CN102604205A - Novel environment-friendly composite reinforced polypropylene building template - Google Patents
Novel environment-friendly composite reinforced polypropylene building template Download PDFInfo
- Publication number
- CN102604205A CN102604205A CN2012100170446A CN201210017044A CN102604205A CN 102604205 A CN102604205 A CN 102604205A CN 2012100170446 A CN2012100170446 A CN 2012100170446A CN 201210017044 A CN201210017044 A CN 201210017044A CN 102604205 A CN102604205 A CN 102604205A
- Authority
- CN
- China
- Prior art keywords
- building template
- polypropylene
- vestolen
- template
- junked tire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention relates to a novel environment-friendly composite reinforced polypropylene building template, belonging to the technical field of building template preparation. By virtue of the interaction between fine powder of waste tires and polypropylene-styrene dibromide graft copolymer and aluminum hydroxide/polypropylene, the bonding force among the components is increased, the reinforced plastic polypropylene building template is subjected to physical blending and chemical modification, so that not only the overall properties of the reinforced plastic polypropylene building template are improved and the flame retardant function of the reinforced plastic polypropylene building template is enhanced, but also a new field of recycling waste tires is opened. Through the composite reinforced polypropylene building template provided by the invention, the problems that the strength and rigidity of the existing composite plastic building template cannot meet the construction requirements, the thermal expansion and cold contraction coefficient is large and the electric welding dregs are likely to scald a face plate are solved, and a large amount of natural rubber and petroleum resources are saved. The composite reinforced polypropylene building template has the advantages of high strength, good flame retardant effect, easily-accessible raw materials and simplicity in production, and can be widely used as the construction template in construction engineering, hydroelectric structures, irregular design of bridges and tunnels and the like.
Description
Technical field
The present invention relates to a kind of compound RPP building template of novel environment friendly, belong to the building template preparing technical field with junked tire fine glue powder and Vestolen PP 7052-Dowspray 9 graft copolymer modification.
Background technology
In the building template field, the composite plastic building template is a kind of building template that does not need timber, steel, and it can be sawed, can bore, can dig, can follow closely, can weld, and has corresponding strength, can satisfy the prerequisite use properties of building template.Plastic building template is compared with other material pattern, has numerous significant advantages: 1, the plate face is smooth smooth, can reach the requirement of Shimizu concrete template, and the demoulding is easy fast; 2, water tolerance and good corrosion resistance, board dimension is stable; 3, plasticity-is strong, can produce the template of various different shapeies and different size, and template surface can also form decorative pattern, and processing and fabricating is simple; 4, recyclable use repeatedly, non-environmental-pollution in the whole process of construction application.Plastic building template is a kind of product of energy-saving and environmental type, develops and applies plastic building template and have vast market prospect.
Commercially available composite plastic building template is a base material with thermoplasticity regenerated polyolefins such as Vestolen PP 7052, Vilaterm, SE mainly at present; Be the plastic building template of base material wherein, be commonly referred to as and mould the Vestolen PP 7052 building template by force with the regenerating polypropylene TPO.Acrylic resin is with fastest developing speed a kind of in the current five big plastics varieties, is a kind of oyster white wax, nontoxic, tasteless, odorless, and density is 0.90～0.91g/cm
3, excellent property, low price, but that goods have a coefficient of thermal expansion and contraction is big, is prone to during low temperature become fragile, not wear-resisting, be prone to shortcomings such as aging.Therefore have advantages such as nontoxic, light specific gravity, corrosion-resistant, high temperature resistant and low in raw material cost are easy to get though mould the Vestolen PP 7052 building template by force; But owing to adopt the regenerating polypropylene resin is base material; In the process of development and application, also there are some practical problemss, do not reach requirement like the strength and stiffness of template when the wall column template; Electroslag welding is prone to scorch panel etc. during the big and construction of the coefficient of thermal expansion and contraction of template; The prescription that this just needs the adjustment plastic mould improves production technique, the over-all properties that the Vestolen PP 7052 building template is moulded in further raising by force.
On the other hand, along with the development of rubber industry, use tree elastomer and petroleum resources in a large number; Make available natural resource in continuous minimizing; But along with the sharp increase of automobile consumption, annual in the world have a large amount of junked tires again producing, because of junked tire belongs to thermoset polymerization material; Discarded back is difficult to degraded; Form easily serious black pollution and disaster hidden-trouble, make recovery, processing and the reutilization technology of the junked tire difficult problem that becomes international, people are also seeking multiple way and are recycling them.
