CN103146011A - Method for protecting plastic piece of refrigeration equipment and refrigeration equipment - Google Patents
Method for protecting plastic piece of refrigeration equipment and refrigeration equipment Download PDFInfo
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- CN103146011A CN103146011A CN2013100698095A CN201310069809A CN103146011A CN 103146011 A CN103146011 A CN 103146011A CN 2013100698095 A CN2013100698095 A CN 2013100698095A CN 201310069809 A CN201310069809 A CN 201310069809A CN 103146011 A CN103146011 A CN 103146011A
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Abstract
The invention discloses a method for protecting a plastic piece of refrigeration equipment and refrigeration equipment. The method comprises the following step of: coating at least one of a polyurethane paint, an ABS (Acrylonitrile Butadiene Styrene) special paint, a waterborne emulsion paint, an epoxy paint, a polyester paint, a plastic paint, an alkyd paint, an acrylic paint, an amino paint, nitrolacquer or combination thereof on the surface of the plastic piece so as to form a protective coating between the plastic piece and a defoamer of an insulating layer. The method provided by the invention can be widely applied to multiple technical fields such as refrigeration field, so that the plastic piece has good anti-corrosive performance. The protective coating is further not corrosive to the plastic piece, so that the strength decrease of the plastic piece is effectively prevented, and the plastic piece is not easy to deform in a high temperature condition and not easy to crack in a low temperature condition.
Description
Technical field
The present invention relates to protect method and the refrigeration equipment of refrigeration equipment plastic component.
Background technology
Plastic component because of its have moulding easily, exquisite appearance, moderate cost, steady performance, all use extensively in industrial production and daily life, but distortion and cracking also easily appear, particularly in the winter time, ftracture more frequent, one of them most important reason is exactly that plastic component easily is corroded, and intensity can constantly descend.
Therefore, present plastic component and guard method thereof still remain to be improved.
Summary of the invention
The present invention is intended to solve at least one of technical problem that exists in prior art.
To achieve these goals, the present invention provides a kind of method of protecting the refrigeration equipment plastic component in one aspect.According to embodiments of the invention, the method is selected from least a of polyurethane paint, ABS tailor-made paint, aqueous latex paint, epoxy-based lacquers, Polyester Paint, plastic paint, alkyd paint, acrylic paint, amino paint, pyroxylin(e)finish or its composition for the surface-coated at described plastic component, in order to form protective coating between the whipping agent of described plastic component and thermal insulation layer.
Can be widely used in a plurality of technical fields according to the method for the protection refrigeration equipment plastic component of the embodiment of the present invention; refrigerating field for example; can make plastic component have good corrosion resistance; and protective coating itself does not have corrodibility to plastic component yet; thereby can effectively prevent the strength degradation of plastic component; make plastic component not yielding under hot conditions, and not easy to crack under cold condition.
According to some embodiments of the present invention, the method for above-mentioned protection refrigeration equipment plastic component can also have following additional technical feature:
According to one embodiment of present invention, described plastic component is be selected from ABS plastic part and HIPS plastic component at least a.
。Thus, can effectively protect the plastic component of this material, thereby widen the range of application of plastic component.
According to one embodiment of present invention, carry out described coating by hand spray, automatic spraying and hairbrush brushing at least a.Thus, can according to the different outward appearances of plastic component and flexible structure select multiple coating process.
According to one embodiment of present invention, the thickness of described protective coating is 2～10.Thus, protective coating can be protected plastic component effectively, prevents that plastic component is corroded, for example corrosion of whipping agent to plastic component, thus effectively make plastic component keep good intensity.
According to one embodiment of present invention, described refrigeration equipment is at least a of refrigerator, refrigerator-freezer and air-conditioning.Thus, can effectively protect plastic component used on refrigerator, refrigerator-freezer and air-conditioning.
The present invention provides a kind of refrigeration equipment in yet another aspect.According to embodiments of the invention, this refrigeration equipment comprises: thermal insulation layer comprises whipping agent in described thermal insulation layer; And plastic component, the surface of described plastic component is formed with protective coating, and described protective coating is formed between described thermal insulation layer and described plastic component, wherein, described protective coating forms by being selected from polyurethane paint, ABS tailor-made paint, aqueous latex paint, epoxy-based lacquers, Polyester Paint, plastic paint, alkyd paint, acrylic paint, amino paint and at least a of pyroxylin(e)finish or its composition.Thus, the plastic component of this refrigeration equipment has good corrosion resistance, and protective coating itself do not have corrodibility to plastic component yet, thereby the intensity of plastic component can not descended, make the plastic component can be not yielding under hot conditions, and not easy to crack under cold condition.
