CN1554696A - Hard polyvinyl-chloride plastic plate and producing recipe - Google Patents
Hard polyvinyl-chloride plastic plate and producing recipe Download PDFInfo
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- CN1554696A CN1554696A CNA2003101226628A CN200310122662A CN1554696A CN 1554696 A CN1554696 A CN 1554696A CN A2003101226628 A CNA2003101226628 A CN A2003101226628A CN 200310122662 A CN200310122662 A CN 200310122662A CN 1554696 A CN1554696 A CN 1554696A
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Abstract
The present invention relates to hard polyvinyl chloride plastic plate and its production process and material formulation. The plastic plate is produced through mixing pwodered material and organic solvent, molding in press through pressurizing, heating, maintaining, cooling and pressure relieving, and dischargin. The said powdered material consists of aggregate 18-30 wt%, polyvinyl chloride resin as binding material 15-28 wt%, oganic solvent 35-45 wt% and pore creating agent 12-25 wt%. The plate has the advantages of heat insulating, being fireproof, sound isolating, waterproof, non-toxic, etc. The improved formulation include great amount of aggregate and pore creating agent, and thus has reduced polyvinyl chloride resin consumption and low production cost.
Description
Technical field
The present invention relates to igelite, particularly a kind of rigid PVC sheet material and production formula.
Background technology
The domestic rigid PVC airduct that once used in a large number of China, but because poor-performings such as its insulations, fire prevention, sound insulation, secondary processing, manufacturing cost is higher and eliminated by market.Soft airducts such as popular afterwards use glass fibre, urethane, though these materials can play certain heat-insulation and heat-preservation effect, but still exist some weak point, for example fiber-like product construction trouble, suction easily, harmful etc., for example the polyurethanes foam material does not reach service requirements as yet in its fire-protection rating of many occasions again.
Summary of the invention
Task of the present invention provides a kind of improved rigid PVC sheet material and production formula, it has solved insulation, fire prevention, the sound insulation of prior art products, the poor-performing of secondary processing, manufacturing cost is higher, the construction trouble, and fire-protection rating does not reach problems such as service requirements as yet.
Technical scheme of the present invention is as follows:
A kind of rigid PVC sheet material and production formula, powder raw material poured into mix in the mixing machine to evenly, add organic solvent again and stir into uniform fluid, be poured in the press die then, the airtight pressurization of press, heating, insulation, cooling, release, the discharging post-foaming is shaped to sheet material, and this powder raw material comprises aggregate, bond material polyvinyl chloride (PVC) RESINS and organic blowing agent, and described powder raw material also comprises gas generation agent; Described aggregate content is 18%～30%, and bond material polyvinyl chloride (PVC) RESINS content is 15%～28%, and organic blowing agent content is 3%～7%, and organic solvent content is 35%～45%, and gas generation agent content is 12%～25%.
Plastic plate of the present invention and production formula are to the modification in addition of traditional rigid PVC air duct board, make it to come back to life, advantages such as that its product has is heat insulation, insulation, fire prevention, sound insulation, waterproof, antisweat, nontoxic non-stimulated, safety and sanitation, specific as follows:
1. high flame retardant, smokeless.Product has outstanding fire resistance, and fire-protection rating can reach more than the B1 level, near the A level.The direct charing of high temperature, is not smoldered at no flame.
2. nontoxic, non-stimulated.Its surface and other aspect all do not have corrosion and harm to human body, belong to green building material.
3. heat insulating.Thermal conductivity is low, has good thermal and insulating performance.
4. dewfall not.Unique spherical independent unicellular structure is arranged, and ambient conditions is dewfall not how.
5. sound absorption sound insulation.Unique spherical independent unicellular structure is arranged, can insulate against sound.Its surperficial pore is thick, can sound-absorbing.
6. do not absorb water, waterproof.Unique spherical independent unicellular structure is arranged, do not absorb water, more waterproof.
7. unchangeability, indeformable, stable performance.Under high temperature or low temperature (190 ℃) still can keep original characteristic and shape for a long time.
8. deflection arbitrarily, easily processing, easily bonding.Available cutter cuts into required size and dimension arbitrarily, can be directly bonding with steel plate, plank, all kinds of finishing material, cement.
9. the coating of different color can be sprayed in the surface, and its appearance colour becomes with need.
10. the air channel of being made by this material does not need flange to connect, need not the male and female mouth, do not need sound damper yet, health, fire prevention, anti-ly reveal, moistureproof, anti-condensed water, its thermal and insulating performance meets service requirements.
Product of the present invention can be widely used in other field of central air-conditioning air channel and industry and covil construction.In the present invention, owing to used a large amount of aggregates, gas generation agent, thereby reduced the consumption of igelite, make raw materials cost descend greatly.In addition, owing to adopt general-purpose equipment and traditional technology to produce, make manufacturing expense reduce, manufacturing processed is easy.