Summary of the invention
The objective of the invention is to; Provide a kind of junked tire fine glue powder and Vestolen PP 7052-Dowspray 9 graft copolymer of utilizing to extrude principle through reaction; Carry out physical blending and chemical modification to moulding the Vestolen PP 7052 building template by force; Not only improve the over-all properties of moulding the Vestolen PP 7052 building template by force, also opened up the frontier of recycling junked tire, the junked tire recyclable regenerative is used; Low in raw material cost is easy to get, and produces simple and safely, and quality and environmental protection all reach the compound RPP building template of novel environment friendly of commercial production conditions.
The present invention realizes above-mentioned purpose through following technical scheme:
The compound RPP building template of a kind of novel environment friendly, it is made up of upper and lower surfaces layer and little foamed core layer, it is characterized in that described upper and lower surfaces layer processed by following weight percentages:
Regenerating polypropylene pellet 50%～70%,
600～1200 purpose white lakes 20%～40%,
Vestolen PP 7052-Dowspray 9 graft copolymer 5%～15%,
7# white oil 1%～5%,
Silicone 0.5%～2.5%,
Antioxidant 1010 0.1%～0.5%,
Auxiliary antioxidant DLTDP 0.1%～0.5%,
UV-531 0.2%～0.8%；
Described little foamed core layer is processed by following weight percentages:
With the polyacrylic master batch 85%～95% of junked tire fine glue powder modification regeneration,
600～1200 purpose potter's clay 1%～10%,
7# white oil 1%～5%,
Blowing agent AC 0.1%～1%,
KZ-110 facilitates bubble stabilizer 1%～6%;
Describedly process by following weight percentages with the polyacrylic master batch of junked tire fine glue powder modification regeneration:
Regenerating polypropylene pellet 55%～75%,
80～120 purpose junked tire fine glue powders 15%～35%,
Vestolen PP 7052-maleic anhydride graft copolymer 5%～15%,
7# white oil 0.5%～3.5%,
Highly efficient regeneration acvator WR510 0.2%～0.8%,
Di Cumyl Peroxide 99 0.1%～0.6%,
Antioxidant 1010 0.1%～0.5%,
Auxiliary antioxidant DLTDP 0.1%～0.5%.
A kind of preparation method who is used for the compound RPP building template of above-mentioned novel environment friendly is characterized in that it comprises the following steps:
The master batch of the first step, preparation upper and lower surfaces layer: adopt high moment of torsion twin-screw mixer granulating extruder group; Length-to-diameter ratio L/D=36; By above-mentioned prescription requirement the regenerating polypropylene pellet that measures, 600～1200 purpose white lakes, Vestolen PP 7052-Dowspray 9 graft copolymer, 7# white oil, silicone, antioxidant 1010, auxiliary antioxidant DLTDP, UV-531 are put into kneader, behind room temperature mixed at high speed 5～15min, material is sent into the forcing machine hopper through the vacuum automatic charging machine; In forcing machine, mix, mixing; From the spout to the die head each section temperature is 160～210 ℃, and screw speed is 250～350rpm, and mixing material after evenly is by the porous dies tie rod of forcing machine front end; Pelletizing behind the tank internal cooling packages spare after air-dry;
Second step, preparation are adopted high moment of torsion twin-screw mixer granulating extruder group, length-to-diameter ratio L/D=48 with the polyacrylic master batch of junked tire fine glue powder modification regeneration;
1, the activation of junked tire fine glue powder: by the prescription requirement highly efficient regeneration acvator WR510 that measures, 80～120 purpose junked tire fine glue powders are put into kneader, in temperature be under 80～110 ℃ the environment mixed at high speed 5～15min postcooling to room temperature;
2, batch mixing: load weighted regenerating polypropylene pellet, antioxidant 1010 and auxiliary antioxidant DLTDP are added kneader by above-mentioned prescription requirement; Continue mixed at high speed 5～15min under the room temperature, add the mixture of Di Cumyl Peroxide 99 and 7# white oil in the whipping process;
