CN101798424A - Easy cleaning household electrical appliance special material and preparation method thereof - Google Patents
Easy cleaning household electrical appliance special material and preparation method thereof Download PDFInfo
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Abstract
The invention discloses an easy cleaning household electrical appliance special material and a preparation method thereof. The special material consists of the following ingredients in mass percent: 11.5 to 99.5 percent of polypropylene resin, 0 to 60 percent of filling materials, 0.5 to 5 percent of silicon oil, 0 to 20 percent of elastic bodies, 0 to 1.5 percent of thermal stabilizers, 0 to 1 percent of light stabilizers and 0 to 1 percent of processing accessory agents. The preparation is carried out according to the following steps: stirring and mixing the polypropylene resin and the silicon oil at high speed; adding the filling materials, the processing accessory agents, the thermal stabilizers, the light stabilizers and the elastic bodies to be uniformly stirred and mixed at high speed for obtaining mixed materials; carrying out melt blending and extrusion granulation by the mixed material into in extrusion equipment at the temperature between 180 DEG C and 235 DEG C; and carrying out extrusion, bar drawing, cooling and grain cutting to obtain the easy cleaning household electrical appliance special material. The easy cleaning effect of the household electrical appliance special material is obviously improved, large market demands of spraying-free and easy cleaning high molecular composite materials are met, and the invention conforms to the requirements of the household electrical appliance market.
Description
Technical field
The invention belongs to chemical material technical field, particularly a kind of easy cleaning household electrical appliance special material its preparation method, this PP Pipe Compound can be used as the easy cleaning household electrical appliance material.
Background technology
In everyday practice, abbreviate the article surface anti pollution property as " easy to clean ".
The household appliances exterior part overwhelming majority is plastics, and it has the great market requirement on characteristic easy to clean.But at present household electrical appliances " easy to clean " function almost completely relies on coating to realize, in existing coating system, aspect characteristic easy to clean based on the coating system of fluorine organofunctional silane or siloxanes the most suitable (WO92/21729, WO 95/23830).Spraying is exempted from exploitation, the special-purpose polymer composite of easy cleaning household electrical appliance is imperative.Silicone oil has oleophobic, hydrophobic property as parting agent, and its application in modifying plastics is restricted (as: CN 03112921.8) because of it has the shortcoming of separating out from plastics.The present invention utilizes the characteristic that itself and thermoplastic macromolecule material consistency are bad, easily separate out exactly, makes plastics have function easy to clean.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, primary and foremost purpose of the present invention is to provide a kind of easy cleaning household electrical appliance special material.
Another object of the present invention is to provide a kind of preparation method of above-mentioned easy cleaning household electrical appliance special material.
To achieve these goals, the present invention by the following technical solutions: a kind of easy cleaning household electrical appliance special material, this PP Pipe Compound is made up of following components in percentage by mass:
Acrylic resin 11.5～99.5%
Filler 0～60%
Silicone oil 0.5～5%
Elastomerics 0～20%
Thermo-stabilizer 0～1.5%
Photostabilizer 0～1%
Processing aid 0～1%.
Described acrylic resin is Co-polypropylene or the homo-polypropylene of melting index at 0.8～40g/10min; The grain size of described filler is 0.1～100 μ m; Described filler is more than one in talcum powder, barium sulfate, lime carbonate, pure aluminium silicate whisker, Magnesium Silicate q-agent whisker and the magnesium sulfate crystal whisker; Described silicone oil is dimethyl silicone oil.
Described elastomerics is more than one in polyolefin elastomer (POE), polyolefin plastomers (POP), terpolymer EP rubber (EPDM), styrene-butadiene-styrene block copolymer (SBS) and the hydrogenated styrene-butadiene-styrene block copolymers (SEBS).
Described thermo-stabilizer is more than one in phenolic antioxidant, phosphite ester kind antioxidant and the thioesters class auxiliary antioxidant.
