CN103772826A - Environmental-friendly and durable composite building formwork and preparation method thereof - Google Patents
Environmental-friendly and durable composite building formwork and preparation method thereof Download PDFInfo
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- CN103772826A CN103772826A CN201410011151.7A CN201410011151A CN103772826A CN 103772826 A CN103772826 A CN 103772826A CN 201410011151 A CN201410011151 A CN 201410011151A CN 103772826 A CN103772826 A CN 103772826A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/14—Copolymers of propene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G9/00—Forming or shuttering elements for general use
- E04G9/02—Forming boards or similar elements
- E04G9/05—Forming boards or similar elements the form surface being of plastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/02—2 layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2266/00—Composition of foam
- B32B2266/02—Organic
- B32B2266/0214—Materials belonging to B32B27/00
- B32B2266/025—Polyolefin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2305/00—Condition, form or state of the layers or laminate
- B32B2305/02—Cellular or porous
- B32B2305/022—Foam
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/14—Applications used for foams
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
Abstract
The invention relates to a building formwork formula and a preparation method thereof and provides an environmental-friendly and durable composite building formwork and a preparation method thereof. The composite building formwork consists of surface layers and a foam core layer, wherein a surface layer material contains the following ingredients: regenerated PP-R particles, polypropylene-graphite graft copolymer, tetra[beta-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]pentaerythritol, dilauryl thiodipropionate and 2-hydroxy-4-n-octyloxy benzophenone. The method comprises the steps of carrying out stirring and extruded granulation on the materials so as to prepare a master batch, and extruding the prepared master batch by a screw extruder, thereby preparing the formwork. According to the environmental-friendly and durable composite building formwork and the preparation method thereof, the formwork which is prepared through re-processing and utilizing waste/used PP-R pipeline materials has good flame retardance and mechanical properties, the surface layer material is difficultly scalded by welding slag, the raw material cost is low, and the whole production process is beneficial to industrialization, so that the waste is changed into the valuable, and the environment is benefited.
Description
Technical field
The present invention relates to a kind of template, be specifically related to formula of a kind of template for building and preparation method thereof.
Background technology
Building template is formwork and the support that concrete placement is shaped, and traditional have wooden form, combined steel formwork, bamboo wooden agglutination formwork, an all-steel big shuttering.And plastic mould is to start the building template that China brings into use the eighties.Plastic mould with its can repeatedly use, durable in use, can recycle, good stability of the dimension, be convenient to mold and produce, and its excellent anti-corrosion performance, therefore obtained application widely.
But in the prior art, normally utilize polyolefine as template base material, be generally select sexual valence higher PP-R material, i.e. atactic copolymerized polypropene.But welding slag when it still has easily by building operation scorches, in addition, template normally utilizes technics of reclaim of plastic waste utilization to make, but its strength and stiffness of template that form by common plastics recovery processes all decline greatly, so, need special process and formula to utilize plastic waste to prepare to meet the building template of user demand.
Summary of the invention
Main purpose of the present invention is to provide a kind of environmental protection, durable complex architectural template and preparation method thereof.
For achieving the above object, the technical solution used in the present invention is: a kind of complex architectural template, formed by top layer and foamed core layer, described skin-material comprises following components by weight percent: 80-90 part regeneration PP-R particle, 5-10 part polypropylene-graphite graft copolymer, 1.5-7.5 part four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, the two lauryl alcohol esters of 0.1-0.5 part thio-2 acid, 0.2-0.8 part Octabenzone.
Polypropylene-graphite graft copolymer is the graft copolymer after polypropylene grafted graphite, as prepared polypropylene/graphite nano composite materials of people such as the Quan Chengzi of polymer science and engineering institute of Sichuan University.Regeneration PP-R particle is the PP-R particle of common recovery, the PP-R particle of making through thawing, kneading, granulation by the waste or used plastics of PP-R material.The antioxidant 1010 that four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester is commonly called as, the two lauryl alcohol esters of thio-2 acid are oxidation inhibitor DLTDP, Octabenzone is ultraviolet absorbent UV-531.
Further preferred, described skin-material comprises following components by weight percent: 85-90 part regeneration PP-R particle, 8-10 part polypropylene-graphite graft copolymer, 4-6 part four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, the two lauryl alcohol esters of 0.2-0.4 part thio-2 acid, 0.5-0.6 part Octabenzone.
