CN110301831A - Pot cover exempts to spray lid and preparation method - Google Patents
Pot cover exempts to spray lid and preparation method Download PDFInfo
- Publication number
- CN110301831A CN110301831A CN201910676403.0A CN201910676403A CN110301831A CN 110301831 A CN110301831 A CN 110301831A CN 201910676403 A CN201910676403 A CN 201910676403A CN 110301831 A CN110301831 A CN 110301831A
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- Prior art keywords
- lid
- parts
- exempting
- lubricant
- painted plastic
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/06—Lids or covers for cooking-vessels
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0812—Aluminium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Closures For Containers (AREA)
Abstract
The present invention discloses a kind of pot cover, exempts to spray lid and preparation method.Wherein, the monnolithic case for exempting to spray lid is rounded or arc-shaped, the upper surface of the lid has the burr of a plurality of concentric circles arcuation, the lid is described to exempt from the ingredient that painted plastic includes following mass fraction: 60-100 parts of PP resin, 0.1-5 parts of pearl powder by exempting from painted plastic injection molding, 0.05-2 parts of aluminum paste, 1-25 parts of mineral powder, 0.5-5 parts of lubricant, 0.2-5 parts of antioxidant and 0.2-2 parts of coupling agent.The present invention has prevented the surface defects such as generation flow liner, and by making pearl powder in different angles or/and different conditions are arranged in the surface of lid, improve the reflection ratio of light, allow the outer surface of lid that the bright silver of high glaze is presented, the highlighted silver-like effect for allowing the surface of lid to present close to spraying process is realized, physical property, lower cost simultaneously there is preferably implementation to use prospect.
Description
Technical field
The present invention relates to field of plastic products, exempt to spray lid and preparation method more particularly, to one kind, and have and exempt from
Spray the pot cover of lid.
Background technique
Especially in various household electrical appliance, metallic silver color is always product colour popular with consumers.In general, using spray
The post-processings means such as painting are covered with one layer of silver coating in the outer surface of plastic products and realize metallic silver color.However, spraying process is not
Environment is only polluted, the problems such as that there is also production links is more, high production cost.Raising with country to environmental requirement, spraying row
Industry receives more and more control, and most of painted plastics of exempting from only are granulated simply by addition color masterbatch and dyeing on the market
Mode is realized, but use exempts to be easy to generate the surface defects such as flow liner, weld bond on surface when painted plastic prepares plastic products, leads
Cause the apparent visual effect of plastic products poor.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention proposes that one kind is exempted from
Lid and preparation method are sprayed, and with the pot cover for exempting from spraying lid.
The present invention proposes that one kind is exempted to spray lid, and the monnolithic case of the lid is rounded or arc-shaped, the lid
Upper surface has the burr of a plurality of concentric circles arcuation, and the lid is described to exempt from painted plastic packet by exempting from painted plastic injection molding
Include the ingredient of following mass fraction: 60-100 parts of PP resin, 0.1-5 parts of pearl powder, 0.05-2 parts of aluminum paste, mineral powder 1-25
Part, 0.5-5 parts of lubricant, 0.2-5 parts of antioxidant and 0.2-2 parts of coupling agent.
The present invention is rounded or arc-shaped by the monnolithic case of lid, to allow melting using when exempting from painted plastic injection molding
Inner wall guiding of the plastics in the die cavity of mold with die cavity carries out flowing and provides optimized integration, to allow pearl powder in different angles
Degree or/and different conditions are arranged in the surface of lid, have prevented the surface defects such as generation flow liner, and by allowing pearl powder in difference
Angle or/and different conditions are arranged in the surface of lid, improve the reflection ratio of light, allow the outer surface of lid that bloom is presented
The bright silver in pool realizes the highlighted silver-like effect for allowing the surface of lid to present close to spraying process.Also, in lid upper surface
The reflective area that several burrs are conducive to increase lid is set, the highlighted silver-like effect of lid upper surface is further increased.Furthermore
Lid is made by exempting from painted plastic, this exempts from painted plastic with good physical property and lower cost, to have preferable
Implementation use prospect.
In a preferred embodiment, the shape of the burr is consistent with the monnolithic case of the lid, the lid with
The burr is rounded or is arc-shaped.
In a preferred embodiment, a plurality of burr is arranged with the uniform concentric arrangement of same intervals in the lid
Upper surface.
