind of integral bathroom wall plate of the surface gloss for integral bathroom wallboard that a kind of performance is more excellent.
In order to realize this purpose, the present invention is completed by following measures:
High light quality sense enhancement mode plastics for integral bathroom wall plate, described enhancement mode plastics are comprised of the raw material of following parts by weight:
Unsaturated polyester resin: 60-90 part;
Low shrinkage additive: 10-40 part;
Filler: 30-180 part;
Short glass fiber: 20-40 part;
Thickening material: 0.5-2 part;
Initiator: 1-2 part;
Stopper: 0-0.2 part;
Releasing agent: 2-10 part;
Vinylbenzene: 1-10 part.
Further step of the present invention is that described in sheet molding compound formula system, the resin of employing is adjacent benzene, isophthalic or epoxy vinyl ester unsaturated polyester, contains appropriate carboxyl in order to thickening in molecule.
Further step of the present invention is, the main Vinylite that adopts in described the present invention, the contour water-fast resin of metaphenylene unsaturated polyester, the initiator adopting is peroxidized t-butyl perbenzoate or the peroxidation 2 ethyl hexanoic acid tert-butyl ester, or described initiator is peroxidized t-butyl perbenzoate and the peroxidation 2 ethyl hexanoic acid tert-butyl ester (0.7～0.8) in mass ratio: the composite initiator system of (0.3～0.2) composition.
Further step of the present invention is, the described low shrinkage additive of described employing is one or more the combination being selected from saturated polyester, polystyrene, polymethylmethacrylate.
Further step of the present invention is that described the present invention mainly selects polystyrene, polymethylmethacrylate or saturated polyester and their mixed type low shrinkage additive; When adopting polystyrene, because phase separation easily occurs for polystyrene and resin, use effectively prevents that the dispersing auxiliary being separated from just seeming extremely important.
Further step of the present invention is that the inner pattern releasing agent applicable of described employing is Zinic stearas or calcium stearate.
Further step of the present invention is, the mineral filler of described employing is that particle diameter is less than or equal to carbonic acid micro mist that the fine aluminum hydroxide powder of 10 microns or particle diameter be less than or equal to 10 microns or the mixture of the two, wherein uses aluminium hydroxide can reach higher water-fast effect.
A preparation method for high light quality sense enhancement mode plastics for integral bathroom wall plate, its step is as follows:
(1) by scraper, the resin paste mixing is evenly coated on upper and lower polyethylene film; Pass through again to regulate cutting unit, cutting glass fibre, length and the content of control glass fibre; Upper and lower PE film is pasted relatively, formed a kind of upper and lower sheet material that is all covered with polyethylene film, then sheet material is extruded by compactor, its fiber and resin are fully flooded, be shaped to sheet material, then carry out rolling;
(2) sheet material of rolling is transported to the thickening of thickening chamber, the temperature setting of thickening chamber is set to 45 ℃, and the thickening time is 24 hours, obtains described sheet molding compound;
(3) mold pressing: the present embodiment is to be prepared is high water-fast bathtub.The certain mass sheet molding compound of weighing, drops into sheet stock in preheated mould after tearing the polyethylene film on sheet material.
Further step of the present invention is, adopts 1000T pressing machine to carry out mold pressing during described mold pressing, and the temperature of mould pros and cons is respectively 145 degrees Celsius and 136 degrees Celsius, and molding pressure is: 50kg/cm
2, molding time 180 seconds, end article thickness is 3 millimeters, after mold pressing completes, carries out deburring, arranges the flash of article periphery.
Beneficial effect of the present invention is as follows:
(1), the present invention is mainly that selection by low shrinkage additive and filler reaches Gao Guang.Select PES (polyester) and PVAC (Vinyl Acetate Copolymer) system can make surfacing fine and smooth;
(2), the present invention is by selecting the filler that diameter is little or selecting aluminium hydroxide series filler also can make product surface smooth, from optical angle, reaches Gao Guang.
Accompanying drawing explanation
Embodiment
About embodiments of the present invention, hereinafter with reference to embodiment, illustrated.
Embodiment 1:
According to the bathroom wallboard of the present embodiment, with high light quality sense enhancement mode plastics, prepare as follows:
(1), according to following formula (mass fraction) preparation resin paste:
Unsaturated polyester resin: 85 parts of adjacent benzene resins;
Low shrinkage additive: 15 parts;
Mineral filler: 30 parts of fine aluminum hydroxide powders;
Short glass fiber: 20 parts;
Thickening material: 1.6 parts, magnesium oxide;
Initiator: 1 part;
Inner pattern releasing agent applicable: 3 parts of Zinic stearass;
Above-mentioned raw materials is uniformly mixed and is made resin paste by high speed dispersor.Then by sheet molding compound unit, infiltrate rolling;
(2), by the thickening 24 hours at 40 ℃ of-50 ℃ of temperature of above-mentioned rolling sheet stock, obtain above-mentioned requirements sheet molding compound.
