CN102816403A - 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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- CN102816403A CN102816403A CN2011101549864A CN201110154986A CN102816403A CN 102816403 A CN102816403 A CN 102816403A CN 2011101549864 A CN2011101549864 A CN 2011101549864A CN 201110154986 A CN201110154986 A CN 201110154986A CN 102816403 A CN102816403 A CN 102816403A
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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 a kind of integral bathroom wallboard with high light quality sense enhancement mode plastics and preparation method thereof.
Background technology
Sheet molding compound (SMC) is to stick with paste with raw materials mix resins 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 are processed sheet material through sheet molding compound pelleter impregnated glass fiber, and are coated with Vilaterm or PP SHEET FOR OPP TAPE on the two sides; Carry out rolling; Pass through thickening then, reach tack-free state, be used 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 made fibre reinforced plastics; Through 40 years of development, the sheet molding compound die press technology for forming progressively develops into the most ripe in the field of compound material, a kind of very widely technology of application at present.
Sheet molding compound has many characteristics as the novel moulded rapidly material of a kind of development: 1, the plastic various complicated products of good fluidity; 2, mould pressing process is less demanding to temperature and pressure, and is applied widely, and production efficiency is high, can reduce production costs significantly; 3, have superior corrosion resistance nature 4, mechanical property can compare favourably with the part metals material; 5, can possess insulating material performance and flame retardant properties; 6, light weight, engineering design are easy etc.Because these characteristics are widely used in road vehicle, building, the electric industry sheet molding compound.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 increasingly high requirement that modern manufacturing industry proposes material property, the performance need of sheet molding compound further improves and improves, and particularly for its glossiness aspect higher requirement is arranged as the bathroom wallboard.
Summary of the invention
In view of the foregoing, for overcoming the deficiency of prior art, the present invention provides the very high a kind of integral bathroom wallboard of the excellent more surface gloss that is used for the integral bathroom wallboard of a kind of performance with high light quality sense enhancement mode plastics.
In order to realize this purpose, the present invention is accomplished by following measure:
A kind of integral bathroom wallboard is with high light quality sense enhancement mode plastics, and said enhancement mode plastics are made up 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 said in the sheet molding compound formula system, the resin of employing is adjacent benzene, a benzene or epoxy vinyl ester unsaturated polyester, contains an amount of carboxyl in the molecule in order to thickening.
Further step of the present invention is; The main Vinylite that adopts among said the present invention; High water-fast resins such as metaphenylene unsaturated polyester; The initiator that adopts is the peroxidized t-butyl perbenzoate or the peroxo-2 ethyl hexanoic acid tert-butyl ester, perhaps described initiator be peroxidized t-butyl perbenzoate with the peroxo-2 ethyl hexanoic acid tert-butyl ester by mass ratio (0.7～0.8): the composite initiator system of (0.3～0.2) composition.
Further step of the present invention is, the said low shrinkage additive of said employing is one or more the combination that is selected from saturated polyester, PS, the polymethylmethacrylate.
Further step of the present invention is that said the present invention mainly selects polystyrene, polymethylmethacrylate or saturated polyester and their mixed type low shrinkage additive; When adopting polystyrene,, use and prevent that effectively the dispersing auxiliary that is separated from just seeming extremely important because phase separation takes place easily for PS and resin.
Further step of the present invention is that the inner pattern releasing agent applicable of said employing is Zinic stearas or calcium stearate.
Further step of the present invention is, the mineral filler of said employing is a particle diameter smaller or equal to 10 microns fine aluminum hydroxide powder or particle diameter smaller or equal to 10 microns carbonic acid micro mist or the mixture of the two, wherein uses white lake can reach higher water-fast effect.
A kind of integral bathroom wallboard is with the preparation method of high light quality sense enhancement mode plastics, and its step is following:
(1) through scraper, the resin paste that mixes evenly is coated on the upper and lower polyethylene film; Again through regulating cutting unit, cutting glass fibre, the length of feed glass fiber and content; Upper and lower PE film is pasted relatively, formed a kind of upper and lower sheet material that all is covered with polyethylene film, again sheet material is extruded through compactor, its fiber and resin are fully flooded, be shaped to sheet material, carry out rolling then;
(2) sheet material of rolling is transported to the thickening of thickening chamber, the temperature of thickening chamber is set to 45 ℃, and the thickening time is 24 hours, obtains said sheet molding compound;
(3) mold pressing: present embodiment what will prepare is high water-fast bathtub.The certain mass sheet molding compound of weighing drops into sheet stock in the good mould of preheating after tearing the polyethylene film on the sheet material.
Further step of the present invention is, adopts the 1000T pressing machine to carry out mold pressing during said mold pressing, and the temperature of mould pros and cons is respectively 145 degrees centigrade and 136 degrees centigrade, and molding pressure is: 50kg/cm
2, molding time 180 seconds, end article thickness is 3 millimeters, mold pressing is carried out deburring after accomplishing, the flash of arrangement article periphery.