3, extruding pelletization: the material that mixes is sent into the forcing machine hopper through the vacuum automatic charging machine; In forcing machine, mix, mixing; From the spout to the die head each section temperature is 60～200 ℃, and screw speed is 250～350rpm, and wherein the temperature of feed zone is lower than the temperature of other each section; Material after mixing extruding pelletization in twin screw extruder, pelletizing packages spare after air cooling;
The 3rd step, the compound RPP building template of preparation novel environment friendly: adopt Φ 120/38 single screw extrusion machine, Φ 90/38 exhaust single screw extrusion machine co-extrusion polypropylene board unit, the master batch of upper and lower surfaces layer is sent material into Φ 90/38 exhaust single screw extrusion machine hopper through the vacuum automatic charging machine; To facilitate bubble stabilizer and measure with the polyacrylic master batch of junked tire fine glue powder modification regeneration, 600～1200 purpose potter's clay, 7# white oil, blowing agent AC, KZ-110 by the prescription requirement; After putting into Z-shaped mixing machine stirring 5～15min, material is sent into Φ 120/38 single screw extrusion machine hopper through the vacuum automatic charging machine.The temperature of Φ 90/38 exhaust single screw extrusion machine from the spout to the mould is that 150～210 ℃, screw speed are 60～90rpm, and the temperature of Φ 120/38 single screw extrusion machine from the spout to the mould is that 150～210 ℃, screw speed are 60～90rpm.Simultaneously material is clamp-oned forming mould by the compound of two extruders after through divider again, extrude the compound RPP building template of preparation novel environment friendly goods continuously melting.
The present invention utilizes reaction to extrude principle; Carry out physical blending and chemical modification to moulding the Vestolen PP 7052 building template by force; Because the main chemical ingredients of junked tire fine glue powder is tree elastomer and viton (like styrene-butadiene rubber(SBR), cis-1,4-polybutadiene rubber); Also have additive components such as carbon black, silicon oxide, red stone, quicklime; Under the condition of initiator Di Cumyl Peroxide 99, expanding material Vestolen PP 7052-maleic anhydride graft copolymer, highly efficient regeneration acvator WR510 and heating; "
" isoreactivity group of "
" of regenerating polypropylene base material, "
" of styrene-butadiene rubber(SBR) and "
", cis-1,4-polybutadiene rubber can generate radical; Reaction generation graft copolymers such as radical termination can take place between the radical, also can form the insignificant multipolymer between junked tire fine glue powder and the polypropylene base simultaneously; Graft copolymer and insignificant multipolymer have improved polyacrylic melt strength, have destroyed polyacrylic crystallization degree, have improved the expansion ratio of moulding Vestolen PP 7052 building template sandwich layer by force, have reduced to mould by force the coefficient of thermal expansion and contraction of Vestolen PP 7052 building template.Graft copolymer and insignificant multipolymer have also improved the consistency between junked tire fine glue powder and the polypropylene base, have strengthened the bonding force between junked tire fine glue powder and the polypropylene base, have improved the over-all properties of moulding the Vestolen PP 7052 building template by force.In addition; Carbon black, silicon oxide, quicklime, cis-1,4-polybutadiene rubber, styrene-butadiene rubber(SBR) and tree elastomer etc. carry out the physical blending modification with polypropylene base; Can improve mechanical property, ageing-resistant performance, wear resisting property and the coefficient of thermal expansion and contraction etc. of moulding the Vestolen PP 7052 building template by force, widen the use temperature scope of moulding the Vestolen PP 7052 building template by force.