Described phenolic antioxidant is four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester or β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid octadecanol esters; Described phosphite ester kind antioxidant is three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester; Described thioesters class auxiliary antioxidant is a Tyox B.
Described photostabilizer is a hindered amine compound; Described processing aid closes in ester compound, amides, carbon black and the titanium dioxide more than one for low molecule ester compound, metallic soap compounds, stearic acid.
Described hindered amine compound is two (2,2,6,6-tetramethyl--4-piperidyl) sebate and poly-{ [6-[(1,1,3, the 3-tetramethyl butyl) amino]]-1,3,5-triazines-2,4-two [(2,2,6,6 ,-tetramethyl-4-piperidyl) imino-]-1, oneself two supports [(2 of 6-, 2,6,6-tetramethyl--4-piperidyl) imino-] } in a kind of or its mixture; Described low molecule ester compound is a stearic acid; Described metallic soap compounds is calcium stearate or Zinic stearas; Described amides is erucicamide, amine hydroxybenzene or ethylene bis stearamide; It is pentaerythritol stearate that described stearic acid closes ester compound.
The preparation method of above-mentioned easy cleaning household electrical appliance special material may further comprise the steps:
(1) acrylic resin and silicone oil adding mixing machine high speed are mixed;
(2) add filler, processing aid, thermo-stabilizer, photostabilizer and elastomerics again, continue high-speed stirring and mix, obtain compound;
(3) with step (2) gained compound in extrusion equipment with melt blending under 180 ℃～235 ℃ the temperature, extruding pelletization;
(4) extrude, tie rod, cooling, pelletizing obtains easy cleaning household electrical appliance special material.
The time of the described stirring of step (1) is 3～8 minutes; The rotating speed of step (1) and (2) described high-speed stirring is 600～1300rpm.
The described extrusion equipment of step (3) is twin screw extruder or reciprocation type single screw extrusion machine, and the length-to-diameter ratio of described screw rod is less than 32.
Principle of the present invention is: the present invention adopts thermo-stabilizer can improve the heat aging property of material in processing and use, photostabilizer can improve material light aging resisting property in use, the present invention adopts the synergistic effect between the multiple polyolefin elastomer to remedy only to adopt unitary resilient body in the material internal structure, the various defectives that the broad perspectives the subject of knowledge and the object of knowledge produces, as reduce rigidity loss, improve toughening efficiency, and improve and process rheological, reduce owing to the product surface defective that adopts unitary resilient body to produce, as ripple glaze, tiger fur lines etc. are improved the over-all properties of material.Adopt multiple polyolefin elastomer composite toughening, can also improve the deployment conditions of elastomeric component, and improve the stress transmission, blushing etc. eliminates stress;
It is to improve processing characteristics that processing aid mainly acts on; Comprise said toner in addition, as be selected from carbon black, a kind of or its mixture of titanium dioxide, it mainly acts on is to make color articles;
Filler helps improving the intensity and the dimensional stability of material, emboliform filler then helps improving the toughness and the surface hardness of material, the both can improve the modulus and the heat-drawn wire of material, thereby both effective combinations can make material possess the excellent comprehensive performance;
The present invention adopts dimethyl silicone oil, performance silicone oil and resin matrix consistency are bad, the characteristic of slowly oozing out at normal temperatures along with time lengthening, formed the mechanism easy to clean of the present invention's innovation: the plastics that injection moulding forms form two microscopic species layers of ecto-entad, that is: outermost one deck is bad with resin compatible, the silicone oil thin layer that bonding force is not strong, greasy dirt in the surrounding environment, dust is material layer contact therewith directly, when people use paper handkerchief wiping surface of plastic products, on macroscopic view, can be with the related dust of outermost silicon layer, greasy dirt wipes out, angle from microcosmic, prolongation along with the time, the silicone oil of plastics inside again can be slowly from inside to outside migration come out plentiful gradually outmost silicon layer.