In a preferred embodiment, mineral powder is silicates inorganic matter, Calcium carbonate inorganic matter and barium class inorganic matter
One of or in which several mixture in any proportion, pearl powder by TiO2 cladding mica sheet constitute.
In a preferred embodiment, lubricant is amide series lubricant agent, stearic acid lubricant and person's waxy lubricant
One of or in which several mixture in any proportion.
Correspondingly, the present invention discloses a kind of pot cover, including bottom cover, there is the handle portion of protrusion setting, institute on the bottom cover
Exempt to spray lid equipped with described in the upper surface for stating handle portion.
In addition, a kind of preparation method for exempting to spray lid of the present invention comprising step:
Generate molten condition exempts from painted plastic, wherein described to exempt from the ingredient that painted plastic includes following mass fraction: PP
60-100 parts of resin, 0.1-5 parts of pearl powder, 0.05-2 parts of aluminum paste, 1-25 parts of mineral powder, 0.5-5 parts of lubricant, antioxidant
0.2-5 parts and 0.2-2 parts of coupling agent；
By the gum-injecting port exempted from painted plastic and inject mold in the molten state, produced using the cavity forming of the mold
The raw lid, wherein the die cavity is rounded or arc-shaped, and the top cavity wall of the die cavity has the recessed of a plurality of concentric circles arcuation
Line, the gum-injecting port are connected with a side of the die cavity.
When the present invention is using painted plastic is exempted from by injection molding preparation round or arc-shaped lid, molten plastic is utilized
It is flowed in the die cavity of mold with the dimpled grain of a plurality of concentric circles arcuation of the top cavity wall of the inner wall of die cavity and die cavity for guiding,
To allow molten plastic with round or arc-shaped path flowing to generate centripetal force, which destroys pearl in molten plastic
The ordered arrangement of light powder has prevented the surface defects such as generation flow liner, and by making pearl powder in different angles or/and different conditions
It is arranged in the surface of lid, improves the reflection ratio of light, allows the outer surface of lid that the bright silver of high glaze is presented.Compared to existing
For the technique for having the metal bright silver for realizing plastic products outer surface in technology by spraying, have process procedure few, technique
Simple and low cost of implementation advantage.
In a preferred embodiment, the painted plastic of exempting from is prepared into preformed particles, the preformed particles is added
Injection molding machine production molten condition exempts from painted plastic.
In a preferred embodiment, exempt from the step of painted plastic is prepared into preformed particles by described and include:
Pearl powder, aluminum paste, lubricant, antioxidant are uniformly mixed, lubricant is allowed to be well dispersed in pearl powder and aluminium
In silver paste, PP resin, mineral powder and coupling agent is then added and is sufficiently mixed to obtain within incorporation time 3-5 minutes in batch mixer
Mixture；
Mixture is obtained described exempting to spray in processing temperature by double screw extruder in 180 DEG C of -210 DEG C of extruding pelletizations
The preformed particles of plastics.
In a preferred embodiment, the side of the lid has the buckle extended downwardly, and the gum-injecting port is located at institute
Die cavity is stated to correspond at the buckle.
Detailed description of the invention
Fig. 1 is the appearance schematic diagram of lid in one embodiment.
Fig. 2 is the structural schematic diagram of pot cover.
Fig. 3 is the structural schematic diagram of the bottom cover of pot cover.
Fig. 4 is the structural schematic diagram of the handle upper cover as lid.
Fig. 5 is the vertical sectional view of handle upper cover.
Specific embodiment
Further to illustrate that the application is the technical means and efficacy reaching predetermined purpose and being taken, below in conjunction with attached drawing
And preferred embodiment, to specific embodiment, structure, feature and its effect according to the application, detailed description is as follows.Following
In explanation, what different " embodiment " or " embodiment " referred to is not necessarily the same embodiment.In addition, in one or more embodiments
Special characteristic, structure or feature can be combined by any suitable form.
As shown in Figure 1, the present invention discloses and a kind of be directly realized by outer surface by injection molding and exempt to spray in metallic silver color
The metallic silver color effect close to spraying is presented in lid 2, outer surface.The monnolithic case of the lid 2 is rounded or arc-shaped, whole
Shape is visually in metallic silver color, and its upper surface has the burr 21 of a plurality of concentric circles arcuation.Preferably, the shape of burr 21
Shape is consistent with the monnolithic case of lid 2, i.e., lid 2, burr 21 are rounded or are arc-shaped；Also, a plurality of burr 21 with
Same intervals are uniformly concentrically arranged at the upper surface of lid 2.For example, handle upper cover 2 shown in FIG. 1 is rounded, upper surface
Burr 21 with evenly distributed several concentric circles rounds.