On the other hand; There are anti-flaming function and the unbalanced problem of mechanical property to the aluminium hydroxide/polypropylene matrix material; With Vestolen PP 7052-Dowspray 9 graft copolymer as compatilizer and synergistic fire retardant; Not only improve the mechanical property of moulding the Vestolen PP 7052 building template by force, can also improve the flame retardant properties of moulding the Vestolen PP 7052 building template by force.Utilize polarity part " Br " and the nonpolar long-chain part of Vestolen PP 7052-Dowspray 9 graft copolymer; In melt extruding process, realize the polarity part and white lake generation compatible role of Vestolen PP 7052-Dowspray 9 graft copolymer, nonpolar long-chain part is tangled effects such as compatible with polypropylene base generation cocrystallization or physics.The present invention utilizes Vestolen PP 7052-Dowspray 9 graft copolymer to strengthen the interaction of moulding by force between aluminium hydroxide/polypropylene in the Vestolen PP 7052 building template-Dowspray 9 graft copolymer, polypropylene/polypropylene-Dowspray 9 graft copolymer and the aluminium hydroxide/polypropylene, has improved the cohesive force between component.Simultaneously; There is the cooperative flame retardant effect between " Br " of Vestolen PP 7052-Dowspray 9 graft copolymer and the white lake; Improved the oxygen index of moulding the Vestolen PP 7052 building template by force; Not only improve the mechanical property of moulding the Vestolen PP 7052 building template by force, also improved the anti-flaming function of moulding the Vestolen PP 7052 building template by force.
The present invention's beneficial effect compared with prior art is:
1, the present invention adopts Vestolen PP 7052-Dowspray 9 graft copolymer to replace traditional organic low molecular coupling agent, has not only improved the mechanical property of aluminium hydroxide/polypropylene matrix material, has also improved the anti-flaming function of aluminium hydroxide/polypropylene matrix material.As compatilizer and synergistic fire retardant, can not only improve the mechanical property of moulding the Vestolen PP 7052 building template by force with Vestolen PP 7052-Dowspray 9 graft copolymer, can also improve the oxygen index of moulding the Vestolen PP 7052 building template by force, welding slag is difficult for scorching the panel of template during construction.
2, the present invention utilizes the main chemical compositions of junked tire fine glue powder to carry out physical blending and chemical modification to moulding the Vestolen PP 7052 building template by force; Can improve mechanical property, expansion ratio, coefficient of thermal expansion and contraction, ageing-resistant performance, wear resisting property, high temperature performance and the anti-fatigue performance of moulding the Vestolen PP 7052 building template by force; Reduce the consumption of expensive additives for plasticss such as high melt strength, propylene, antioxidant 1010, auxiliary antioxidant DLTDP and POE; Not only practiced thrift resource but also reduced black pollution; But also reduced raw materials cost; The particularly important is and found the novel method of recycling junked tire, widened the market segment of junked tire fine glue powder, help the development of recycling economy.
3, the anti-flaming function of the compound RPP building template of novel environment friendly provided by the invention and the balance between the mechanical property are good; And goods have light specific gravity, anti-aging, corrosion-resistant, smooth surface, wear resistance and good weatherability; Recyclable regenerative uses; Production cost is relatively low, is easy to the characteristics of suitability for industrialized production.
Embodiment
Below in conjunction with specific embodiment the present invention is done to describe further:
Raw material weight per-cent by above-mentioned upper and lower surfaces layer is prepared raw material (seeing table 1):
Table 1 unit K g
| Material name | Embodiment 1 | Embodiment 2 |
| The regenerating polypropylene pellet | 61 | 53 |
| 800 purpose white lakes | 26 | 31 |
| Antioxidant 1010 | 0.3 | 0.3 |
| Vestolen PP 7052-Dowspray 9 graft copolymer | 8 | 11 |
| The 7# white oil | 3 | 3 |
| Silicone | 1 | 1 |
| Auxiliary antioxidant DLTDP | 0.2 | 0.2 |
| UV-531 | 0.5 | 0.5 |
Raw material weight per-cent by above-mentioned little foamed core layer is prepared raw material (seeing table 2):
Table 2 unit: Kg
| Material name | Embodiment 1 | Embodiment 2 |
| With the polyacrylic master batch of junked tire fine glue powder modification regeneration | 89.4 | 89.4 |
| 800 purpose potter's clay | 5 | 5 |
| Blowing agent AC | 0.6 | 0.6 |
| The 7# white oil | 2 | 2 |
| KZ-110 facilitates bubble stabilizer | 3 | 3 |
The raw material weight per-cent with the polyacrylic master batch of junked tire fine glue powder modification regeneration by above-mentioned is prepared raw material (seeing table 3):
Table 3 unit: Kg
| Material name | Embodiment 1 | Embodiment 2 |
| The regenerating polypropylene pellet | 68.8 | 57.5 |
| 100 purpose junked tire fine glue powders | 23 | 31 |
| Vestolen PP 7052-maleic anhydride graft copolymer | 6 | 9 |
| The 7# white oil | 1 | 1 |
| Highly efficient regeneration acvator WR510 | 0.4 | 0.6 |
| Di Cumyl Peroxide 99 | 0.3 | 0.4 |
| Antioxidant 1010 | 0.2 | 0.2 |
| Auxiliary antioxidant DLTDP | 0.3 | 0.3 |
After above-mentioned raw materials is ready, make, obtain the compound RPP building template of novel environment friendly of embodiment 1 and embodiment 2 by following preparation method.