Compared with prior art, the present invention has following beneficial effect: " easy to clean " effect of dedicated material for home appliances of the present invention obviously improves, satisfy the great market demand of exempting to spray with polymer composite easy to clean, more met the requirement of household electrical appliances market or the trend of other products easy to clean.
Embodiment
The present invention is described in further detail below in conjunction with embodiment, but embodiments of the present invention are not limited thereto.
Comparative Examples 1
(1) with 81.4g acrylic resin AW564 (SUMITOMO CHEMICAL business company limited), 15g talcum powder (grain size is 1 μ m), 0.3g processing aid ethylene bis stearamide (EBS), 0.1g four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, 0.2g photostabilizer 770 (Co., Ltd in the Ciba) and 3g elastomerics POE 8150 (DOW Chemical), continue high-speed stirring and mix, obtain compound;
(2) with step (1) gained compound in reciprocation type single screw extrusion machine (length-to-diameter ratio of screw rod is less than 32) with 180 ℃～235 ℃ temperature under melt blending, extruding pelletization;
(3) extrude, tie rod, cooling, pelletizing obtains easy cleaning household electrical appliance special material.
Comparative Examples 2
(1) 80.4g acrylic resin AW564 (SUMITOMO CHEMICAL business company limited) and 1g dimethyl silicone oil are added in the mixing machine with rotating speed 600～1300rpm high-speed mixing stirring 3～8 minutes;
(2) add 15g talcum powder (grain size is 1 μ m), 0.3g processing aid ethylene bis stearamide, 0.1g four [β-(3 again, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, 0.2g photostabilizer 770 (Co., Ltd in the Ciba) and 3g elastomerics POE 8150 (DOW Chemical), continue high-speed stirring and mix, obtain compound;
(3) with step (2) gained compound in reciprocation type single screw extrusion machine (length-to-diameter ratio of screw rod is less than 32) with 180 ℃～235 ℃ temperature under melt blending, extruding pelletization;
(4) extrude, tie rod, cooling, pelletizing obtains easy cleaning household electrical appliance special material.
Embodiment 1
(1) 76.4g acrylic resin AW564 (SUMITOMO CHEMICAL business company limited) and 5g dimethyl silicone oil are added in the mixing machine with rotating speed 600～1300rpm high-speed mixing stirring 3～8 minutes;
(2) add 15g talcum powder (grain size is 1 μ m), 0.3g processing aid ethylene bis stearamide, 0.1g four [β-(3 again, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, 0.2g photostabilizer 770 (Co., Ltd in the Ciba) and 3g elastomerics POE 8150 (DOW Chemical), continue high-speed stirring and mix, obtain compound;
(3) with step (2) gained compound in reciprocation type single screw extrusion machine (length-to-diameter ratio of screw rod is less than 32) with 180 ℃～235 ℃ temperature under melt blending, extruding pelletization;
(4) extrude, tie rod, cooling, pelletizing obtains easy cleaning household electrical appliance special material.
Embodiment 2
(1) 50g acrylic resin AW564 (SUMITOMO CHEMICAL business company limited) and 3g dimethyl silicone oil are added in the mixing machine with rotating speed 600～1300rpm high-speed mixing stirring 3～8 minutes;
(2) add 23.5g barium sulfate (grain size is 1 μ m), 1g stearic acid, 1.5g β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid octadecanol ester, 1g photostabilizer poly-{ [6-[(1,1 again, 3, the 3-tetramethyl butyl) amino]]-1,3,5-triazine-2,4-two [(2,2,6,6 ,-tetramethyl-4-piperidyl) imino-]-1,6-oneself two the support [(2,2,6,6-tetramethyl--4-piperidyl) imino-] } and the 20g terpolymer EP rubber, continue high-speed stirring and mix, obtain compound;
(3) with step (2) gained compound in twin screw extruder (length-to-diameter ratio of screw rod is less than 32) with 180 ℃～235 ℃ temperature under melt blending, extruding pelletization;
(4) extrude, tie rod, cooling, pelletizing obtains easy cleaning household electrical appliance special material.