(3), mold pressing: the present embodiment is to be prepared is the wallboard of integral bathroom.The certain mass sheet molding compound of weighing, drops into sheet stock in preheated mould after tearing the polyethylene film on sheet material, and the area that feeds intake is 90% of finished product frontal projected area.The present embodiment adopts 1000T pressing machine to carry out mold pressing, and the temperature of mould pros and cons is respectively 145 degrees Celsius and 136 degrees Celsius, and molding pressure is: 50kg/cm
2, molding time 180 seconds, end article thickness is 3 millimeters, after mold pressing completes, carries out deburring, arranges the flash of article periphery.
The finished surface effect that the present embodiment obtains is fine, but because inorganic filler content in goods is less, resin and low shrinkage additive content are higher, and resin and low shrinkage additive are higher with respect to mineral filler cost, cause product cost higher.
Embodiment 2:
According to the bathroom wallboard of the present embodiment, with high light quality sense enhancement mode plastics, prepare as follows:
(1), according to following formula (mass fraction) preparation resin paste:
Unsaturated polyester resin: 85 parts of isophthalic resins;
Low shrinkage additive: 15 parts;
Mineral filler: 160 parts of fine aluminum hydroxide powders;
Short glass fiber: 25 parts;
Thickening material: 1.6 parts, magnesium oxide;
Initiator: 1 part;
Stopper: 0.1 part;
Inner pattern releasing agent applicable: 3 parts of Zinic stearass;
Above-mentioned raw materials is uniformly mixed and is made resin paste by high speed dispersor, then add 8 parts of vinylbenzene with adjusting viscosity, resin paste is suitably diluted.Then by sheet molding compound unit, infiltrate rolling;
(2), by the thickening 24 hours at 40 ℃ of-50 ℃ of temperature of above-mentioned rolling sheet stock, more at room temperature thickening 24 hours, obtains above-mentioned requirements sheet molding compound.
(3), mold pressing: the present embodiment is to be prepared is the wallboard of integral bathroom.The certain mass sheet molding compound of weighing, drops into sheet stock in preheated mould after tearing the PE film on sheet material, and the area that feeds intake is 90% of finished product frontal projected area.The present embodiment adopts 1000T pressing machine to carry out mold pressing, and the temperature of mould pros and cons is respectively 145 degrees Celsius and 136 degrees Celsius, and molding pressure is: 50kg/cm
2, molding time 180 seconds, end article thickness is 3 millimeters, after mold pressing completes, carries out deburring, arranges the flash of article periphery.
The finished surface effect that the present embodiment obtains is fine, but because the content of fine aluminum hydroxide powder in resin paste is higher, causes the viscosity of resin paste also higher, must add vinylbenzene and dilute, and just can slow down its surface compressed rate.Due to fine aluminum hydroxide powder and cinnamic cost lower than being with resin-phase, therefore compare with embodiment 1, the manufacturing cost of embodiment 2 declines to a great extent, thickening after 24 hours again under the sheet stock room temperature after thickening, in sheet stock, resin etc. is further crosslinked, also makes quality product improve.Therefore can produce in enormous quantities.
Embodiment 3:
According to the bathroom wallboard of the present embodiment, with high light quality sense enhancement mode plastics, prepare as follows:
(1), according to following formula (mass fraction) preparation resin paste:
Unsaturated polyester resin: 85 parts of Vinylites;
Low shrinkage additive: 15 parts;
Mineral filler: 180 parts of fine aluminum hydroxide powders;
Short glass fiber: 40 parts;
Thickening material: 1.2 parts, magnesium oxide;
Initiator: 1 part;
Stopper: 0.2 part;
Inner pattern releasing agent applicable: 4 parts of Zinic stearass;
Above-mentioned raw materials is uniformly mixed and is made resin paste by high speed dispersor, then add 12 parts of vinylbenzene with adjusting viscosity, resin paste is suitably diluted.Then by sheet molding compound unit, infiltrate rolling;
(2), by the thickening 24 hours at 40 ℃ of-50 ℃ of temperature of above-mentioned rolling sheet stock, more at room temperature thickening 24 hours, obtains above-mentioned requirements sheet molding compound.