Embodiment
Rigid PVC sheet production formula of the present invention is to contain aggregate, bond material polyvinyl chloride (PVC) RESINS, organic blowing agent, organic solvent and gas generation agent in powder raw material.Wherein, aggregate content is 18%～30%, and bond material polyvinyl chloride (PVC) RESINS content is 15%～28%, and organic blowing agent content is 3%～7%, and organic solvent content is 35%～45%, and gas generation agent content is 12%～25%.
Aggregate is talcum powder, magnesium powder, aluminium powder, fibrous magnesium silicate and kaolin powder.Organic blowing agent is N, N '-dinitrobenzene five methyne tetramines, Cellmic C 121 and Diisopropyl azodicarboxylate.Organic solvent is a toluene.Gas generation agent is calcite in powder, aluminum oxide powder and saleratus power.
Production formula of the present invention can also comprise frothing aid and fire retardant.Frothing aid is urea and Whitfield's ointment.Fire retardant is aluminium hydroxide and antimonous oxide.
When manufacturing a product, the powder raw material of said ratio poured in the mixing machine fully mix, the organic solvent such as the toluene that add said ratio again, be stirred to evenly, be poured in the press die then, press is airtight to be forced into 18MPa and heating, insulation, cooling, release, is placed in the foaming machine gradation foaming after the discharging again until moulding.
Manufacturing processed of the present invention and production formula have following some specific embodiments:
1. with 16% polyvinyl chloride (PVC) RESINS, 25% aggregate powder (forming) by talcum powder, magnesium powder, aluminium powder and kaolin powder, 15% gas generation agent (forming) by calcite in powder, aluminum oxide powder and saleratus power, 4% organic blowing agent is (by N, a N ' dinitrobenzene five methyne tetramines (being commonly called as DPT), Cellmic C 121 and Diisopropyl azodicarboxylate are formed), add in the mixing machine respectively and stir, make its uniform mixing; Again 40% toluene is added in the compound, until stirring into uniform fluid.Mixed raw materials is poured in the mould of hydropress, according to press and mold structure and inner chamber capacity setting heat-up time and temperature.The design of pressure of press is 18Mpa, and heated time is 55～65 minutes, and temperature is 160～180 ℃.Wait to be heated to finish and cool off, ice-cold until mould, release discharging then.Again molded material is delivered to and carried out second time of foaming in the second time of foaming machine, until reaching desired specification.After then the formed material behind the second time of foaming being placed open-air naturally cooling, put into drying oven and carry out drying, reach certain rigidity, and intravital all residual toluene of foaming are all evaporated until material.Use the processing of finalizing the design of equipment such as rotation sawing machine, shredder and cutting machine at last.
2. with 20% polyvinyl chloride (PVC) RESINS, 23% aggregate powder (forming) by talcum powder, magnesium powder, aluminium powder and kaolin powder, 13% gas generation agent is (by calcite in powder, aluminum oxide powder and saleratus power are formed), 6% organic blowing agent is (by N, N '-dinitrobenzene five methyne tetramines (being commonly called as DPT), Cellmic C 121 and Diisopropyl azodicarboxylate are formed), add in the mixing machine respectively and stir, make its uniform mixing; Again 38% toluene is added in the compound, until stirring into uniform fluid.Mixed raw materials is poured in the mould of hydropress, according to press and mold structure and inner chamber capacity setting heat-up time and temperature.The design of pressure of press is 18Mpa, and heated time is 55～65 minutes, and temperature is 160～180 ℃.Wait to be heated to finish and cool off, ice-cold until mould, release discharging then.Again molded material is delivered to and carried out second time of foaming in the second time of foaming machine, until reaching desired specification.After then the formed material behind the second time of foaming being placed open-air naturally cooling, put into drying oven and carry out drying, reach certain rigidity, and intravital all residual toluene of foaming are all evaporated until material.Use the processing of finalizing the design of equipment such as rotation sawing machine, shredder and cutting machine at last.
3. with 24% polyvinyl chloride (PVC) RESINS, 20% aggregate powder (forming) by talcum powder, magnesium powder, aluminium powder and kaolin powder, 12% gas generation agent is (by calcite in powder, aluminum oxide powder and saleratus power are formed), 7% organic blowing agent is (by N, N '-dinitrobenzene five methyne tetramines (being commonly called as DPT), Cellmic C 121 and Diisopropyl azodicarboxylate are formed), add in the mixing machine respectively and stir, make its uniform mixing; Again 37% toluene is added in the compound, until stirring into uniform fluid.Mixed raw materials is poured in the mould of hydropress, according to press and mold structure and inner chamber capacity setting heat-up time and temperature.The design of pressure of press is 18Mpa, and heated time is 55～65 minutes, and temperature is 160～180 ℃.Wait to be heated to finish and cool off, ice-cold until mould, release discharging then.Again molded material is delivered to and carried out second time of foaming in the second time of foaming machine, until reaching desired specification.After then the formed material behind the second time of foaming being placed open-air naturally cooling, put into drying oven and carry out drying, reach certain rigidity, and intravital all residual toluene of foaming are all evaporated until material.Use the processing of finalizing the design of equipment such as rotation sawing machine, shredder and cutting machine at last.