Embodiment 3
(1) with stirring 3～8 minutes with rotating speed 600～1300rpm high-speed mixing in 99.5g acrylic resin AW564 (SUMITOMO CHEMICAL business company limited) and the 0.5g dimethyl silicone oil adding mixing machine, obtains compound;
(2) with step (1) gained compound in reciprocation type single screw extrusion machine (length-to-diameter ratio of screw rod is less than 32) with 180 ℃～235 ℃ temperature under melt blending, extruding pelletization;
(3) extrude, tie rod, cooling, pelletizing obtains easy cleaning household electrical appliance special material.
Embodiment 4
(1) 11.5g acrylic resin AW564 (SUMITOMO CHEMICAL business company limited) and 5g dimethyl silicone oil are added in the mixing machine with rotating speed 600～1300rpm high-speed mixing stirring 3～8 minutes;
(2) add 60g pure aluminium silicate whisker (grain size is 1 μ m), 1g processing aid erucicamide, 1.5g Tyox B, 1g photostabilizer poly-{ [6-[(1,1,3 again, the 3-tetramethyl butyl) amino]]-1,3,5-triazines-2,4-two [(2,2,6,6 ,-tetramethyl-4-piperidyl) imino-]-1, oneself two supports [(2 of 6-, 2,6,6-tetramethyl--4-piperidyl) imino-] and the 20g hydrogenated styrene-butadiene-styrene block copolymers, continue high-speed stirring and mix, obtain compound;
(3) with step (2) gained compound in twin screw extruder (length-to-diameter ratio of screw rod is less than 32) with 180 ℃～235 ℃ temperature under melt blending, extruding pelletization;
(4) extrude, tie rod, cooling, pelletizing obtains easy cleaning household electrical appliance special material.
Embodiment 5
(1) 65g acrylic resin AW564 (SUMITOMO CHEMICAL business company limited) and 2g dimethyl silicone oil are added in the mixing machine with rotating speed 600～1300rpm high-speed mixing stirring 3～8 minutes;
(2) add 20g magnesium sulfate crystal whisker (grain size is 1 μ m), 0.8g processing aid amine hydroxybenzene, 1.2g Tyox B, 0.6g photostabilizer poly-{ [6-[(1,1,3 again, the 3-tetramethyl butyl) amino]]-1,3,5-triazines-2,4-two [(2,2,6,6 ,-tetramethyl-4-piperidyl) imino-]-1, oneself two supports [(2 of 6-, 2,6,6-tetramethyl--4-piperidyl) imino-] and the 10.4g polyolefin plastomers, continue high-speed stirring and mix, obtain compound;
(3) with step (2) gained compound in reciprocation type single screw extrusion machine (length-to-diameter ratio of screw rod is less than 32) with 180 ℃～235 ℃ temperature under melt blending, extruding pelletization;
(4) extrude, tie rod, cooling, pelletizing obtains easy cleaning household electrical appliance special material.
Embodiment 6
(1) 35g acrylic resin AW564 (SUMITOMO CHEMICAL business company limited) and 4g dimethyl silicone oil are added in the mixing machine with rotating speed 600～1300rpm high-speed mixing stirring 3～8 minutes;
(2) add 40g magnesium sulfate crystal whisker (grain size is 1 μ m), 0.8g carbon black, 0.1g three (2 again, the 4-di-tert-butyl-phenyl) phosphorous acid ester, the poly-{ [6-[(1 of 0.6g photostabilizer, 1,3, the 3-tetramethyl butyl) amino]]-1,3,5-triazine-2,4-two [(2,2,6,6,-tetramethyl-4-piperidyl) imino-]-1,6-oneself two the support [(2,2,6,6-tetramethyl--4-piperidyl) imino-] } and the 19.5g styrene-butadiene-styrene block copolymer, continue high-speed stirring and mix, obtain compound;
(3) with step (2) gained compound in reciprocation type single screw extrusion machine (length-to-diameter ratio of screw rod is less than 32) with 180 ℃～235 ℃ temperature under melt blending, extruding pelletization;
(4) extrude, tie rod, cooling, pelletizing obtains easy cleaning household electrical appliance special material.
