CN102627816A - Spraying-free unleaded fridge door vertical column and production method thereof - Google Patents
Spraying-free unleaded fridge door vertical column and production method thereof Download PDFInfo
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- CN102627816A CN102627816A CN2012101237655A CN201210123765A CN102627816A CN 102627816 A CN102627816 A CN 102627816A CN 2012101237655 A CN2012101237655 A CN 2012101237655A CN 201210123765 A CN201210123765 A CN 201210123765A CN 102627816 A CN102627816 A CN 102627816A
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- extrusion
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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
- B29C48/25—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
Abstract
The invention discloses a spraying-free unleaded fridge door vertical column and a production method thereof. The production method comprises manufacturing modified polymethyl methacrylate (PMMA), modified resin acrylonitrile-styrene-acrylic rubber (ASA), acrylic auxiliaries, plasticizers, unleaded stabilizers, gold powder, carbon black and chlorinated polyethylene into shell particles; and adding polyvinyl chloride (PVC) resin and calcium powder in the base stock into a high mixing machine for mixing to 75-85 DEG C, adding the unleaded stabilizers, paraffin wax, flexibilizers, soybean oil, the modified PMMA, the modified resin ASA, silver powder, stearic acid and black powder for mixing together to 105 DEG C, then placing the mixture into a low mixing machine for cooling mixing to 35-45 DEG C, sending the mixture into a hopper of a double-screw extruder, starting a single-screw co-extrusion machine connected beside a main engine mould head while forming the base stock through extrusion, adding the shell particles into a hopper of the single-screw co-extrusion machine, co-extruding the shell particles onto the surface of the base stock through a composite co-extrusion mould head installed on the double-screw extruder, and then sizing and cooling to obtain a finished product. The spraying-free unleaded fridge door vertical column changes secondary formation of a traditional spraying process, saves cost, and has the advantages of being good in aging resistance and protecting the environment.
Description
Technical field
The present invention relates to a kind of refrigerator door column and working method thereof, be specifically related to a kind of exempt to spray leadless refrigerator door pillar and working method thereof.
Background technology
Traditional refrigerator door column product is by single-material extrusion mouldings such as rigid polyvinyl chloride (UPVC), ABS, adopts methods such as spraying and overlay film to process then, and obviously there is following defective in the door pillar product of producing in this way:
(1) product appearance is of poor quality, glossiness is low; Want to reach exterior decorative effects such as light, pearliness, marble decorative pattern, metal color; Production technique just can only be through surperficial secondary spraying; This kind spray process method is contaminate environment not only; And production cost is quite high, the surface of even more serious is plastic prod in spraying process, receive cause in use existing behind the solvent corrosion easy to crack, be prone to come off, irregular colour is even, the coarse problem such as of low grade of product, directly influences quality product and work-ing life.
(2) though the refrigerator door column surface gloss that the similar aluminium alloy type material processing method of existing employing is produced on the market is high, the extrusion machinery line can't overcome.
(3) the overlay film product exist and meet that heat comes unstuck, meets that cold layering is casted off a skin, defectives such as fugitive color and not environmental protection.
(4) to exist photoaging be the weathering resistance problem for the refrigerator door column product of traditional technology and material produce and sprayed product, and under the irradiation of light, the ultraviolet composition in the light wave makes the C-Cl bond rupture among the PVC aging; The phenomenon of fading of turning to be yellow appears; Make the C=C among the ABS open formation C-C structure, cause the physical strength of ABS material to reduce, process the product embrittlement; Check surface, and then cause the rupture failure of material.
Summary of the invention
Technical problem to be solved by this invention provides that a kind of ageing resistance is good, environmental protection exempt to spray the leadless refrigerator door pillar.The present invention also provides this to exempt to spray the working method of leadless refrigerator door pillar.
For solving the problems of the technologies described above, of the present inventionly exempt to spray the leadless refrigerator door pillar, process by lining and base-material, in weight part:
The raw material of said lining is: modified PMMA 25, and modified resin ASA 25, ACR 3, plasticizer DOP 3, no lead stabilizer 2, bronze 1, carbon black 0.2, chlorinatedpolyethylene 2;
The raw material of said base-material is: polyvinyl chloride resin 70, ACR auxiliary agent 2, no lead stabilizer 4, paraffin 0.6, toughner 2, VT 18 2, calcium powder 40, modified PMMA 100, modified resin ASA 30, silver powder 10, Triple Pressed Stearic Acid 0.1, black powder 0.05.
