CN102690474A - Weather-resistant coloured coextrusion special paint with metal decorating effect and preparation method thereof - Google Patents
Weather-resistant coloured coextrusion special paint with metal decorating effect and preparation method thereof Download PDFInfo
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- CN102690474A CN102690474A CN2012101849933A CN201210184993A CN102690474A CN 102690474 A CN102690474 A CN 102690474A CN 2012101849933 A CN2012101849933 A CN 2012101849933A CN 201210184993 A CN201210184993 A CN 201210184993A CN 102690474 A CN102690474 A CN 102690474A
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- Prior art keywords
- pipe compound
- weather resistant
- coextrusion
- resistant color
- metal finishing
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/397—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using a single screw
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a weather-resistant coloured coextrusion special paint with a metal decorating effect and a preparation method thereof. The special paint contains base stock, a pigment, a stabilizer, an ultraviolet absorber, an antioxidant and a compatilizer. Compared with the prior art, the weather-resistant coloured coextrusion special paint disclosed by the invention ensures that the section bars can be continuously produced for over 48 hours by preprocessing aluminum powder and the surface of the section bar has the characteristics of high metal texture and favorable weather resistance.
Description
Technical field
The invention belongs to weather resistant color coextrusion PP Pipe Compound that is used for PVC and preparation method thereof, belong to weather resistant color coextrusion PP Pipe Compound with metal finishing effect and preparation method thereof especially.
Background technology
Influenced by energy shortage, building energy conservation receives much concern, and door and window is energy-conservation to be important component part wherein.The PVC plastic door and windows profile, similar because of its PVC material thermal conductivity is extremely low with timber, so under identical structure, the energy-saving effect of its finished product door and window will obviously be superior to other material door and windows, and cost is low.The consumption of plastic door-window is increasing year by year, and the PVC plastic door and windows profile also obtains development at full speed.
Along with growth in the living standard, people increase the demand that reduces currently available products homogeneity characteristic, increase individualized feature day by day.In the materials for construction field, this individual demand shows aspects such as the color difference alienation of products such as building doors and windows, roofing tile, exterior wall cladding and surperficial texture differentiation.
The PVC plastics have many good qualities, and are high such as good rigidly, intensity, cost is low, makes it be well suited for producing plastic door and windows profile, for it provides excellent mechanical property.
But the shortcoming of PVC plastic door and windows profile also clearly, and that is exactly the xanthochromia phenomenon.The xanthochromia phenomenon is caused by the vice proper of PVC material own, and tracing it to its cause is that PVC produces many unstable structures in building-up process, for example head-to-head structure, side chain, uncle's base chlorine etc.; This unstable structure is under the effect of UV-light; Generate radical easily, cause molecular rupture, the increase of unsaturated double-bond; Macro manifestations is the xanthochromia phenomenon, and efflorescence appears in product surface simultaneously.
Another weak point of PVC plastic door and windows profile is; The form and aspect of product are single; With white is main, and decorative effect is poor, can't adapt to the diversified demand of decorating; This point aluminium alloy door window profile is done finely, and they make the section bar surface have abundant colors through technology such as electrophoresis spraying, electrostatic sprayings; If it is painted that the PVC plastic irregular profile is carried out entire body, he will face the problem that always can't overcome in the industry, fade exactly, and chromatic colour fades and takes place just soon more, and the Ministry of Construction stipulates, the outdoor use of the painted PVC plastic irregular profile of restriction entire body.
To such an extent as in China, plastic door-window is the synonym of " low-grade door and window " always.
The colorize that solves the PVC plastic door and windows profile that develops into of co-extrusion technology provides opportunity.Through coextrusion one deck weathering resistance material preferably, solve the relatively poor problem of itself weathering resistance on PVC plastic irregular profile surface.
There are some researches show that the PVC plastic door and windows profile is partly only occurred in the 0.3mm on surface by day photoaging, the ageing-resistant performance that how to improve this thin layer becomes the key of dealing with problems.
The solution of current co-extrusion material commonly used has 2 kinds.