Embodiment 7
(1) 65g acrylic resin AW564 (SUMITOMO CHEMICAL business company limited) and 1g dimethyl silicone oil are added in the mixing machine with rotating speed 600～1300rpm high-speed mixing stirring 3～8 minutes;
(2) add 18.4g magnesium sulfate crystal whisker (grain size is 1 μ m), 0.3g carbon black, 0.1g three (2 again, the 4-di-tert-butyl-phenyl) phosphorous acid ester, the poly-{ [6-[(1 of 0.2g photostabilizer, 1,3, the 3-tetramethyl butyl) amino]]-1,3,5-triazine-2,4-two [(2,2,6,6,-tetramethyl-4-piperidyl) imino-]-1,6-oneself two the support [(2,2,6,6-tetramethyl--4-piperidyl) imino-] } and the 15g styrene-butadiene-styrene block copolymer, continue high-speed stirring and mix, obtain compound;
(3) with step (2) gained compound in twin screw extruder (length-to-diameter ratio of screw rod is less than 32) with 180 ℃～235 ℃ temperature under melt blending, extruding pelletization;
(4) extrude, tie rod, cooling, pelletizing obtains easy cleaning household electrical appliance special material.
Embodiment 8
The PP Pipe Compound of embodiment 1～8 and Comparative Examples 1～2 preparation is injection molded into plectane (the diameter 300mm of uniform thickness (4mm), true qualities), placing design temperature is that 60 ℃ of air dry ovens carry out accelerated test, air dry oven is put in certain kitchen, hotel, worked 12 hours every day in this kitchen, air dry oven work 24 hours every days.Judgement criteria easy to clean is for using cotton, do not dip in and get other solvents, plectane surface in the manual wiping baking oven gently, if the dust and the greasy dirt on plectane surface are wiped out, the plectane surface of exposing true qualities, promptly be judged to be " easy to clean ", if dust and greasy dirt then are judged to be " not easy to clean " through still stay in the plectane surface after wiping.The test effect sees Table 1.
The test effect of table 1 embodiment 1～8 and comparative example's gained matrix material
| The test effect | 4 months plectane wiping results | 12 months plectane wiping results | 24 months plectane wiping results | 36 months plectane wiping results |
| Comparative Examples 1 | Not easy to clean | ??- | ??- | ??- |
| Comparative Examples 2 | Easy to clean | Easy to clean | Not easy to clean | ??- |
| Embodiment 1 | Easy to clean | Easy to clean | Easy to clean | Easy to clean |
| Embodiment 2 | Easy to clean | Easy to clean | Easy to clean | Easy to clean |
| Embodiment 3 | Easy to clean | Not easy to clean | ??- | ??- |
| Embodiment 4 | Easy to clean | Easy to clean | Easy to clean | Easy to clean |
| Embodiment 5 | Easy to clean | Easy to clean | Easy to clean | Easy to clean |
| Embodiment 6 | Easy to clean | Easy to clean | Easy to clean | Easy to clean |
| The test effect | 4 months plectane wiping results | 12 months plectane wiping results | 24 months plectane wiping results | 36 months plectane wiping results |
| Embodiment 7 | Easy to clean | Easy to clean | Not easy to clean | ??- |
Annotate: this material is not added in "-" expression or effect assessment is not carried out in expression.