Further, described foamed core layer material comprises following components by weight percent: 65-75 part modification regeneration PP-R particle, 20-40 part PEP master batch, 0.3-0.5 part whipping agent, 1-6 part foaming stabiliser, 1.5-7.5 part four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, the two lauryl alcohol esters of 0.1-0.5 part thio-2 acid.
PEP master batch is s-generation polyolefin packing material, is the masterbatch of producing as vector resin take Low Density Polyethylene (1F7B).Whipping agent is to allow plastic foamed preparation, as Cellmic C 121 (AC), and dinitroso pentamethylene tetramine (DPT) etc.Foaming stabiliser can reduce plastic foamed plastic degradation, stablizes the reagent of foaming process, as azodicarbonic acid amine potassium formiate (AP) etc.
Further, described foaming stabiliser is for facilitating bubble stabilizer KZ-110.Further preferred, described whipping agent is German PP whipping agent Vesicant-2, and by Shenzhen, Ying Quan Chemical Co., Ltd. sells.
Further, described modification regeneration PP-R is made up of following components by weight percent: 50-70 part waste PP-R plastic conduit particle, 5-15 part polypropylene-maleic anhydride graft copolymer, 0.2-0.8 part activator, 0.1-0.6 part dicumyl peroxide, 0.1-0.5 part four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, the two lauryl alcohol esters of 0.1-0.5 part thio-2 acid.
Waste PP-R plastic conduit particle is the particle that the pipeline of waste PP-R material obtains through fragmentation, and activator is rubber activator, makes recycled plastic granules surface have more active groups that can react.
Further, described regeneration PP-R particle be to prepare in accordance with the following methods: 50-70 part waste PP-R plastic conduit particle, 0.2-0.8 part activator are put into kneader, be uniformly mixed 5-15min at 80-110 ℃ of temperature after, extrude granulating by forcing machine, be cooled to room temperature and be regeneration PP-R particle.
The preparation method of described skin-material comprises step:
A. mediate: the PP-R particle of regenerating, polypropylene-graphite graft copolymer, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, the two lauryl alcohol esters of thio-2 acid, Octabenzone are put into kneader high-temperature stirring 5-15min;
B. extruding pelletization: the mixing after stirring is sent in forcing machine, stirs in 160-210 ℃ the master batch of extruding granulating after mixing and obtain preparation table layer material.
The preparation method of described modification regeneration PP-R particle comprises step:
A. activation: waste PP-R plastic conduit particle, the activator of calculated amount are put into kneader, be uniformly mixed after 5-15min at 80-110 ℃ of temperature, be cooled to room temperature and be regeneration PP-R particle;
B. batch mixing: by the regeneration PP-R particle of calculated amount, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] the two lauryl alcohol esters of pentaerythritol ester, thio-2 acid add kneader, at 70-90 ℃ of temperature, be uniformly mixed 5-15min, in whipping process, add dicumyl peroxide;
C. the mixture of extruding pelletization: step b is sent in forcing machine, after 160-200 ℃ of stirring is mixing, extrudes granulating.
Further, described activator is WR510, i.e. the WR-510 activator of Turpan, Xinjiang Guo Xing rubber Trade Co., Ltd..
In technique scheme, the consumption of each component is the optimum feed stock ratio that participates in reaction, but the variation that those skilled in the art can instruction according to the present invention be equal to.For example: because the parameter that the error of industrial production itself causes change with technical scheme of the present invention be equal to, on formula of the present invention basis, composite other assisted and is equal to by agent and technical scheme of the present invention.
The present invention's beneficial effect is compared with prior art:
1, skin-material of the present invention has good mechanics, fire-retardant and wear resisting property.As compatilizer and coordination fire retardant, can not only improve the mechanical property of moulding by force polypropylene building template with polypropylene-graphite graft copolymer, can also improve the oxygen index of moulding by force polypropylene building template, when construction, welding slag is difficult for scorching form surfacing;
2, the present invention utilizes the main chemical compositions of waste PP-R plastic conduit particle to carry out physical blending and chemical modification to moulding by force polypropylene building template, can improve the mechanical property of moulding by force polypropylene building template, expansion ratio, coefficient of thermal expansion and contraction, ageing-resistant performance, wear resisting property, high temperature performance and anti-fatigue performance, reduce high melt strength, propylene, four [β-(3, 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, the consumption of the expensive additives for plasticss such as the two lauryl alcohol esters of thio-2 acid, not only save resource but also reduced pollution, but also reduce raw materials cost, the particularly important is the novel method that has found recycling waste PP-R plastic conduit, widen the market segment of waste PP-R plastics, be conducive to the development of recycling economy,
3, the balance between anti-flaming function and the mechanical property of the compound durable polypropylene building template of novel environment friendly provided by the invention is 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 feature of suitability for industrialized production.