Beneficial effect of the present invention is following:
(1), the present invention reaches Gao Guang through low shrinkage additive and filler selection.Select for use PES (polyester) and PVAC (Vinyl Acetate Copolymer) system can make surfacing fine and smooth;
(2), the present invention is through selecting the little filler of diameter for use or selecting for use white lake series filler also can make product surface smooth, reaches Gao Guang from optical angle.
Description of drawings
Embodiment
About embodiment of the present invention, below will specify with reference to embodiment.
Embodiment 1:
Bathroom wallboard according to present embodiment prepares through following steps with high light quality sense enhancement mode plastics:
(1), according to following prescription (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 in Natural manganese dioxide;
Initiator: 1 part;
Inner pattern releasing agent applicable: 3 parts of Zinic stearass;
Above-mentioned raw materials mixed through high speed dispersor make resin paste.Soak into rolling then through the sheet molding compound unit;
(2), with the thickening 24 hours under 40 ℃ of-50 ℃ of temperature of above-mentioned rolling sheet stock, promptly get the above-mentioned requirements sheet molding compound.
(3), mold pressing: present embodiment what will prepare is the wallboard of integral bathroom.The certain mass sheet molding compound of weighing drops into sheet stock in the good mould of preheating after tearing the polyethylene film on the sheet material, and the area that feeds intake is 90% of a finished product frontal projected area.Present embodiment adopts the 1000T pressing machine to carry out mold pressing, and the temperature of mould pros and cons is respectively 145 degrees centigrade and 136 degrees centigrade, and molding pressure is: 50kg/cm
2, molding time 180 seconds, end article thickness is 3 millimeters, mold pressing is carried out deburring after accomplishing, the flash of arrangement article periphery.
The finished surface effect that present embodiment obtained is fine, but owing to inorganic filler content in the goods is less, resin and low shrinkage additive content are higher, and resin and low shrinkage additive are higher with respect to the mineral filler cost, cause product cost higher.
Embodiment 2:
Bathroom wallboard according to present embodiment prepares through following steps with high light quality sense enhancement mode plastics:
(1), according to following prescription (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 in Natural manganese dioxide;
Initiator: 1 part;
Stopper: 0.1 part;
Inner pattern releasing agent applicable: 3 parts of Zinic stearass;
Above-mentioned raw materials mixed through high speed dispersor make resin paste, add 8 parts of vinylbenzene again, resin paste is suitably diluted to regulate viscosity.Soak into rolling then through the sheet molding compound unit;
(2), with the thickening 24 hours under 40 ℃ of-50 ℃ of temperature of above-mentioned rolling sheet stock, thickening at room temperature is 24 hours again, promptly gets the above-mentioned requirements sheet molding compound.
(3), mold pressing: present embodiment what will prepare is the wallboard of integral bathroom.The certain mass sheet molding compound of weighing drops into sheet stock in the good mould of preheating after tearing the PE film on the sheet material, and the area that feeds intake is 90% of a finished product frontal projected area.Present embodiment adopts the 1000T pressing machine to carry out mold pressing, and the temperature of mould pros and cons is respectively 145 degrees centigrade and 136 degrees centigrade, and molding pressure is: 50kg/cm
2, molding time 180 seconds, end article thickness is 3 millimeters, mold pressing is carried out deburring after accomplishing, the flash of arrangement article periphery.
The finished surface effect that present embodiment obtained is fine, but owing to the content of fine aluminum hydroxide powder in the 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.Because it is lower that fine aluminum hydroxide powder is compared with resin with cinnamic cost; 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 the thickening; Resin etc. is further crosslinked in the sheet stock, also makes quality product improve.Therefore can produce in enormous quantities.
Embodiment 3:
Bathroom wallboard according to present embodiment prepares through following steps with high light quality sense enhancement mode plastics:
(1), according to following prescription (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 in Natural manganese dioxide;
Initiator: 1 part;
Stopper: 0.2 part;
Inner pattern releasing agent applicable: 4 parts of Zinic stearass;
Above-mentioned raw materials mixed through high speed dispersor make resin paste, add 12 parts of vinylbenzene again, resin paste is suitably diluted to regulate viscosity.Soak into rolling then through the sheet molding compound unit;
(2), with the thickening 24 hours under 40 ℃ of-50 ℃ of temperature of above-mentioned rolling sheet stock, thickening at room temperature is 24 hours again, promptly gets the above-mentioned requirements sheet molding compound.
(3), mold pressing: present embodiment what will prepare is the wallboard of integral bathroom.The certain mass sheet molding compound of weighing drops into sheet stock in the good mould of preheating after tearing the PE film on the sheet material, and the area that feeds intake is 90% of a finished product frontal projected area.Present embodiment adopts the 1000T pressing machine to carry out mold pressing, and the temperature of mould pros and cons is respectively 145 degrees centigrade and 136 degrees centigrade, and molding pressure is: 60kg/cm
2, molding time 160 seconds, end article thickness is 3 millimeters, mold pressing is carried out deburring after accomplishing, the flash of arrangement article periphery.