The master batch of the first step, preparation upper and lower surfaces layer: adopt high moment of torsion twin-screw mixer granulating extruder group; Length-to-diameter ratio L/D=36; The above-mentioned regenerating polypropylene pellet that measures, 800 purpose white lakes, Vestolen PP 7052-Dowspray 9 graft copolymer, 7# white oil, silicone, antioxidant 1010, auxiliary antioxidant DLTDP, UV-531 are put into kneader, behind the room temperature mixed at high speed 10min, material is sent into the forcing machine hopper through the vacuum automatic charging machine; In forcing machine, mix, mixing; From the spout to the die head each section temperature is 160～210 ℃, and screw speed is 250～350rpm, and mixing material after evenly is by the porous dies tie rod of forcing machine front end; Pelletizing behind the tank internal cooling packages spare after air-dry;
Second step, preparation are adopted high moment of torsion twin-screw mixer granulating extruder group, length-to-diameter ratio L/D=48 with the polyacrylic master batch of junked tire fine glue powder modification regeneration:
1, the activation of junked tire fine glue powder: above-mentioned highly efficient regeneration acvator WR510 that measures and 100 purpose junked tire fine glue powders are put into kneader, in temperature be under 80～110 ℃ the environment mixed at high speed 10min postcooling to room temperature;
2, batch mixing: the above-mentioned regenerating polypropylene pellet that measures, antioxidant 1010 and auxiliary antioxidant DLTDP are added kneader, continue mixed at high speed 10min under the room temperature, add the mixture of Di Cumyl Peroxide 99 and 7# white oil in the whipping process;
3, extruding pelletization: the material that mixes is sent into the forcing machine hopper through the vacuum automatic charging machine; In forcing machine, mix, mixing; From the spout to the die head each section temperature is 60～200 ℃; Screw speed is 250～350rpm, the extruding pelletization in twin screw extruder of the material after mixing, and pelletizing packages spare after air cooling;
The 3rd step, preparation novel environment friendly compound RPP building template: adopt Φ 120/38 single screw extrusion machine, Φ 90/38 exhaust single screw extrusion machine co-extrusion polypropylene board unit, the master batch 20Kg of the above-mentioned upper and lower surfaces layer for preparing is sent into Φ 90/38 exhaust single screw extrusion machine hopper through the vacuum automatic charging machine; With after above-mentioned measure facilitate bubble stabilizer and put into Z-shaped mixing machine and stir 10min, material is sent in the Φ 120/38 single screw extrusion machine hopper again through the vacuum automatic charging machine with the polyacrylic master batch of junked tire fine glue powder modification regeneration, 800 purpose potter's clay, 7# white oil, blowing agent AC, KZ-110.It is 60～90rpm with screw speed that the temperature of Φ 90/38 exhaust single screw extrusion machine from the spout to the mould is 150～210 ℃; It is 60～90rpm with screw speed that the temperature of Φ 120/38 single screw extrusion machine from the spout to the mould is 150～210 ℃.Clamp-on forming mould with the compound of two extruders after simultaneously through divider again with melting; Extrude the finished product that promptly is prepared into the compound RPP building template of novel environment friendly continuously, wherein the template specification of embodiment preparation is regular size: 1830mm * 915mm * 12mm.
Compound RPP building template of novel environment friendly and existing physical and mechanical properties and chemical property contrast situation (seeing table 4) of moulding the Vestolen PP 7052 building template by force that the present invention processes by above-mentioned prescription and preparation method:
Table 4
Can find out that from last table the compound RPP building template of the novel environment friendly of processing by prescription of the present invention has flame retardant properties, mechanical property, corrosion resistance nature, wear resisting property and coefficient of thermal expansion and contraction preferably, facts have proved of working-yard: the mechanical property of the compound RPP building template of novel environment friendly can reach the request for utilization of actual engineering; Good flame retardation effect, the electroslag welding of falling on the panel can be very fast from putting out, and is difficult for scorching panel.The compound RPP building template of novel environment friendly adaptable across high-rise and low-rise building engineering template, bridge and tunnel with panel, water conservancy and the water power construction work etc. of the profiled template of plain form, special design, all kinds of metal frame template systems.