According to some embodiments of the present invention, above-mentioned refrigeration equipment can also have following additional technical feature:
According to embodiments of the invention, described plastic component is be selected from ABS plastic part and HIPS plastic component at least a.Thus, the plastic component of this material has good corrosion resistance, and the intensity of plastic component can not descend.
According to embodiments of the invention, described plastic component is door end cap or mouthful frame of described refrigeration equipment.Thus, the door end cap of this refrigeration equipment or a mouthful frame can be protected effectively.
According to embodiments of the invention, the thickness of described protective coating is 2～10.Thus, protective coating can be protected plastic component effectively, prevents that plastic component is corroded, for example corrosion of whipping agent to plastic component, thus make plastic component keep good intensity.
According to embodiments of the invention, described refrigeration equipment is at least a of refrigerator, refrigerator-freezer and air-conditioning.Thus, can effectively protect plastic component used on refrigerator, refrigerator-freezer and air-conditioning.
Protect according to an embodiment of the invention the method for refrigeration equipment plastic component can realize that following advantages is one of at least:
1, protect according to an embodiment of the invention the method for refrigeration equipment plastic component, can prevent effectively that not only plastic component is corroded, and the surperficial coated fabric of plastic component itself does not have corrodibility to plastic component yet, thereby the intensity that can guarantee plastic component can not descend, make plastic component not yielding under hot conditions, and not easy to crack under cold condition;
2, protect according to an embodiment of the invention the method for refrigeration equipment plastic component, the plastic component coated fabric in surface and plastic component have better consistency, are convenient to recovery again and the recycle of plastic component;
3, protect according to an embodiment of the invention the method for refrigeration equipment plastic component, the coated fabric in plastic component surface has good sticking power to plastic component, thereby makes the protective coating difficult drop-off;
4, protect according to an embodiment of the invention the method for refrigeration equipment plastic component, the elasticity of the coated fabric in plastic component surface is better, has good buffering stress function;
5, protect according to an embodiment of the invention the method for refrigeration equipment plastic component, the coated fabric free from extraneous odour in plastic component surface meets environmental requirement, has wide range of applications;
6, protect according to an embodiment of the invention the method for refrigeration equipment plastic component, can select any coating fabric with variegated varnish or any color according to different actual needs, can satisfy the shades of colour appearance requirement;
7, protect according to an embodiment of the invention the method for refrigeration equipment plastic component, the coating fabric is very convenient, can select multiple coating process according to different outward appearances and the structure of plastic component, for example: (1) is more complicated for structure, the plastic component that shape is larger, adopt hand spray, natural air drying is as refrigerator disjunctor mouth frame; (2) for general structure, the large plastic component of amount, take the automatic production line spraying, as the refrigerator door end cap, the hot blast drying tunnel is dry; (3), amount little plastic component small-sized for structure; get final product with the hairbrush brushing; as refrigerator opening frame and refrigerator end cap; natural air drying or hot blast drying etc.; thereby effectively widened the scope of application, made the method for the protection refrigeration equipment plastic component of the embodiment of the present invention have very large marketing and using value.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Embodiment
The below describes embodiments of the invention in detail, and wherein same or similar label represents same or similar element or the element with identical or similar functions from start to finish.The following examples are exemplary, only are used for explaining the present invention, and can not be interpreted as limitation of the present invention.
The present invention is based on contriver's following discovery and completes:
In prior art, plastic component uses whipping agent usually, as organic low molecular things such as pentamethylene (CP), HFC-245FA, HFC-134a, HFC-365mffc, these whipping agents are liquid or gas under normal temperature and cold condition, plastic component, particularly stress members to contact with it have stronger corrosive nature, thereby cause plastic component intensity constantly to descend, easily distortion under hot conditions, and easily ftracture under cold condition.Based on above-mentioned discovery, the present invention is intended to design a kind of method of protecting plastic component, to the corrosion resistance of reinforced plastics spare.The present inventor is surprised to find, and by technical scheme of the present invention, can effectively solve for example above-mentioned technical problem.Following part will be done further the feature and advantage of technical solution of the present invention and describe.