In conjunction with shown in Fig. 2-Fig. 5, lid 2 is further illustrated to prepare the lid 2 as handle upper cover on pot cover
Feature, function and preparation method.In one embodiment, pot cover includes bottom cover 1 and the above-mentioned lid 2 for exempting from spraying, wherein bottom cover
There is the handle portion 11 of protrusion setting, the upper surface in the handle portion 11 is injection molded with lid 2 by injection molding machine, the lid on 1
Body 2 as handle portion 11 top cover or upper cover to also known as handle upper cover.Bottom cover 1 generally uses plastics, glass or stainless steel
It is made, handle portion 11 is generally made of plastics or metal material, which is fixed on the middle part of bottom cover 1, and handle portion
11 are equipped with card hole 12, and the side of lid 2 has the buckle 22 extended downwardly, which is fastened among card hole 12, from
And lid 2 is made to be fixed on the upper surface in handle portion 11.
Wherein, lid 2 passes through injection molding machine injection molding by exempting from painted plastic.It includes following mass fraction that this, which exempts from painted plastic,
Ingredient: 60-100 parts of PP resin, 0.1-5 parts of pearl powder, 0.05-2 parts of aluminum paste, 1-25 parts of mineral powder, lubricant 0.5-5
Part, 0.2-5 parts of antioxidant and 0.2-2 parts of coupling agent.
Mineral powder is the one of or in which several of silicates inorganic matter, Calcium carbonate inorganic matter and barium class inorganic matter
Mixture in any proportion.Suitable mineral powder is added in prescription can be reduced the material cost for exempting from painted plastic.
Pearl powder is also known as pearlescent pigment, is to be made of one or several kinds of thin layer of metal oxide cladding mica, the present invention is excellent
The pearl powder that choosing is constituted using TiO2 cladding mica sheet.
Aluminum paste (English name Aluminiumpaste, alias: aluminum paste, flash of light slurry, silver paste) is granularity in 10nm-
The paste pigment of 300nm, main component are snow flaky aluminum particle and petroleum solvent, have excellent luminous reflectanc and metal
Gloss is used in mixed way with transparent coloured pigments, and paint film has apparent " effect ", the very magnificent beauty of decorative effect
It sees, the imitative electroplating effect for exempting from painted plastic can be enhanced using aluminum paste.
Antioxidant be antioxidant 1010, irgasfos 168, antioxidant 1076 it is one of or in which several in any proportion
Mixture.
Coupling agent is mineral oil or silicone oil or mineral oil and the mixture of silicone oil in any proportion.
Lubricant is amide series lubricant agent, stearic acid lubricant is one of or in which several with person's waxy lubricant
Mixture in any proportion.Lubricant provides lubrication for pearl powder and aluminum paste, and pearl powder and aluminum paste can be promoted uniformly to divide
It dissipates in the plastic.
The step of exempting from painted plastic in preparation is as follows: firstly, taking following component by mass fraction: 60-100 parts of PP resin,
0.1-5 parts of pearl powder, 0.05-2 parts of aluminum paste, 1-25 parts of mineral powder, 0.5-5 parts of lubricant, 0.2-5 parts of antioxidant and coupling
0.2-2 parts of agent.Wherein, pearl powder, aluminum paste, lubricant, antioxidant are uniformly mixed, lubricant is allowed to be well dispersed in pearly-lustre
In powder and aluminum paste, then it is added PP resin, mineral powder and coupling agent incorporation time 3-5 minutes in batch mixer and sufficiently mix
Conjunction obtains mixture, and mixture is obtained exempting to spray in processing temperature by double screw extruder in 180 DEG C of -210 DEG C of extruding pelletizations
Apply the preformed particles of plastics.