The above is the embodiment of this invention; Above-mentioned not illustrating constitutes restriction to flesh and blood of the present invention; Under the those of ordinary skill of technical field after having read this specification sheets, can make an amendment or be out of shape above-mentioned embodiment, and do not deviate from essence of the present invention and scope.
Claims (1)
1. compound RPP building template of novel environment friendly, it is made up of upper and lower surfaces layer and little foamed core layer, it is characterized in that, and described upper and lower surfaces layer is processed by following weight percentages:
Regenerating polypropylene pellet 50%～70%,
600～1200 purpose white lakes 20%～40%,
Vestolen PP 7052-Dowspray 9 graft copolymer 5%～15%,
7# white oil 1%～5%,
Silicone 0.5%～2.5%,
Antioxidant 1010 0.1%～0.5%,
Auxiliary antioxidant DLTDP 0.1%～0.5%,
UV-531 0.2%～0.8%；
Described little foamed core layer is processed by following weight percentages:
With the polyacrylic master batch 85%～95% of junked tire fine glue powder modification regeneration,
600～1200 purpose potter's clay 1%～10%,
7# white oil 1%～5%,
Blowing agent AC 0.1%～1%,
KZ-110 facilitates bubble stabilizer 1%～6%;
Describedly process by following weight percentages with the polyacrylic master batch of junked tire fine glue powder modification regeneration:
Regenerating polypropylene pellet 55%～75%,
80～120 purpose junked tire fine glue powders 15%～35%,
Vestolen PP 7052-maleic anhydride graft copolymer 5%～15%,
7# white oil 0.5%～3.5%,
Highly efficient regeneration acvator WR510 0.2%～0.8%,
Di Cumyl Peroxide 99 0.1%～0.6%,
Antioxidant 1010 0.1%～0.5%,
Auxiliary antioxidant DLTDP 0.1%～0.5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210017044 CN102604205B (en) | 2012-01-19 | 2012-01-19 | Novel environment-friendly composite reinforced polypropylene building template |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210017044 CN102604205B (en) | 2012-01-19 | 2012-01-19 | Novel environment-friendly composite reinforced polypropylene building template |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102604205A true CN102604205A (en) | 2012-07-25 |
| CN102604205B CN102604205B (en) | 2013-08-21 |
Family
ID=46522010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210017044 Expired - Fee Related CN102604205B (en) | 2012-01-19 | 2012-01-19 | Novel environment-friendly composite reinforced polypropylene building template |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102604205B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2536641A (en) * | 2015-03-23 | 2016-09-28 | Crumb Rubber Ltd | Thermoplastic elastomer composition and a process for its production |
| WO2017035676A1 (en) * | 2015-09-03 | 2017-03-09 | Reutiliza Spa | Method for producing geomembrane |
| CN106496770A (en) * | 2016-09-27 | 2017-03-15 | 柳州市瑞和塑料科技有限责任公司 | A kind of granule modified method for making plastic formwork of waste and old polypropylene |
| CN106496771A (en) * | 2016-09-27 | 2017-03-15 | 柳州市瑞和塑料科技有限责任公司 | A kind of method for improving waste and old polypropylene melt strength |
| CN109651703A (en) * | 2018-12-11 | 2019-04-19 | 陕西固安塑业科技有限公司 | A kind of fire-retardant hollow plastic building template of superficial layer foaming |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101381211A (en) * | 2008-10-16 | 2009-03-11 | 中国科学院长春应用化学研究所 | Method for preparing building mould using various solid wastes |
| CN101429813A (en) * | 2008-12-04 | 2009-05-13 | 中国科学院长春应用化学研究所 | Production method for solid castoff composite multi-story building template |
| CN201818039U (en) * | 2009-11-12 | 2011-05-04 | 靳培军 | Composite reinforced plastic building template |
-
2012
- 2012-01-19 CN CN 201210017044 patent/CN102604205B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101381211A (en) * | 2008-10-16 | 2009-03-11 | 中国科学院长春应用化学研究所 | Method for preparing building mould using various solid wastes |
| CN101429813A (en) * | 2008-12-04 | 2009-05-13 | 中国科学院长春应用化学研究所 | Production method for solid castoff composite multi-story building template |