In one aspect of the invention, the present invention proposes a kind of method of protecting the refrigeration equipment plastic component.According to embodiments of the invention, the method is selected from least a of polyurethane paint, ABS tailor-made paint, aqueous latex paint, epoxy-based lacquers, Polyester Paint, plastic paint, alkyd paint, acrylic paint, amino paint, pyroxylin(e)finish or its composition in the surface-coated of plastic component, in order to form protective coating between the whipping agent of described plastic component and thermal insulation layer.Thus; protective coating can effectively be protected plastic component; prevent that plastic component is subject to for example corrosion of whipping agent; make plastic component have good corrosion resistance; and plastic component surface coated fabric itself does not have corrosive nature to plastic component yet; thereby can effectively prevent the strength degradation of plastic component; make plastic component not yielding under hot conditions; and it is not easy to crack under cold condition; for example according to some embodiments of the present invention; plastic component is indeformable under 70 degrees celsius, does not ftracture under subzero 40 degrees celsius.The method of protection refrigeration equipment plastic component of the present invention can be widely used in a plurality of technical fields; refrigerating field for example; can effectively be applied in refrigeration equipment, on the commonly used electrical equipment such as refrigerator, refrigerator-freezer and air-conditioning of daily life, have very large marketing and using value.
According to embodiments of the invention, thickness and the shape and structure of protective coating are not particularly limited.For example according to some embodiments of the present invention, the thickness of protective coating is 2～10.Thus, protective coating can be protected plastic component effectively, prevents that plastic component is corroded, for example corrosion of whipping agent to plastic component, thus make plastic component keep good intensity.
According to embodiments of the invention, the material of plastic component is not particularly limited.For example according to some embodiments of the present invention, plastic component is be selected from ABS plastic part and HIPS plastic component at least a.Thus, can effectively protect the plastic component of this material, thereby widen the range of application of plastic component.
According to embodiments of the invention; the means of implementing the method for protection refrigeration equipment plastic component of the present invention are not particularly limited; person skilled can adopt all existing method and apparatus, according to the different outward appearances of plastic component and flexible structure select different coating processes.For example according to some embodiments of the present invention, (1) is more complicated for structure, and the plastic component that shape is larger adopts hand spray, and natural air drying is as refrigerator disjunctor mouth frame; (2) for general structure, the large plastic component of amount, take the automatic production line spraying, as the refrigerator door end cap, the hot blast drying tunnel is dry; (3), amount little plastic component small-sized for structure, get final product with the hairbrush brushing, as refrigerator opening frame and refrigerator end cap, natural air drying or hot blast drying etc.Thus, thereby effectively widened the scope of application, made the method for protection refrigeration equipment plastic component of the present invention have larger marketing and using value.
In another aspect of the present invention, the present invention proposes a kind refrigeration equipment.According to embodiments of the invention, this refrigeration equipment comprises: thermal insulation layer and plastic component, comprise whipping agent in thermal insulation layer, the surface of plastic component is formed with protective coating, and protective coating is formed between thermal insulation layer and plastic component, wherein, protective coating forms by being selected from polyurethane paint, ABS tailor-made paint, aqueous latex paint, epoxy-based lacquers, Polyester Paint, plastic paint, alkyd paint, acrylic paint, amino paint and at least a of pyroxylin(e)finish or its composition.Thus, the plastic component of this refrigeration equipment has good corrosion resistance, and protective coating itself does not have corrosive nature to plastic component yet, thereby the intensity of plastic component can not descended, plastic component can be not yielding under hot conditions, and not easy to crack under cold condition, for example according to some embodiments of the present invention, plastic component is indeformable under 70 degrees celsius, does not ftracture under subzero 40 degrees celsius.In addition, about other parts of refrigeration equipment, can adopt any known parts in any art of refrigeration units, not repeat them here.
According to embodiments of the invention, the material of plastic component is not particularly limited.For example according to some embodiments of the present invention, plastic component is be selected from ABS plastic part and HIPS plastic component at least a.Thus, can effectively protect the plastic component of this material, thereby widen the range of application of plastic component.
According to embodiments of the invention, thickness and the shape and structure of protective coating are not particularly limited.For example according to some embodiments of the present invention, the thickness of protective coating is 2～10.Thus, the plastic component of refrigeration equipment can be subject to the protection effectively of protective coating, prevents that plastic component is corroded, for example corrosion of whipping agent to plastic component, thus make plastic component keep good intensity.
According to embodiments of the invention, plastic component is door end cap or mouthful frame of refrigeration equipment.Thus, the door end cap of this refrigeration equipment or a mouthful frame can be protected effectively.
According to embodiments of the invention, refrigeration equipment is at least a of refrigerator, refrigerator-freezer and air-conditioning.Thus, can effectively protect plastic component used on refrigerator, refrigerator-freezer and air-conditioning.
Below by specific embodiment, the present invention will be described, need to prove that these embodiment are only for illustration purpose, and can not be construed to by any way limitation of the present invention.In addition, if not otherwise specified, the equipment that adopts and material are commercially available in the following example.