Claims (4)
1. rigid PVC sheet material and production formula, powder raw material poured into mix in the mixing machine to evenly, add organic solvent again and stir into uniform fluid, be poured in the press die then, the airtight pressurization of press, heating, insulation, cooling, release, the discharging post-foaming is shaped to sheet material, and this powder raw material comprises aggregate, bond material polyvinyl chloride (PVC) RESINS and organic blowing agent, it is characterized in that described powder raw material also comprises gas generation agent; Described aggregate content is 18%～30%, and bond material polyvinyl chloride (PVC) RESINS content is 15%～28%, and organic blowing agent content is 3%～7%, and organic solvent content is 35%～45%, and gas generation agent content is 12%～25%.
2. rigid PVC sheet material according to claim 1 and production formula is characterized in that, described aggregate is talcum powder, magnesium powder, aluminium powder, fibrous magnesium silicate and kaolin powder; Described organic blowing agent is N, N '-dinitrobenzene five methyne tetramines, Cellmic C 121 and Diisopropyl azodicarboxylate; Described organic solvent is a toluene; Described gas generation agent is calcite in powder, aluminum oxide powder and saleratus power.
3. rigid PVC sheet material according to claim 1 and production formula is characterized in that described powder raw material also comprises frothing aid, and frothing aid is urea and Whitfield's ointment.
4. rigid PVC sheet material according to claim 1 and production formula is characterized in that described powder raw material also comprises fire retardant, and fire retardant is aluminium hydroxide and antimonous oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310122662 CN1288200C (en) | 2003-12-24 | 2003-12-24 | Hard polyvinyl-chloride plastic plate and producing recipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310122662 CN1288200C (en) | 2003-12-24 | 2003-12-24 | Hard polyvinyl-chloride plastic plate and producing recipe |
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| Publication Number | Publication Date |
|---|---|
| CN1554696A true CN1554696A (en) | 2004-12-15 |
| CN1288200C CN1288200C (en) | 2006-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310122662 Expired - Fee Related CN1288200C (en) | 2003-12-24 | 2003-12-24 | Hard polyvinyl-chloride plastic plate and producing recipe |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102140212A (en) * | 2011-04-07 | 2011-08-03 | 浙江盛丰塑胶有限公司 | Production process of semi-rigid polyvinyl chloride portrait calendered film |
| CN102408645A (en) * | 2011-07-19 | 2012-04-11 | 陈桃 | Formula for PVC foaming sheet and preparation method of same |
| CN106432961A (en) * | 2016-09-30 | 2017-02-22 | 广州市粤林木业有限公司 | Sound-insulating board and sound-insulating wooden door |
| CN107083072A (en) * | 2017-05-11 | 2017-08-22 | 济南大学 | A kind of permeable porous, expanded PVC board and its production method and application |
-
2003
- 2003-12-24 CN CN 200310122662 patent/CN1288200C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102140212A (en) * | 2011-04-07 | 2011-08-03 | 浙江盛丰塑胶有限公司 | Production process of semi-rigid polyvinyl chloride portrait calendered film |
| CN102140212B (en) * | 2011-04-07 | 2013-03-06 | 浙江盛丰塑胶有限公司 | Production process of semi-rigid polyvinyl chloride portrait calendered film |
| CN102408645A (en) * | 2011-07-19 | 2012-04-11 | 陈桃 | Formula for PVC foaming sheet and preparation method of same |
| CN106432961A (en) * | 2016-09-30 | 2017-02-22 | 广州市粤林木业有限公司 | Sound-insulating board and sound-insulating wooden door |
| CN106432961B (en) * | 2016-09-30 | 2019-03-22 | 广州市粤林木业有限公司 | A kind of soundproof plate and sound insulation timber |
| CN107083072A (en) * | 2017-05-11 | 2017-08-22 | 济南大学 | A kind of permeable porous, expanded PVC board and its production method and application |
| CN107083072B (en) * | 2017-05-11 | 2019-07-02 | 济南大学 | The permeable porous, expanded PVC board of one kind and its production method and application |
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| Publication number | Publication date |
|---|---|
| CN1288200C (en) | 2006-12-06 |
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Granted publication date: 20061206 Termination date: 20121224 |