Embodiment
For those skilled in the art are known and technical scheme clearly of the present invention more, spy provides preferred embodiment below, but technological thought of the present invention is not limited to following examples.
Embodiment mono-
Waste PP-R plastic conduit particle, the 0.2kg activator WR510 of 50kg are put into kneader, at 110 ℃ of temperature, be uniformly mixed after 10min, be cooled to the room temperature PP-R particle of must regenerating; By the regeneration PP-R particle making, 0.1kg tetra-[β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] the two lauryl alcohol esters (DLTDP) of pentaerythritol ester (antioxidant 1010), 0.2kg thio-2 acid add kneader, at 80 ℃ of temperature, be uniformly mixed 15min, in whipping process, add 0.4kg dicumyl peroxide; Mixture is sent in forcing machine, after 160 ℃ of stirrings are mixing, extruded granulating and obtain modification regeneration PP-R particle.
80kg waste PP-R plastic conduit particle, 0.8kg activator WR510 are put into kneader, extrude granulating by forcing machine be uniformly mixed 15min at 80 ℃ of temperature after, be cooled to the room temperature PP-R particle of must regenerating.
Adopt Φ 120/38 single screw extrusion machine, Φ 90/38 air discharge single-screw forcing machine Co-polypropylene sheet material unit, by the regeneration PP-R particle making, 8.1kg polypropylene-graphite graft copolymer, 7.6kg antioxidant 1010,0.5kg TLDTP, 0.3kg2-hydroxyl-4-oxy-octyl benzophenone (uv-531) by vacuum automatic charging machine by the material Φ 90/38 air discharge single-screw forcing machine hopper of making a gift to someone; By make modification regeneration PP-R master batch, 31.4kg PEP master batch, 0.4kg Germany PP whipping agent (Vesicant-2) particle, 4.5kgKZ-110 foaming stabiliser, 5.6kg antioxidant 1010,0.4kg DLTDP are put into after Z-type mixing machine stirring 10min, by vacuum automatic charging machine by the material Φ 120/38 single screw extrusion machine hopper of making a gift to someone.The temperature of Φ 90/38 air discharge single-screw forcing machine from spout to mould is that 180 ℃, screw speed are 90rpm, and the temperature of Φ 120/38 single screw extrusion machine from spout to mould is that 180 ℃, screw speed are 90rpm.By two extruders, the compound after melting is clamp-oned to forming mould by material by divider more simultaneously, extrude continuously and be prepared into building template product.
Embodiment bis-
Waste PP-R plastic conduit particle, the 0.5kg activator WR510 of 50kg are put into kneader, at 110 ℃ of temperature, be uniformly mixed after 10min, be cooled to the room temperature PP-R particle of must regenerating; The regeneration PP-R particle, 0.3kg antioxidant 1010, the 0.5kg DLTDP that make are added to kneader, at 85 ℃ of temperature, be uniformly mixed 5min, in whipping process, add 0.2kg dicumyl peroxide; Mixture is sent in forcing machine, after 190 ℃ of stirrings are mixing, extruded granulating and obtain modification regeneration PP-R particle.
80kg waste PP-R plastic conduit particle, 0.3kg activator WR510 are put into kneader, extrude granulating by forcing machine be uniformly mixed 10min at 100 ℃ of temperature after, be cooled to the room temperature PP-R particle of must regenerating.