Embodiment 1:
Three-door refrigerator door end cap, model of refrigerator: BCD-216TGSM, polynary foaming system: whipping agent is mixed foaming agent CP+HFC-245fa+HFC-134a, material: the strange beautiful ABS-749SK in Zhenjiang, coating selection PU aqueous latex paint (varnish or colored paint), location, the back side spraying of contact foaming layer, the hot blast drying tunnel is dry, place packing.
Embodiment 2:
Two-door refrigerator door end cap, refrigerator door end cap model BCD-175QM, binary mixed foaming system: CP+HFC-245fa, material: the strange beautiful ABS-749SK in Zhenjiang, coating is selected the ABS tailor-(made) coating, end cap back side hand spray, hot blast drying, cooling, packing, coating thickness is controlled to be 3.
Embodiment 3:
With the door end cap of embodiment 1 and embodiment 2 put into high/low-temperature impact 4, laboratory circulation (1 circulation refer under 70 degrees celsius 4 hours with subzero 40 degrees celsius under 4 hours, dropping to subzero 40 degrees centigrade from 70 degrees centigrade completed in 2 hours), the phenomenons such as end cap does not turn white, dark crackle, distortion, illustrate that coating material opposite house end cap does not have the chemical corrosion impact, it is forced the way across and has obtained good maintenance.
Embodiment 4:
With 1 and the door end cap of embodiment 2 put into 4, the laboratory circulation of high low temperature (1 circulation refer under 70 degrees celsius 4 hours with subzero 40 degrees celsius under 4 hours, dropping to subzero 40 degrees centigrade from 70 degrees centigrade completed in 2 hours) after, the phenomenons such as end cap does not ftracture, secretly splits, turns white, distortion, illustrate that coat can effectively reduce/eliminate the corrosion of whipping agent opposite house end cap, the intensity of north materials and parts can not descended.
Embodiment 5:
Refrigerator opening frame.Refrigerator model: SCD-199GM adopts the HFC-245fa whipping agent, and a mouthful frame is the body-lined type moulding, selects Polyester Paint, and mouthful frame material LG emerging ABS-HI-140/130 in river in Zhejiang Province is by the injection moulding of standard technique.Mouthful frame back side manual brushing, brushing contact alveolar layer position only, natural air drying.
Embodiment 6:
Refrigerator opening frame, model: BCD-159DKSM, mouthful frame disjunctor injection moulding, material: the strange beautiful ABS-749SK in Zhenjiang, polynary foaming system with example 1, is selected alkyd varnish, hand spray, hot blast drying or natural air drying.
Embodiment 7:
Refrigerator opening frame.Model: BCD-158KSL, the pentamethylene foaming, material: LG produces ABS-121 or benzene neck ABS-GP22, the coating selection epoxy-based lacquers, hand spray, the hot blast drying tunnel is dry, 5 of film thicknesses.
Embodiment 8:
The refrigerator end cap.The pentamethylene foaming, the common ABS such as the material LG river in Zhejiang Province emerging ABS-121H/ strange beautiful ABS-757K in Zhenjiang, selecting coating is acrylic paint, the automatic production line spraying, the hot blast drying tunnel is dry, 3 of film thicknesses.
Embodiment 9:
The refrigerator top cover plate.ABS material or HIPS: common ABS-121H, ABS-757K or HIPS-1180, HIPS-476L, HIPS-888G, HIPS-HP825E, whipping agent (pentamethylene system, 245FA system or multicomponent system) is selected plastic paint, automatic coating, hot blast drying tunnel automatic air-drying, 3 of film thicknesses.
Embodiment 10:
Refrigerator door handle, the ABS material: high shock resistance type ABS, as ABS-747, ABS-749SK, ABS-130/140 etc., PU emulsion paint (dilution type) is selected in polynary foaming or CP foaming, automatic coating, the hot blast drying tunnel is dry, 3 of coat-thicknesses.
Embodiment 11:
With the mouth frame of embodiment 5～7 put into high/low-temperature impact 4, laboratory circulation (1 circulation refer under 70 degrees celsius 4 hours with subzero 40 degrees celsius under 4 hours, dropping to subzero 40 degrees centigrade from 70 degrees centigrade completed in 2 hours), the chemical corrosion phenomenons such as end cap does not turn white, dark crackle illustrate that coating material counterpart frame does not have the chemical corrosion impact.
Embodiment 12:
The assembling of mouth frame, foaming with embodiment 5～7, (1 circulation refers under 4 hours and subzero 40 degrees celsius under 70 degrees celsius 4 hours to put into 4, the laboratory circulation of high low temperature, dropping to subzero 40 degrees centigrade from 70 degrees centigrade completed in 2 hours) after, the chemical corrosion phenomenons such as the mouth frame ftractures, secretly splits, turns white illustrate that coat can effectively reduce/eliminate the corrosion of whipping agent counterpart frame.