The preformed particles for exempting from painted plastic being prepared can prepare lid 20 using injection molding, and preparation method is such as
Under: firstly, injection molding machine (wherein, 180-230 DEG C of the barrel temperature of injection molding machine, injection is added in the preformed particles for exempting from painted plastic
Pressure is 70MPa, injection speed 65%, 230 DEG C of hot-fluid channel temp), the preformed particles for exempting from painted plastic become melt plastic cement.Its
It is secondary, exempt from the gum-injecting port that painted plastic injects mold by injection molding machine in the molten state, which has for forming lid 2
Gum-injecting port is arranged in a side of die cavity, the die cavity, and the die cavity is rounded or arc-shaped, and the top cavity wall of die cavity is with a plurality of concentric
The dimpled grain of arc-shaped；Melt plastic cement is after the die cavity of gum-injecting port injection mold, from gum-injecting port two sides respectively along mould intracavity wall stream
Dynamic, since die cavity is provided in round or arc-shaped, the dimpled grain of die cavity and a plurality of concentric circles arcuation can be to the flowing of melt plastic cement
Guiding role is generated, melt plastic cement is from the two sides of gum-injecting port respectively with both direction clockwise, counterclockwise along mould intracavity wall stream
It is dynamic that until finally filling up die cavity, therefore, the maximum path that melt plastic cement flows in die cavity is the perimeter of half of die cavity,
180 ° of circular movement；Also, melt plastic cement is generating centripetal force in round or arc-shaped die cavity flow process, this to
Mental and physical efforts make the pearl powder 24 in melt plastic cement in different angles or/and different conditions arrangement, if to be located at 2 outer surface of lid
Dry pearlescent flake 24 can improve the reflection ratio of light towards the outside reflection light of all angles, allow the outer surface of lid 2 to be in
The bright silver of existing high glaze.
Melt plastic cement is filled in die cavity, and a plurality of concentric circles arcuation dimpled grain in the top cavity wall of die cavity allows molding lid 2
The corresponding burr 21 with a plurality of concentric circles arcuation in upper surface, the burr 21 increase the surface area of 2 upper surface of lid, that is, increase
The big reflective surface size of lid 2；Also, since melt plastic cement is guiding flow process along dimpled grain under centripetal force effect
In, it makes pearl powder 24 in different angles or/and different conditions is arranged on burr 21, the outer surface of lid 2 will not only be allowed to produce
The surface defects such as raw flow liner, moreover it is possible to the reflection ratio for allowing pearl powder 24 that burr 21 is allowed to all have preferable light in all angles,
Ensure that the bright silver of high glaze is presented in 2 outer surface of lid.
Wherein, in as shown in Figure 4, it can be set as gum-injecting port 23 at the corresponding buckle 22 of die cavity, allows gum-injecting port 23 far from mould
The top cavity wall of chamber, avoiding being easy the surface defect generated at gum-injecting port 23 influences the overall appearance of lid 2.
Furthermore exempt from painted plastic with preferable physical property, so that the lid being prepared also has preferable physics
Performance.
Exempt from 96.5 parts of the embodiment 1:PP resin of painted plastic, 0.2 part of pearl powder, 0.1 part of aluminum paste, 2 parts of mineral powder, moistens
0.5 part of lubrication prescription, 0.2 part of antioxidant, 0.5 part of coupling agent.
Exempt from 91.2 parts of the embodiment 2:PP resin of painted plastic, 0.5 part of pearl powder, 0.3 part of aluminum paste, 7 parts of mineral powder, moistens
1 part of lubrication prescription, 0.3 part of antioxidant, 0.3 part of coupling agent.
Exempt from 60 parts of the embodiment 3:PP resin of painted plastic, 0.1 part of pearl powder, 0.05 part of aluminum paste, 1 part of mineral powder, moistens
0.5 part of lubrication prescription, 0.2 part of antioxidant, 0.2 part of coupling agent.
Exempt from 100 parts of the embodiment 4:PP resin of painted plastic, 5 parts of pearl powder, 2 parts of aluminum paste, 25 parts of mineral powder, lubricant
5 parts, 5 parts of antioxidant, 2 parts of coupling agent.
Exempt from 100 parts of the embodiment 5:PP resin of painted plastic, 2 parts of pearl powder, 2 parts of aluminum paste, 25 parts of mineral powder, lubricant
0.5 part, 1 part of antioxidant, 2 parts of coupling agent.