First kind, PVC modified, weather resisting material particle.Through in prescription, increasing the weathering resistance that the ratio of Rutile type Titanium Dioxide, extra interpolation photostabilizer, inhibitor etc. further improve PVC; This method is adapted at using in the white goods, can solve the xanthochromia phenomenon of PVC plastic door-window goods to a certain extent.Yet, because the interpolation of a large amount of white titanium pigments makes the PVC colorize become difficult; Can't obtain satisfied color scheme; If do not use white titanium pigment, only through improving the content of photostabilizer and inhibitor, the colored PVC material that obtains still can't keep color stable for a long time; Even use the pigment of good weatherability also of no avail, mainly be the material generation xanthochromia phenomenons such as efflorescence of fading itself.
Second kind, polymethylmethacrylate (PMMA) acrylonitrile-styrene-acrylic rubber multipolymer (ASA) modified high-weatherability particle.ASA approaching with the SP of PVC material itself, co-extrusion method can make the two well combine, and ASA weathering resistance own all be higher than PVC far away, good heat resistance, metachromatism can not take place in long-term outdoor use.And ASA easy colorizing own, through adding weather-proof color, can realize that long-term outdoor use do not have the effect of obvious variable color through screening.
Imitative metal effect is big a type of artistry colorize effect, is all well used in fields such as coating and paint, but in this field of the weather-proof particle of colour, does not still have preferably and use.Tracing it to its cause is, owing to add a large amount of aluminium silver powder in the prescription, the interface binding power of aluminium silver powder and resin base material is relatively poor; In extrusion, be easy to from resin, separate out, be attached on die surface; Time one is long, will cause the surface of goods that obvious scuffing phenomenon is arranged, and the time of its continuous production colour section bar has only 2-3 hour; Aluminium silver powder is ruined more serious, to such an extent as to last imitative metal effect is unsatisfactory.
Summary of the invention
The 1st technical problem to be solved by this invention provides the weather resistant color coextrusion PP Pipe Compound that a kind of aluminium silver powder is difficult for separating out, metal effect is good.
The preparation method of the 2nd the above-mentioned PP Pipe Compound of technical problem to be solved by this invention.
The technical scheme of technical solution problem of the present invention is: a kind of weather resistant color coextrusion PP Pipe Compound with metal finishing effect, form by following substances in parts by weight:
Described base-material is acrylonitrile-styrene-acrylic rubber multipolymer (ASA) resin, and model is LI970 (Korea S LG)
Described pigment is pretreated aluminium silver powder, white titanium pigment, carbon black, titanium yellow powder, phthalocyanine blue is a kind of or several mixture;
Described pretreated aluminium silver powder prepares through following method: with processing aids acrylic resin as carrier; Aluminium silver powder is coated pre-treatment; Be about to mix under processing aids acrylic resin and the aluminium silver powder room temperature and get final product, wherein to account for the per-cent of gross weight be 20-30% to processing aids acrylic resin; The model of described processing aids acrylic resin is PA21 (Japanese Zhong Yuan).
Described stablizer is a hindered amine light stabilizer, and model is UV770DF (German BASF).
Described uv-absorbing agent is the benzotriazole category UV light absorber, and model is UV326 (German BASF).
Described inhibitor is the composite inhibitor that forms of polynary Hinered phenols antioxidant and phosphite ester kind antioxidant, and model is B215 (German BASF).
Described compatilizer is the liquid compatilizer, and its model is K175 (French A Kema).
Preparing method of the present invention may further comprise the steps:
(1) weighing step: take by weighing base-material, pigment, stablizer, uv-absorbing agent, inhibitor and compatilizer according to prescription;
(2) mixing step: mix for making it, after earlier pigment, stablizer, uv-absorbing agent, inhibitor and compatilizer being mixed, add base-material again and mix to evenly.
(3) granulation step:, make weather resistant color coextrusion PP Pipe Compound with metal finishing effect with the uniform mixture extruding pelletization.
In the described mixing step, mixing the machine that is adopted is low-speed agitator, mixing time 10～15min.
The machine that extruding pelletization adopted in the described granulation step is a single screw extrusion machine, and its screw speed is 200～350rpm, and extrusion temperature is 230～250 ℃, and the dicing machine rotating speed is 600～1500rpm.
The present invention compared with prior art, through aluminium silver powder is carried out pre-treatment, can continuous production more than 48 hours, the section bar surface of producing has that metal-like is strong, the high characteristics of weathering resistance.
Embodiment
Below in conjunction with embodiment the present invention is done detailed explanation.