(3), mold pressing: the present embodiment is to be prepared is the wallboard of integral bathroom.The certain mass sheet molding compound of weighing, drops into sheet stock in preheated mould after tearing the PE film on sheet material, and the area that feeds intake is 90% of finished product frontal projected area.The present embodiment adopts 1000T pressing machine to carry out mold pressing, and the temperature of mould pros and cons is respectively 145 degrees Celsius and 136 degrees Celsius, and molding pressure is: 60kg/cm
2, molding time 160 seconds, end article thickness is 3 millimeters, after mold pressing completes, carries out deburring, arranges the flash of article periphery.
The finished surface effect that the present embodiment obtains is better, but because the content of fine aluminum hydroxide powder in resin paste is higher, causes the viscosity of resin paste also higher, must add more vinylbenzene and dilute, and just can slow down its surface compressed rate.Using Vinylite as resin base material, and ageing-resistant, waterproof, the fungicidal properties of its goods are all relatively good.
Compare with embodiment 2, the molding pressure of embodiment 3 is large, and quick solidifying has shortened the molding time of mold pressing step, can enhance productivity.
Disclosed is above only several specific embodiment of the present invention, but the present invention is not limited thereto, and the changes that any person skilled in the art can think of, all should drop in protection scope of the present invention.
Claims (3)
1. a preparation method for high light quality sense enhancement mode plastics for integral bathroom wall plate, is characterized in that: prepare as follows:
(1) according to following prescription quality umber configuration resin paste:
Adjacent benzene type unsaturated polyester resin: 85 parts;
Low shrinkage additive: 15 parts;
Mineral filler fine aluminum hydroxide powder: 30 parts;
Short glass fiber: 20 parts;
Thickening material magnesium oxide: 1.6 parts;
Initiator: 1 part;
Inner pattern releasing agent applicable Zinic stearas: 3 parts;
Above-mentioned raw materials is uniformly mixed and is made resin paste by high speed dispersor, then by sheet molding compound unit, infiltrate rolling; By the thickening 24 hours at 40 ℃～50 ℃ temperature of above-mentioned rolling sheet stock, obtain sheet molding compound;
(2) mold pressing: the certain mass sheet molding compound of weighing, sheet stock is dropped in preheated mould after tearing the polyethylene film on sheet material, the area that feeds intake is 90% of finished product frontal projected area; Adopt 1000T pressing machine to carry out mold pressing, the temperature of mould pros and cons is respectively 145 degrees Celsius and 136 degrees Celsius, and molding pressure is: 50kg/cm
2, molding time 180 seconds, end article thickness is 3 millimeters, after mold pressing completes, carries out deburring, arranges the flash of article periphery.
2. a preparation method for high light quality sense enhancement mode plastics for integral bathroom wall plate, is characterized in that: prepare as follows:
(1) according to following prescription quality umber configuration resin paste:
Metaphenylene unsaturated polyester resin: 85 parts;
Low shrinkage additive: 15 parts;
Mineral filler fine aluminum hydroxide powder: 160 parts;
Short glass fiber: 25 parts;
Thickening material magnesium oxide: 1.6 parts;
Initiator: 1 part;
Stopper: 0.1 part;
Inner pattern releasing agent applicable Zinic stearas: 3 parts;
Above-mentioned raw materials is uniformly mixed and is made resin paste by high speed dispersor, then add 8 parts of vinylbenzene with adjusting viscosity, resin paste is suitably diluted, then by sheet molding compound unit, infiltrate rolling; By the thickening 24 hours at 40 ℃～50 ℃ temperature of above-mentioned rolling sheet stock, more at room temperature thickening 24 hours, sheet molding compound obtained;
(2) mold pressing: the certain mass sheet molding compound of weighing, sheet stock is dropped in preheated mould after tearing the PE film on sheet material, the area that feeds intake is 90% of finished product frontal projected area; Adopt 1000T pressing machine to carry out mold pressing, the temperature of mould pros and cons is respectively 145 degrees Celsius and 136 degrees Celsius, and molding pressure is: 50kg/cm
2, molding time 180 seconds, end article thickness is 3 millimeters, after mold pressing completes, carries out deburring, arranges the flash of article periphery.