| CN201818039U (en) * | 2009-11-12 | 2011-05-04 | 靳培军 | Composite reinforced plastic building template |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2536641A (en) * | 2015-03-23 | 2016-09-28 | Crumb Rubber Ltd | Thermoplastic elastomer composition and a process for its production |
| GB2536641B (en) * | 2015-03-23 | 2020-01-01 | Crumb Rubber Ltd | Thermoplastic elastomer composition and a process for its production |
| WO2017035676A1 (en) * | 2015-09-03 | 2017-03-09 | Reutiliza Spa | Method for producing geomembrane |
| CN106496770A (en) * | 2016-09-27 | 2017-03-15 | 柳州市瑞和塑料科技有限责任公司 | A kind of granule modified method for making plastic formwork of waste and old polypropylene |
| CN106496771A (en) * | 2016-09-27 | 2017-03-15 | 柳州市瑞和塑料科技有限责任公司 | A kind of method for improving waste and old polypropylene melt strength |
| CN109651703A (en) * | 2018-12-11 | 2019-04-19 | 陕西固安塑业科技有限公司 | A kind of fire-retardant hollow plastic building template of superficial layer foaming |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102604205B (en) | 2013-08-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102140255B (en) | Hot-press type wood plastic composite for toy and preparation method thereof | |
| CN102922838B (en) | Three-layer coextruded PVC (polyvinylchloride) wood-plastic composite foam board and preparation method thereof | |
| CN103756125B (en) | A kind of PP composite material cross beams of automobile water tank and preparation method | |
| CN102485786B (en) | High strength antistatic polypropylene structural sheet material and preparation method thereof | |
| CN103602008B (en) | High-impact high tenacity high rigidity PVC building template and preparation method thereof | |
| CN102604205B (en) | Novel environment-friendly composite reinforced polypropylene building template | |
| CN102382406B (en) | Polyvinyl butyral foamed material | |
| CN103360656B (en) | A kind of regenerated polythene composition and method of making the same | |
| CN102070810B (en) | Material special for corrugated pipe for high-density polyethylene prestressed concrete and production method thereof | |
| CN102218879B (en) | Waste polypropylene-modified foaming plate and manufacturing method thereof | |
| CN102229790B (en) | Preparation method for bonding material for plastic-aluminum composite product | |
| CN102911455B (en) | PVC/MBS/ACR (Polyvinyl chloride/methyl methacrylate butadiene styrene copolymer/methyl methacrylate-acrylate copolymer) tubing with high impact resistance and preparation method thereof | |
| CN102643480B (en) | Anti-static alloy composite material and preparation method thereof | |
| CN101899178B (en) | Special material for drainage pipeline by modifying waste plastic and preparation method thereof | |
| CN101429813A (en) | Production method for solid castoff composite multi-story building template | |
| CN101880464A (en) | Bamboo-based/thermoplastic plastic nanocomposite material | |
| CN1793213A (en) | Process for preparing foamed filling mother material of EVA (ethylene-acetate ethylene copolymer) | |
| CN103756124A (en) | Polypropylene foaming material, production and preparation method of product | |
| CN106479057A (en) | A kind of low-density and high-strength modified polypropylene material and production method | |
| CN103992589A (en) | Wood-plastic building template produced by utilizing recovered waste material and preparation method thereof | |
| CN104371317A (en) | Matte high-impact PA (polyamide)/ABS (acrylonitrile butadiene styrene) alloy material for automotive interior and preparation method thereof | |
| CN102020814A (en) | Recycled polypropylene modified polrvinyl chloride sectional material and preparation method thereof | |
| CN102558803A (en) | Automobile bumper material and preparation method thereof | |
| CN101914982B (en) | Heat preservation and decoration integrated plate of red mud plastic outer wall and production process thereof | |
| CN111057386A (en) | Nano wood-plastic co-extrusion composite material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 Termination date: 20150119 |
|
| EXPY | Termination of patent right or utility model |