Embodiment 1:
Present embodiment provides a kind of weather resistant color coextrusion PP Pipe Compound with metallic silver in color decorative effect; Its weight percent that comprises component is: LI970ASA resin 91.7%; Aluminium silver powder (pre-treatment) 1.3%, UV770DF photostabilizer 3%, UV326 UV light absorber 1%; B215 compound antioxidant 2%, K175 compatilizer 1%.
Above-mentioned preparation method with weather resistant color coextrusion PP Pipe Compound of metallic silver in color decorative effect may further comprise the steps:
(1) weighing: take by weighing base-material, pigment, stablizer, uv-absorbing agent, inhibitor and compatilizer according to prescription.
(2) mix: mix for making it, after earlier pigment, stablizer, uv-absorbing agent, inhibitor and compatilizer being mixed, add base-material again and in low-speed agitator, mix, mixing time is 10 ~ 15min.
(3) uniform mixture is added single screw extrusion machine; At rotating speed is 200 ~ 350rpm, and extrusion temperature is 230 ~ 250 ℃, and the dicing machine rotating speed is under the condition of 600 ~ 1500rpm; Extruding pelletization makes the weather resistant color coextrusion PP Pipe Compound with metallic silver in color decorative effect.
Its technical indicator is following:
1. outward appearance presents silvery white, and metal-like is strong, can observe fragmentarily metallic particles of surface;
2. use this particle can be more than the continuous production colour section bar 48h;
3. aging back aberration △ E≤5, △ b≤3 (A method among the GB/T 16422.2-1999 is carried out the 6000h test).
Embodiment 2
Present embodiment provides a kind of weather resistant color coextrusion PP Pipe Compound with metal champagne decorative effect and preparation method thereof; Its weight percent that comprises component is: LI970ASA resin 90%; Pigment 3.2%, UV770DF photostabilizer 3%, UV326 UV light absorber 1%; B215 compound antioxidant 2%, K175 compatilizer 0.8%.
Concrete pigment weight per-cent is: white titanium pigment 37.9%, carbon black 1.7%, titanium yellow powder 44.2%, aluminium silver powder (pre-treatment) 16.2%.
With above-mentioned raw materials extruding pelletization on single screw extrusion machine, can make weather resistant color coextrusion PP Pipe Compound with metal champagne decorative effect.Production process and technology and instance 1 are basic identical.
Its technique effect is following:
1. outward appearance presents bright-coloured champagne, and metal-like is strong, can observe fragmentarily metallic particles of surface;
2. use this particle can be more than the continuous production colour section bar 48h;
3. aging back aberration △ E≤5, △ b≤3 (A method among the GB/T 16422.2-1999 is carried out the 6000h test).
Claims (9)
1. weather resistant color coextrusion PP Pipe Compound with metal finishing effect, form by following substances in parts by weight:
2. a kind of weather resistant color coextrusion PP Pipe Compound with metal finishing effect according to claim 1 is characterized in that:
Described base-material is acrylonitrile-styrene-acrylic rubber copolymer resin.
3. a kind of weather resistant color coextrusion PP Pipe Compound with metal finishing effect according to claim 1 is characterized in that:
Described pigment is pretreated aluminium silver powder, white titanium pigment, carbon black, titanium yellow powder, phthalocyanine blue is a kind of or several mixture.
4. a kind of weather resistant color coextrusion PP Pipe Compound with metal finishing effect according to claim 3 is characterized in that:
Described pretreated aluminium silver powder prepares through following method: as carrier, aluminium silver powder is coated pre-treatment with processing aids acrylic resin, wherein to account for the per-cent of gross weight be 20-30% to processing aids acrylic resin.
5. a kind of weather resistant color coextrusion PP Pipe Compound with metal finishing effect according to claim 1 is characterized in that:
Described stablizer is a hindered amine light stabilizer.
6. a kind of weather resistant color coextrusion PP Pipe Compound with metal finishing effect according to claim 1 is characterized in that:
Described uv-absorbing agent is the benzotriazole category UV light absorber.
7. the preparation method of the described PP Pipe Compound of claim 1 may further comprise the steps:
(1) weighing step: take by weighing base-material, pigment, stablizer, uv-absorbing agent, inhibitor and compatilizer according to prescription;
(2) mixing step: mix for making it, after earlier pigment, stablizer, uv-absorbing agent, inhibitor and compatilizer being mixed, add base-material again and mix to evenly;
(3) granulation step:, make weather resistant color coextrusion PP Pipe Compound with metal finishing effect with the uniform mixture extruding pelletization.