Above-mentionedly exempt to spray leadless refrigerator door pillar working method and be:
The raw material of said lining after carrying out 102 ℃ of mixing on the mixer, is processed the lining particle through tablets press again; With said base
Polyvinyl chloride resin in the material and calcium powder join in the high mixer, and be mixing to 75～85 ℃, adds remaining raw material in the base-material; Mixing together after 105 ℃; Put into the low machine that mixes and carry out cold mixing, send into the hopper of twin screw extruder, in the base-material extrusion molding, start the single screw rod co-extrusion machine that is connected main frame die head next door to 35～45 ℃; The lining particle is added in the hopper of single screw rod co-extrusion machine; Through being installed in the composite co-extruding die head on the twin screw extruder, the lining co-extrusion to the base-material surface, is got finished product again after typing, cooling.
The temperature of above-mentioned single screw rod co-extrusion machine is set at: 160 ℃ in 1 district, 165 ℃ in 2 districts, 175 ℃ of 3 districts, 170 ℃, mouthful moulds; The temperature of twin screw extruder is set at: 220 ℃ in 1 district, 210 ℃ in 2 districts, 180 ℃ of 3 districts, 195 ℃, mouthful moulds.
The present invention exempts to spray the leadless refrigerator door pillar and is processed by base-material and lining; And through single screw rod co-extrusion machine and twin screw extruder compound extrusion moulding; The lining of molten state has just formed the very thin coextruded layer of one deck on the base-material surface; Thoroughly change the post forming of conventional spray paint technology, saved machining period, labor cost and material cost.Solved the matching problem of materials processed temperature, can make several kinds of plastic material stratiform stacks compound, disposal molding; Solve problems such as the plastics visual appearance is poor, weathering resistance is poor, production efficiency is low, work-ing life is short, be widely used in industries such as refrigerator, air-conditioning, washing machine, freezing, building, communication, electric power.Solved the photoaging problem of plastic co-extrusion product exposed surface; Improve weathering resistance, anti-wiping and chemical resistance; The refrigerator door column product of being produced is connected firmly, attractive in appearance, smooth finish good, good planeness, anti-aging; Prolonged work-ing life, solved traditional technology and produced the contradiction between door pillar surface (glossiness, impurity etc.) and the production efficiency.The refrigerator door column product appearance that modified composite material is produced is attractive in appearance; Can produce the composite plastic refrigerator door column product of multiple different appearance such as marble decorative pattern, pearliness, metal color through the combination of different plastic materials; Do not need the secondary spraying, do not have the solvent corrosion surface in the spraying process.High firmness, high resistant material form resist on the door pillar surface, and anti-wiping, no marking make product in use not have cracking hidden danger.Use no lead stabilizer, product reliability is high, pollution-free, environmental protection and energy saving.The door pillar series products of producing has the epoch characteristic, has improved the class of product, thereby has made the product demand client improve the market competitiveness and occupation rate, becomes client's profit growth point.
Embodiment
Lining of exempting to spray the leadless refrigerator door pillar of the present invention is processed by following raw materials according:
Modified PMMA 25kg, modified resin ASA 25kg, ACR auxiliary agent 3kg, plasticizer DOP 3kg, no lead stabilizer 2kg, bronze 1kg, carbon black 0.2kg, chlorinatedpolyethylene 2kg;
Base-material is processed by following raw materials according:
Polyvinyl chloride resin 70kg, ACR auxiliary agent 2kg, no lead stabilizer 4kg, paraffin 0.6kg, toughner 2kg, VT 18 2kg, calcium powder 40kg, modified PMMA 100kg, modified resin ASA 30kg, silver powder 10kg, Triple Pressed Stearic Acid 0.1kg, black powder 0.05kg.
Raw material of the present invention is Industrial products, like polyvinyl chloride resin model G5, is produced by Wuhan Xianglong Power Industry Co., Ltd.; The ACR auxiliary agent is opened up macromolecular material ltd by Shandong generation and is produced, and unleaded stablizer model XXC-1AF is produced by Nanjing favour grace plastics Science and Technology Ltd.; Paraffin model CH-4A is produced by Shanghai China wing auxiliary chemicals ltd; Toughner is produced by the sincere Rong Huagong of Dongguan City ltd; Modified PMMA is produced by Dongguan City China bright plastics Science and Technology Ltd.; Modified resin ASA is produced by logical plastic cement ltd of Shenyang section; Silver powder is produced by Ningbo Jingxin Electron Material Co., Ltd.; Black powder is produced by glad letter in Xiamen and pigment ltd.