3. a preparation method for high light quality sense enhancement mode plastics for integral bathroom wall plate, is characterized in that: prepare as follows:
(1) according to following prescription quality umber configuration resin paste:
Vinyl unsaturated polyester resin: 85 parts;
Low shrinkage additive: 15 parts;
Mineral filler fine aluminum hydroxide powder: 180 parts;
Short glass fiber: 40 parts;
Thickening material magnesium oxide: 1.2 parts;
Initiator: 1 part;
Stopper: 0.2 part;
Inner pattern releasing agent applicable Zinic stearas: 4 parts;
Above-mentioned raw materials is uniformly mixed and is made resin paste by high speed dispersor, then add 12 parts of vinylbenzene with adjusting viscosity, resin paste is suitably diluted, then by sheet molding compound unit, infiltrate rolling; By the thickening 24 hours at 40 ℃～50 ℃ temperature of above-mentioned rolling sheet stock, more at room temperature thickening 24 hours, sheet molding compound obtained;
(2) mold pressing: the certain mass sheet molding compound of weighing, sheet stock is dropped in preheated mould after tearing the PE film on sheet material, the area that feeds intake is 90% of finished product frontal projected area; Adopt 1000T pressing machine to carry out mold pressing, the temperature of mould pros and cons is respectively 145 degrees Celsius and 136 degrees Celsius, and molding pressure is: 60kg/cm
2, molding time 160 seconds, end article thickness is 3 millimeters, after mold pressing completes, carries out deburring, arranges the flash of article periphery.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110154986.4A CN102816403B (en) | 2011-06-10 | 2011-06-10 | High-gloss-texture reinforced molding compound for whole bathroom wallboard and preparation method thereof |
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| CN201110154986.4A CN102816403B (en) | 2011-06-10 | 2011-06-10 | High-gloss-texture reinforced molding compound for whole bathroom wallboard and preparation method thereof |
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| CN102816403B true CN102816403B (en) | 2014-10-15 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103772931A (en) * | 2014-01-15 | 2014-05-07 | 芜湖市宝艺游乐科技设备有限公司 | High-intensity glass fiber reinforced plastic material and preparation method thereof |
| CN103788609A (en) * | 2014-01-15 | 2014-05-14 | 芜湖市宝艺游乐科技设备有限公司 | Auxiliary-filled fiberglass-reinforced plastic material and preparation method thereof |
| CN103936933A (en) * | 2014-04-24 | 2014-07-23 | 常州日新模塑科技有限公司 | SMC (sheet molding compound) for base plate of shower room |
| CN104151801A (en) * | 2014-07-23 | 2014-11-19 | 上海上耀新材料科技有限公司 | Nano photocatalytic composite material and preparation method thereof |
| CN107383339A (en) * | 2017-06-30 | 2017-11-24 | 科勒(中国)投资有限公司 | The preparation method of bathroom component base, bathroom component base, bathroom part |
| CN110903622B (en) * | 2019-11-05 | 2022-03-08 | 珠海格力绿色再生资源有限公司 | BMC composite material for air conditioner electrical appliance box and preparation method thereof |
| CN112694731A (en) * | 2020-12-23 | 2021-04-23 | 浙江省乐清树脂厂 | Molding compound and preparation method thereof |
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| CN101831162A (en) * | 2010-05-25 | 2010-09-15 | 宁波华缘玻璃钢电器制造有限公司 | Luminous type polyester molding compound and preparation method thereof |
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| KR20020014891A (en) * | 2000-08-19 | 2002-02-27 | 이계안 | Thermosetting resin composition for outer pannel of automobile |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101831162A (en) * | 2010-05-25 | 2010-09-15 | 宁波华缘玻璃钢电器制造有限公司 | Luminous type polyester molding compound and preparation method thereof |
Non-Patent Citations (1)
| Title |
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| 黄家康.《聚酯模塑料生产与成型技术》.《聚酯模塑料生产与成型技术》.化学工业出版社,2002,(第1版),第56页和第132页. * |
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Effective date of registration: 20161101 Address after: Suzhou 215000, Jiangsu Province Industrial Park Weiting Wangjiang Road No. 189 Patentee after: SUZHOU COZY HOUSE EQUIPMENT Co.,Ltd. Address before: 225500 Jiangsu city of Taizhou province Jiangyan Kaitai Road Economic Development Zone No. 189 Patentee before: TAIZHOU KEYI NEW MATERIAL Co.,Ltd. |
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Effective date of registration: 20230727 Address after: 241000 building 01, No. 5288, Dongwan Road, Anhui Xinwu Economic Development Zone, Wanyi District, Wuhu City, Anhui Province Patentee after: Wuhu Keyi building materials Co.,Ltd. Address before: No. 189, Wangjiang Road, Weiting Town, Suzhou Industrial Park, Jiangsu Province, 215000 Patentee before: SUZHOU COZY HOUSE EQUIPMENT Co.,Ltd. |