8. the preparation method of PP Pipe Compound according to claim 7 is characterized in that:
In the described mixing step, mixing the machine that is adopted is low-speed agitator, mixing time 10～15min.
9. the preparation method of PP Pipe Compound according to claim 7 is characterized in that:
The machine that extruding pelletization adopted in the described granulation step is a single screw extrusion machine, and its screw speed is 200～350rpm, and extrusion temperature is 230～250 ℃, and the dicing machine rotating speed is 600～1500rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101849933A CN102690474A (en) | 2012-06-07 | 2012-06-07 | Weather-resistant coloured coextrusion special paint with metal decorating effect and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101849933A CN102690474A (en) | 2012-06-07 | 2012-06-07 | Weather-resistant coloured coextrusion special paint with metal decorating effect and preparation method thereof |
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| CN102690474A true CN102690474A (en) | 2012-09-26 |
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| CN2012101849933A Pending CN102690474A (en) | 2012-06-07 | 2012-06-07 | Weather-resistant coloured coextrusion special paint with metal decorating effect and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103131100A (en) * | 2012-12-18 | 2013-06-05 | 桐乡市多成新材料科技有限公司 | Polyvinyl chloride (PVC) imitating metal materials |
| CN104212107A (en) * | 2014-09-17 | 2014-12-17 | 佛山市凯粤天雄塑料科技有限公司 | Highly-weather-resistant type ASA (acrylonitrile Styrene acrylate copolymer)-based color co-extrusion material with low heat absorption effect and preparation method thereof |
| CN104629206A (en) * | 2013-11-06 | 2015-05-20 | 金发科技股份有限公司 | Spraying-free PVC composition having special aesthetic effects and preparation method and application thereof |
| CN104804354A (en) * | 2015-04-27 | 2015-07-29 | 青岛科技大学 | Spraying-free weather-proof metal texture ASA composite and preparation method thereof |
| CN108610594A (en) * | 2018-05-21 | 2018-10-02 | 芜湖创科新材料科技有限公司 | A kind of ASA composite material and preparation process that acid resistance is good |
| CN111051640A (en) * | 2017-09-07 | 2020-04-21 | 乐金华奥斯株式会社 | Synthetic resin section bar with metal texture for window |
| CN112266720A (en) * | 2020-09-27 | 2021-01-26 | 广东美涂士建材股份有限公司 | Metallic acrylic coating |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103131100A (en) * | 2012-12-18 | 2013-06-05 | 桐乡市多成新材料科技有限公司 | Polyvinyl chloride (PVC) imitating metal materials |
| CN104629206A (en) * | 2013-11-06 | 2015-05-20 | 金发科技股份有限公司 | Spraying-free PVC composition having special aesthetic effects and preparation method and application thereof |
| CN104212107A (en) * | 2014-09-17 | 2014-12-17 | 佛山市凯粤天雄塑料科技有限公司 | Highly-weather-resistant type ASA (acrylonitrile Styrene acrylate copolymer)-based color co-extrusion material with low heat absorption effect and preparation method thereof |
| CN104212107B (en) * | 2014-09-17 | 2017-10-20 | 广东天雄新材料科技股份有限公司 | A kind of high durable type ASA base color coextrusion material with low endothermic effect and preparation method thereof |
| CN104804354A (en) * | 2015-04-27 | 2015-07-29 | 青岛科技大学 | Spraying-free weather-proof metal texture ASA composite and preparation method thereof |
| CN104804354B (en) * | 2015-04-27 | 2017-10-03 | 青岛科技大学 | One kind is exempted to spray weather-proof metal-like ASA composite material and preparation method thereof |
| CN111051640A (en) * | 2017-09-07 | 2020-04-21 | 乐金华奥斯株式会社 | Synthetic resin section bar with metal texture for window |
| CN108610594A (en) * | 2018-05-21 | 2018-10-02 | 芜湖创科新材料科技有限公司 | A kind of ASA composite material and preparation process that acid resistance is good |
| CN112266720A (en) * | 2020-09-27 | 2021-01-26 | 广东美涂士建材股份有限公司 | Metallic acrylic coating |
| CN112266720B (en) * | 2020-09-27 | 2021-10-26 | 广东美涂士建材股份有限公司 | Metallic acrylic coating |
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Application publication date: 20120926 |