The foregoing description is a preferred implementation of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. easy cleaning household electrical appliance special material, it is characterized in that: this PP Pipe Compound is made up of following components in percentage by mass:
Acrylic resin 11.5～99.5%
Filler 0～60%
Silicone oil 0.5～5%
Elastomerics 0～20%
Thermo-stabilizer 0～1.5%
Photostabilizer 0～1%
Processing aid 0～1%.
2. a kind of easy cleaning household electrical appliance special material according to claim 1 is characterized in that: described acrylic resin is Co-polypropylene or the homo-polypropylene of melting index at 0.8～40g/10min; The grain size of described filler is 0.1～100 μ m; Described filler is more than one in talcum powder, barium sulfate, lime carbonate, pure aluminium silicate whisker, Magnesium Silicate q-agent whisker and the magnesium sulfate crystal whisker; Described silicone oil is dimethyl silicone oil.
3. a kind of easy cleaning household electrical appliance special material according to claim 1 is characterized in that: described elastomerics is more than one in polyolefin elastomer, polyolefin plastomers, terpolymer EP rubber, styrene-butadiene-styrene block copolymer and the hydrogenated styrene-butadiene-styrene block copolymers.
4. a kind of easy cleaning household electrical appliance special material according to claim 1 is characterized in that: described thermo-stabilizer is more than one in phenolic antioxidant, phosphite ester kind antioxidant and the thioesters class auxiliary antioxidant.
5. a kind of easy cleaning household electrical appliance special material according to claim 4, it is characterized in that: described phenolic antioxidant is four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester or β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid octadecanol ester; Described phosphite ester kind antioxidant is three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester; Described thioesters class auxiliary antioxidant is a Tyox B.
6. a kind of easy cleaning household electrical appliance special material according to claim 1 is characterized in that: described photostabilizer is a hindered amine compound; Described processing aid closes in ester compound, amides, carbon black and the titanium dioxide more than one for low molecule ester compound, metallic soap compounds, stearic acid.
7. a kind of easy cleaning household electrical appliance special material according to claim 6 is characterized in that: described hindered amine compound is two (2,2,6,6-tetramethyl--4-piperidyl) sebate and poly-{ [6-[(1,1,3, the 3-tetramethyl butyl) amino]]-1,3,5-triazines-2,4-two [(2,2,6,6 ,-tetramethyl-4-piperidyl) imino-]-1, oneself two supports [(2 of 6-, 2,6,6-tetramethyl--4-piperidyl) imino-] } in a kind of or its mixture; Described low molecule ester compound is a stearic acid; Described metallic soap compounds is calcium stearate or Zinic stearas; Described amides is erucicamide, amine hydroxybenzene or ethylene bis stearamide; It is pentaerythritol stearate that described stearic acid closes ester compound.
8. the preparation method of a kind of easy cleaning household electrical appliance special material according to claim 1 is characterized in that may further comprise the steps:
(1) acrylic resin and silicone oil adding mixing machine high speed are mixed;
(2) add filler, processing aid, thermo-stabilizer, photostabilizer and elastomerics again, continue high-speed stirring and mix, obtain compound;
(3) with step (2) gained compound in extrusion equipment with melt blending under 180 ℃～235 ℃ the temperature, extruding pelletization;
(4) extrude, tie rod, cooling, pelletizing obtains easy cleaning household electrical appliance special material.
9. preparation method according to claim 8 is characterized in that: the time of the described stirring of step (1) is 3～8 minutes; The rotating speed of step (1) and (2) described high-speed stirring is 600～1300rpm.
10. preparation method according to claim 8 is characterized in that: the described extrusion equipment of step (3) is twin screw extruder or reciprocation type single screw extrusion machine, and the length-to-diameter ratio of described screw rod is less than 32.
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| CN103509243A (en) * | 2011-07-18 | 2014-01-15 | 余姚市中发工程塑料有限公司 | Special plastic for optical fiber junction boxes |
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Application publication date: 20100811 |