The working method of exempting to spray the leadless refrigerator door pillar of the present invention:
With raw material of fabric modified PMMA 25kg, modified resin ASA 25kg, ACR auxiliary agent 3kg; Plasticizer DOP 3kg, no lead stabilizer 2kg, bronze 1kg; Carbon black 0.2kg, chlorinatedpolyethylene 2kg processes the lining particle through tablets press again after carrying out 102 ℃ of mixing on the mixer;
Polyvinyl chloride resin 70kg in the base-material and calcium powder 40kg are joined in the high mixer; Mixing to 75～85 ℃; Add no lead stabilizer 4kg, paraffin 0.6kg, toughner 2kg, VT 18 2kg, modified PMMA 100kg, modified resin ASA30kg, silver powder 10kg, Triple Pressed Stearic Acid 0.1kg, black powder 0.05kg is mixing together after 105 ℃, puts into the low machine that mixes and carries out cold mixing to 35～45 ℃, sends into the hopper of twin screw extruder; Screw rod in barrel promotes to get into twin screw extruder die head extrusion under vacuum; In the base-material extrusion molding, start the single screw rod co-extrusion machine be connected twin screw extruder die head next door, the lining of door pillar is added in the hopper of single screw rod co-extrusion machine, promote through the co-extrusion machine screw rod; The lining of molten state gets into and is installed in the composite co-extruding die head on the twin screw extruder; To the base-material surface, the lining of molten state has just formed the very thin coextruded layer of one deck on the base-material surface with the lining co-extrusion, after typing, cooling, gets finished product again.
The equipment that the inventive method is used has subsidiary engine 45 type list screw rod co-extrusion machines and main frame 65 type twin screw extruder compound extrusion mouldings.Before the start main and auxiliaries barrel and a mouthful mould intensification are heated to the technique initialization temperature, the temperature of single screw rod co-extrusion machine is set at: 160 ℃ in 1 district, 165 ℃ in 2 districts, 175 ℃ of 3 districts, 170 ℃, mouthful moulds; The temperature of twin screw extruder is set at: 220 ℃ in 1 district, 210 ℃ in 2 districts, 180 ℃ of 3 districts, 195 ℃, mouthful moulds.
Claims (3)
1. exempt to spray the leadless refrigerator door pillar for one kind, process by lining and base-material, in weight part:
The raw material of said lining is: modified PMMA 25, and modified resin ASA 25, ACR 3, plasticizer DOP 3, no lead stabilizer 2, bronze 1, carbon black 0.2, chlorinatedpolyethylene 2;
The raw material of said base-material is: polyvinyl chloride resin 70, ACR auxiliary agent 2, no lead stabilizer 4, paraffin 0.6, toughner 2, VT 18 2, calcium powder 40, modified PMMA 100, modified resin ASA 30, silver powder 10, Triple Pressed Stearic Acid 0.1, black powder 0.05.
2. claim 1 exempts to spray the working method of leadless refrigerator door pillar, it is characterized in that:
The raw material of said lining after carrying out 102 ℃ of mixing on the mixer, is processed the lining particle through tablets press again; Polyvinyl chloride resin in the said base-material and calcium powder are joined in the high mixer, mixing to 75～85 ℃, add remaining raw material in the base-material; Mixing together after 105 ℃; Put into the low machine that mixes and carry out cold mixing, send into the hopper of twin screw extruder, in the base-material extrusion molding, start the single screw rod co-extrusion machine that is connected main frame die head next door to 35～45 ℃; The lining particle is added in the hopper of single screw rod co-extrusion machine; Through being installed in the composite co-extruding die head on the twin screw extruder, the lining co-extrusion to the base-material surface, is got finished product again after typing, cooling.