Adopt Φ 120/38 single screw extrusion machine, Φ 90/38 air discharge single-screw forcing machine Co-polypropylene sheet material unit, by the regeneration PP-R particle making, 9kg polypropylene-graphite graft copolymer, 4.5kg antioxidant 1010,0.3kg TLDTP, 0.5kg uv-531 by vacuum automatic charging machine by the material Φ 90/38 air discharge single-screw forcing machine hopper of making a gift to someone; By make modification regeneration PP-R master batch, 32kg PEP master batch, 0.4kg Germany PP whipping agent (Vesicant-2) particle, 4.8kg KZ-110 foaming stabiliser, 2.8kg antioxidant 1010,0.2kgDLTDP are put into after Z-type mixing machine stirring 15min, by vacuum automatic charging machine by the material Φ 120/38 single screw extrusion machine hopper of making a gift to someone.The temperature of Φ 90/38 air discharge single-screw forcing machine from spout to mould is that 200 ℃, screw speed are 80rpm, and the temperature of Φ 120/38 single screw extrusion machine from spout to mould is that 200 ℃, screw speed are 80rpm.By two extruders, the compound after melting is clamp-oned to forming mould by material by divider more simultaneously, extrude continuously and be prepared into building template product.
Embodiment tri-
Waste PP-R plastic conduit particle, the 0.5kg activator WR510 of 50kg are put into kneader, at 110 ℃ of temperature, be uniformly mixed after 10min, be cooled to the room temperature PP-R particle of must regenerating; The regeneration PP-R particle, 0.4kg antioxidant 1010, the 0.2kg DLTDP that make are added to kneader, at 70 ℃ of temperature, be uniformly mixed 5min, in whipping process, add 0.3kg dicumyl peroxide; Mixture is sent in forcing machine, after 180 ℃ of stirrings are mixing, extruded granulating and obtain modification regeneration PP-R particle.
80kg waste PP-R plastic conduit particle, 1.3kg activator WR510 are put into kneader, extrude granulating by forcing machine be uniformly mixed 15min at 110 ℃ of temperature after, be cooled to the room temperature PP-R particle of must regenerating.
Adopt Φ 120/38 single screw extrusion machine, Φ 90/38 air discharge single-screw forcing machine Co-polypropylene sheet material unit, by the regeneration PP-R particle making, 5.7kg polypropylene-graphite graft copolymer, 3.8kg antioxidant 1010,0.4kg TLDTP, 0.5kg uv-531 by vacuum automatic charging machine by the material Φ 90/38 air discharge single-screw forcing machine hopper of making a gift to someone; By make modification regeneration PP-R master batch, 24.6kg PEP master batch, 0.2kg Germany PP whipping agent (Vesicant-2) particle, 2.5kg KZ-110 foaming stabiliser, 4.1kg antioxidant 1010,0.2kg DLTDP are put into after Z-type mixing machine stirring 10min, by vacuum automatic charging machine by the material Φ 120/38 single screw extrusion machine hopper of making a gift to someone.The temperature of Φ 90/38 air discharge single-screw forcing machine from spout to mould is that 150 ℃, screw speed are 60rpm, and the temperature of Φ 120/38 single screw extrusion machine from spout to mould is that 150 ℃, screw speed are 60rpm.By two extruders, the compound after melting is clamp-oned to forming mould by material by divider more simultaneously, extrude continuously and be prepared into building template product.
The product that embodiment 1 is made is made the thickness of 2400mm × 1200mm × 12mm, and according to standard, GB/T17657-1999 detects, and test result is as shown in table 1:
Table 1 test result
| Test item | Measure unit | Measured result |
| 72h water-intake rate | % | 0 |
| 72h thickness swelling rate | % | 0 |
| Tensile strength | Mpa | 17.4 |
| Plate face is held screw power | N | 3060 |
| The water-fast steam performance in surface | - | Surface is without phenomenons such as projection, be full of cracks, variable colors |
| Acid-alkali-corrosive-resisting performance | - | Test specimen is without softening and corrosion phenomenon |
| MOR | MPa | 36.1 |
| Young's modulus | MPa | 1380 |
Claims (10)
1. a complex architectural template, formed by top layer and foamed core layer, it is characterized in that: described skin-material comprises following components by weight percent: 80-90 part regeneration PP-R particle, 5-10 part polypropylene-graphite graft copolymer, 1.5-7.5 part four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, the two lauryl alcohol esters of 0.1-0.5 part thio-2 acid, 0.2-0.8 part Octabenzone.
2. complex architectural template according to claim 1, it is characterized in that: described skin-material comprises following components by weight percent: 85-90 part regeneration PP-R particle, 8-10 part polypropylene-graphite graft copolymer, 4-6 part four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, the two lauryl alcohol esters of 0.2-0.4 part thio-2 acid, 0.5-0.6 part Octabenzone.