The finished surface effect that present embodiment obtained is better, but owing to the content of fine aluminum hydroxide powder in the 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.As resin base material, ageing-resistant, waterproof, the fungicidal properties of its goods are all relatively good with Vinylite.
Compare with embodiment 2, the molding pressure of embodiment 3 is big, and quick solidifying has shortened the molding time of mold pressing step, can enhance productivity.
More than disclosedly be merely several specific embodiment of the present invention, but the present invention is not limited thereto, any those skilled in the art can think variation, all should drop in protection scope of the present invention.
Claims (9)
1. an integral bathroom wallboard is with high light quality sense enhancement mode plastics, and it is characterized in that: said enhancement mode plastics are made up 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.
2. a kind of integral bathroom wallboard according to claim 1 is with high light quality sense enhancement mode plastics; It is characterized in that: said in the sheet molding compound formula system; The resin that adopts is adjacent benzene, a benzene or epoxy vinyl ester unsaturated polyester, contains an amount of carboxyl in the molecule in order to thickening.
3. a kind of integral bathroom wallboard according to claim 2 is with high light quality sense enhancement mode plastics; It is characterized in that: the main Vinylite that adopts among said the present invention; High water-fast resins such as metaphenylene unsaturated polyester; The initiator that adopts is the peroxidized t-butyl perbenzoate or the peroxo-2 ethyl hexanoic acid tert-butyl ester, perhaps described initiator be peroxidized t-butyl perbenzoate with the peroxo-2 ethyl hexanoic acid tert-butyl ester by mass ratio (0.7～0.8): the composite initiator system of (0.3～0.2) composition.
4. a kind of integral bathroom wallboard according to claim 3 is characterized in that with high light quality sense enhancement mode plastics: the said low shrinkage additive of said employing is one or more the combination that is selected from saturated polyester, PS, the polymethylmethacrylate.
5. a kind of integral bathroom wallboard according to claim 4 is characterized in that with high light quality sense enhancement mode plastics: said the present invention mainly selects polystyrene, polymethylmethacrylate or saturated polyester and their mixed type low shrinkage additive; When adopting polystyrene,, use and prevent that effectively the dispersing auxiliary that is separated from just seeming extremely important because phase separation takes place easily for PS and resin.
6. a kind of integral bathroom wallboard according to claim 5 is with high light quality sense enhancement mode plastics, and it is characterized in that: the inner pattern releasing agent applicable of said employing is Zinic stearas or calcium stearate.
7. a kind of integral bathroom wallboard according to claim 6 is with high light quality sense enhancement mode plastics; It is characterized in that: the mineral filler of said employing is a particle diameter smaller or equal to 10 microns fine aluminum hydroxide powder or particle diameter smaller or equal to 10 microns carbonic acid micro mist or the mixture of the two, wherein uses white lake can reach higher water-fast effect.
8. an integral bathroom wallboard is with the preparation method of high light quality sense enhancement mode plastics, and its step is following:
(1) through scraper, the resin paste that mixes evenly is coated on the upper and lower polyethylene film; Again through regulating cutting unit, cutting glass fibre, the length of feed glass fiber and content; Upper and lower PE film is pasted relatively, formed a kind of upper and lower sheet material that all is covered with polyethylene film, again sheet material is extruded through compactor, its fiber and resin are fully flooded, be shaped to sheet material, carry out rolling then;
(2) sheet material of rolling is transported to the thickening of thickening chamber, the temperature of thickening chamber is set to 45 ℃, and the thickening time is 24 hours, obtains said sheet molding compound;
(3) mold pressing: present embodiment what will prepare is high water-fast bathtub.The certain mass SMC sheet stock of weighing drops into sheet stock in the good mould of preheating after tearing the polyethylene film on the sheet material.
9. a kind of integral bathroom wallboard according to claim 8 is with the preparation method of high light quality sense enhancement mode plastics; It is characterized in that: adopt the 1000T pressing machine to carry out mold pressing during said mold pressing; The temperature of mould pros and cons is respectively 145 degrees centigrade and 136 degrees centigrade, and molding pressure is: 50kg/cm
2, molding time 180 seconds, end article thickness is 3 millimeters, mold pressing is carried out deburring after accomplishing, the flash of arrangement article periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| 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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| CN102816403A true CN102816403A (en) | 2012-12-12 |
| CN102816403B CN102816403B (en) | 2014-10-15 |
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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 |
| CN110903622A (en) * | 2019-11-05 | 2020-03-24 | 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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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110903622A (en) * | 2019-11-05 | 2020-03-24 | 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 |
| 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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| CN102816403B (en) | 2014-10-15 |
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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. |