In the description of this specification sheets, the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although the above has illustrated and has described embodiments of the invention; be understandable that; above-described embodiment is exemplary; can not be interpreted as limitation of the present invention; those of ordinary skill in the art is not in the situation that break away from principle of the present invention and aim can change above-described embodiment within the scope of the invention, modification, replacement and modification, and these all drop on the scope of the present invention.
Claims (10)
1. method of protecting the refrigeration equipment plastic component; it is characterized in that; surface-coated at described plastic component is selected from least a of polyurethane paint, ABS tailor-made paint, aqueous latex paint, epoxy-based lacquers, Polyester Paint, plastic paint, alkyd paint, acrylic paint, amino paint, pyroxylin(e)finish or its composition, in order to form protective coating between the whipping agent of described plastic component and thermal insulation layer.
2. method according to claim 1, is characterized in that, described plastic component is be selected from ABS plastic part and HIPS plastic component at least a.
3. method according to claim 1, is characterized in that, carries out described coating by hand spray, automatic spraying and hairbrush brushing at least a.
4. method according to claim 1, is characterized in that, the thickness of described protective coating is 2～10.
5. method according to claim 1, is characterized in that, described refrigeration equipment is at least a of refrigerator, refrigerator-freezer and air-conditioning.
6. a refrigeration equipment, is characterized in that, comprising:
Thermal insulation layer comprises whipping agent in described thermal insulation layer; And
Plastic component, the surface of described plastic component is formed with protective coating, and described protective coating is formed between described thermal insulation layer and described plastic component,
Wherein,
Described protective coating forms by being selected from polyurethane paint, ABS tailor-made paint, aqueous latex paint, epoxy-based lacquers, Polyester Paint, plastic paint, alkyd paint, acrylic paint, amino paint and at least a of pyroxylin(e)finish or its composition.
7. refrigeration equipment according to claim 6, is characterized in that, described plastic component is be selected from ABS plastic part and HIPS plastic component at least a.
8. refrigeration equipment according to claim 6, is characterized in that, described plastic component is door end cap or mouthful frame of described refrigeration equipment.
9. refrigeration equipment according to claim 6, is characterized in that, the thickness of described protective coating is 2～10.
10. refrigeration equipment according to claim 6, is characterized in that, described refrigeration equipment is at least a of refrigerator, refrigerator-freezer and air-conditioning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100698095A CN103146011A (en) | 2013-03-05 | 2013-03-05 | Method for protecting plastic piece of refrigeration equipment and refrigeration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100698095A CN103146011A (en) | 2013-03-05 | 2013-03-05 | Method for protecting plastic piece of refrigeration equipment and refrigeration equipment |
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| Publication Number | Publication Date |
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| CN103146011A true CN103146011A (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100698095A Pending CN103146011A (en) | 2013-03-05 | 2013-03-05 | Method for protecting plastic piece of refrigeration equipment and refrigeration equipment |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1955625A (en) * | 2005-10-27 | 2007-05-02 | 乐金电子(天津)电器有限公司 | Refrigerator case thermal insulation structure using micro-hollow ball |
| CN101460315A (en) * | 2006-06-21 | 2009-06-17 | Lg电子株式会社 | An outcase of refrigerator and method for manufacturing the same |
| CN102533027A (en) * | 2011-12-27 | 2012-07-04 | 温州粼粼漆科技有限公司 | Aqueous plastic paint and construction method thereof |
-
2013
- 2013-03-05 CN CN2013100698095A patent/CN103146011A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1955625A (en) * | 2005-10-27 | 2007-05-02 | 乐金电子(天津)电器有限公司 | Refrigerator case thermal insulation structure using micro-hollow ball |
| CN101460315A (en) * | 2006-06-21 | 2009-06-17 | Lg电子株式会社 | An outcase of refrigerator and method for manufacturing the same |
| CN102533027A (en) * | 2011-12-27 | 2012-07-04 | 温州粼粼漆科技有限公司 | Aqueous plastic paint and construction method thereof |
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Address after: 230601 Hefei Changjiang Road, Anhui, No. 669 Applicant after: Hefei Midea Refrigerator Co., Ltd. Address before: 230601 Hefei Changjiang Road, Anhui, No. 669 Applicant before: Hefei Media Rongshida Refrigerator Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: HEFEI MEDIA RONGSHIDA REFRIGERATOR CO., LTD. TO: HEFEI MIDEA REFRIGERATORCO., LTD. |
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Application publication date: 20130612 |