3. complex architectural template according to claim 1 and 2, it is characterized in that: described foamed core layer material comprises following components by weight percent: 65-75 part modification regeneration PP-R particle, 20-40 part PEP master batch, 0.3-0.5 part whipping agent, 1-6 part foaming stabiliser, 1.5-7.5 part four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, the two lauryl alcohol esters of 0.1-0.5 part thio-2 acid.
4. complex architectural template according to claim 3, is characterized in that: described foaming stabiliser is for facilitating bubble stabilizer KZ-110.
5. complex architectural template according to claim 4, it is characterized in that: described modification regeneration PP-R is made up of following components by weight percent: 50-70 part waste PP-R plastic conduit particle, 5-15 part polypropylene-maleic anhydride graft copolymer, 0.2-0.8 part activator, 0.1-0.6 part dicumyl peroxide, 0.1-0.5 part four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, the two lauryl alcohol esters of 0.1-0.5 part thio-2 acid.
6. complex architectural template according to claim 1 and 2, it is characterized in that: described regeneration PP-R particle be to prepare in accordance with the following methods: 50-70 part waste PP-R plastic conduit particle, 0.2-0.8 part activator are put into kneader, be uniformly mixed 5-15min at 80-110 ℃ of temperature after, extrude granulating by forcing machine, be cooled to room temperature and be regeneration PP-R particle.
7. complex architectural template according to claim 6, is characterized in that: described activator is WR510.
8. the preparation method of skin-material according to claim 1 and 2, is characterized in that: comprise step:
A. mediate: the PP-R particle of regenerating, polypropylene-graphite graft copolymer, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, the two lauryl alcohol esters of thio-2 acid, Octabenzone are put into kneader high-temperature stirring 5-15min;
B. extruding pelletization: the mixing after stirring is sent in forcing machine, stirs in 160-210 ℃ the master batch of extruding granulating after mixing and obtain preparation table layer material.
9. the preparation method of modification regeneration PP-R particle according to claim 5, is characterized in that: comprise step:
A. activation: waste PP-R plastic conduit particle, the activator of calculated amount are put into kneader, be uniformly mixed after 5-15min at 80-110 ℃ of temperature, be cooled to room temperature and be regeneration PP-R particle;
B. batch mixing: by the regeneration PP-R particle of calculated amount, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] the two lauryl alcohol esters of pentaerythritol ester, thio-2 acid add kneader, at 70-90 ℃ of temperature, be uniformly mixed 5-15min, in whipping process, add dicumyl peroxide;
C. the mixture of extruding pelletization: step b is sent in forcing machine, after 160-200 ℃ of stirring is mixing, extrudes granulating.
10. the preparation method of modification regeneration PP-R particle according to claim 9, is characterized in that: described activator is WR510.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410011151.7A CN103772826A (en) | 2014-01-10 | 2014-01-10 | Environmental-friendly and durable composite building formwork and preparation method thereof |
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| CN201410011151.7A CN103772826A (en) | 2014-01-10 | 2014-01-10 | Environmental-friendly and durable composite building formwork and preparation method thereof |
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| CN103772826A true CN103772826A (en) | 2014-05-07 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201221196Y (en) * | 2008-06-25 | 2009-04-15 | 靳培军 | Composite plastic building shuttering |
| CN103044781A (en) * | 2013-01-23 | 2013-04-17 | 苏州润佳工程塑料股份有限公司 | High-modulus low-shrinkage low-filling polypropylene composite material |
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2014
- 2014-01-10 CN CN201410011151.7A patent/CN103772826A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201221196Y (en) * | 2008-06-25 | 2009-04-15 | 靳培军 | Composite plastic building shuttering |
| CN103044781A (en) * | 2013-01-23 | 2013-04-17 | 苏州润佳工程塑料股份有限公司 | High-modulus low-shrinkage low-filling polypropylene composite material |
Non-Patent Citations (4)
| Title |
|---|
| 全成子等: "《聚丙烯/石墨导电纳米复合材料的制备与性能》", 《高分子学报》 * |
| 卓昌明: "《聚丙烯泡沫塑料》", 《塑料应用技术手册》 * |
| 应宗荣等: "《聚丙烯/石墨副耳环材料的导电与阻燃性能研究》", 《中国塑料》 * |
| 王文广: "《塑料配方设计》", 30 September 2001, 化学工业出版社 * |
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