3. the working method of exempting to spray the leadless refrigerator door pillar according to claim 2 is characterized in that: the temperature of described single screw rod co-extrusion machine is set at: 160 ℃ in 1 district, 165 ℃ in 2 districts, 175 ℃ of 3 districts, 170 ℃, mouthful moulds; The temperature of described twin screw extruder is set at: 220 ℃ in 1 district, 210 ℃ in 2 districts, 180 ℃ of 3 districts, 195 ℃, mouthful moulds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210123765.5A CN102627816B (en) | 2012-04-26 | 2012-04-26 | Spraying-free unleaded fridge door vertical column and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210123765.5A CN102627816B (en) | 2012-04-26 | 2012-04-26 | Spraying-free unleaded fridge door vertical column and production method thereof |
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| CN102627816A true CN102627816A (en) | 2012-08-08 |
| CN102627816B CN102627816B (en) | 2014-04-09 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103044818A (en) * | 2012-12-26 | 2013-04-17 | 安徽科聚新材料有限公司 | PVC/ASA (polyvinyl chloride/ acrylic-styrene-acrylonitrile copolymer) alloy material and preparation method thereof |
| CN103073824A (en) * | 2013-01-30 | 2013-05-01 | 合肥美的荣事达电冰箱有限公司 | Fabric composition for refrigeration equipment |
| CN103115470A (en) * | 2013-01-30 | 2013-05-22 | 合肥美的荣事达电冰箱有限公司 | Refrigeration equipment door pillar and preparation method thereof |
| CN103148664A (en) * | 2013-01-30 | 2013-06-12 | 合肥美的荣事达电冰箱有限公司 | Plastic product as well as preparation method and refrigeration equipment thereof |
| CN104017297A (en) * | 2014-05-28 | 2014-09-03 | 滁州学院 | Environment-friendly PVC extrusion column and preparation method thereof |
| CN104017296A (en) * | 2014-05-28 | 2014-09-03 | 滁州学院 | Low-cost PVC extrusion column and preparation method thereof |
| CN104017295A (en) * | 2014-05-28 | 2014-09-03 | 滁州学院 | PVC extrusion column and molding technology thereof |
| CN105924848A (en) * | 2016-06-20 | 2016-09-07 | 遵义市乐辉塑业有限公司 | Refrigerator drawer decorating strip and processing technology thereof |
| CN109265893A (en) * | 2018-09-03 | 2019-01-25 | 合肥久新不锈钢厨具有限公司 | A kind of composite material and preparation method thereof for household appliances shell |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103044818A (en) * | 2012-12-26 | 2013-04-17 | 安徽科聚新材料有限公司 | PVC/ASA (polyvinyl chloride/ acrylic-styrene-acrylonitrile copolymer) alloy material and preparation method thereof |
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| CN103073824A (en) * | 2013-01-30 | 2013-05-01 | 合肥美的荣事达电冰箱有限公司 | Fabric composition for refrigeration equipment |
| CN103115470A (en) * | 2013-01-30 | 2013-05-22 | 合肥美的荣事达电冰箱有限公司 | Refrigeration equipment door pillar and preparation method thereof |
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| CN103148664B (en) * | 2013-01-30 | 2015-06-17 | 合肥美的电冰箱有限公司 | Plastic product as well as preparation method and refrigeration equipment thereof |
| CN103115470B (en) * | 2013-01-30 | 2015-10-21 | 合肥美的电冰箱有限公司 | Refrigeration equipment door pillar and preparation method thereof |
| CN104017297A (en) * | 2014-05-28 | 2014-09-03 | 滁州学院 | Environment-friendly PVC extrusion column and preparation method thereof |
| CN104017296A (en) * | 2014-05-28 | 2014-09-03 | 滁州学院 | Low-cost PVC extrusion column and preparation method thereof |
| CN104017295A (en) * | 2014-05-28 | 2014-09-03 | 滁州学院 | PVC extrusion column and molding technology thereof |
| CN105924848A (en) * | 2016-06-20 | 2016-09-07 | 遵义市乐辉塑业有限公司 | Refrigerator drawer decorating strip and processing technology thereof |
| CN109265893A (en) * | 2018-09-03 | 2019-01-25 | 合肥久新不锈钢厨具有限公司 | A kind of composite material and preparation method thereof for household appliances shell |
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|---|---|
| CN102627816B (en) | 2014-04-09 |
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Denomination of invention: Spraying-free unleaded fridge door vertical column and production method thereof Effective date of registration: 20180119 Granted publication date: 20140409 Pledgee: China Co truction Bank Corp Qianshan branch Pledgor: Anhui Xiongfeng Industrial Co.,Ltd. Registration number: 2018340000023 |
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