PP resin is respectively adopted, several specifications are made using injection molding in the painted plastic of exempting from that embodiment 1-5 is obtained
20mmx10mmx3mm laboratory sample, using laboratory sample made from PP resin as the contrast groups of embodiment 1-5.Wherein, injection molding machine
180-230 DEG C of barrel temperature, injection pressure 70MPa, injection speed 65%, 230 DEG C of hot-fluid channel temp.In addition, to each
Testing standard used by laboratory sample is tested is as follows: test tensile strength (MPa) uses 527 standard of ISO, tests curved
Qu Qiangdu (MPa) uses 178 standard of ISO, impact strength (KJ/m2) using 180 standard of ISO, whether the surface defects such as flow liner
Using voluntarily estimating, test result be see the table below shown in 1:
| Laboratory sample | Tensile strength (MPa) | Bending strength (MPa) | Impact strength (KJ/m2) | Surface defect |
| Contrast groups | 31.4 | 37.1 | 4.1 | / |
| Embodiment 1 | 30.1 | 36.6 | 3.5 | Nothing |
| Embodiment 2 | 30.2 | 36.2 | 2.9 | Nothing |
| Embodiment 3 | 30.7 | 36.8 | 3.6 | Nothing |
| Embodiment 4 | 29.4 | 35.1 | 2.1 | Nothing |
| Embodiment 5 | 28.2 | 34.3 | 2.1 | Nothing |
Table 1
It can be seen that physical property and PP resin are without this using the lid 2 for exempting from painted plastic preparation of embodiment 1-5
Matter difference substantially maintains the good physical of PP resin, preferably practices prospect to have.
The foregoing is merely the preferred embodiments of the application, not to limit the application, all essences in the application
Made any modifications, equivalent replacements, and improvements etc., should be included within the scope of protection of this application within mind and principle.
Claims (10)
1. one kind exempt from spray lid, which is characterized in that the monnolithic case of the lid is rounded or arc-shaped, the lid it is upper
Surface has the burr of a plurality of concentric circles arcuation, and the lid includes by exempting from painted plastic injection molding, the painted plastic of exempting from
The ingredient of following mass fraction: 60-100 parts of PP resin, 0.1-5 parts of pearl powder, 0.05-2 parts of aluminum paste, 1-25 parts of mineral powder,
0.5-5 parts of lubricant, 0.2-5 parts of antioxidant and 0.2-2 parts of coupling agent.
2. exempting to spray lid according to claim 1, which is characterized in that the shape of the burr and the entirety of the lid are outer
Shape is consistent, and the lid and the burr are rounded or are arc-shaped.
3. exempting to spray lid according to claim 1, which is characterized in that a plurality of burr is uniformly concentric with same intervals
It is arranged in the upper surface of the lid.
4. exempting to spray lid according to claim 1, which is characterized in that mineral powder is silicates inorganic matter, Calcium carbonate
One of or in which several mixture in any proportion of inorganic matter and barium class inorganic matter, pearl powder coat mica by TiO2
Piece is constituted.
5. exempting to spray lid according to claim 1, which is characterized in that lubricant is amide series lubricant agent, stearic acid profit
One of or in which several mixture in any proportion of lubrication prescription and person's waxy lubricant.
6. a kind of pot cover, including bottom cover, there is the handle portion of protrusion setting, which is characterized in that the handle portion on the bottom cover
Upper surface be equipped with exempt from as described in claim 1-4 any one spraying lid.
7. a kind of preparation method for exempting to spray lid, which is characterized in that comprising steps of
Generate molten condition exempts from painted plastic, wherein described to exempt from the ingredient that painted plastic includes following mass fraction: PP resin
60-100 parts, 0.1-5 parts of pearl powder, 0.05-2 parts of aluminum paste, 1-25 parts of mineral powder, 0.5-5 parts of lubricant, antioxidant 0.2-
5 parts and 0.2-2 parts of coupling agent；
By the gum-injecting port exempted from painted plastic and inject mold in the molten state, institute is generated using the cavity forming of the mold
State lid, wherein the die cavity is rounded or arc-shaped, and the top cavity wall of the die cavity has the dimpled grain of a plurality of concentric circles arcuation,
The gum-injecting port is connected with a side of the die cavity.
8. exempting from the preparation method of spraying lid according to claim 7, which is characterized in that the painted plastic of exempting to be prepared into
Preformed particles addition injection molding machine production molten condition is exempted from painted plastic by preformed particles.
9. exempting from the preparation method of spraying lid according to claim 7, which is characterized in that the painted plastic of exempting to be prepared into
The step of preformed particles includes:
Pearl powder, aluminum paste, lubricant, antioxidant are uniformly mixed, lubricant is allowed to be well dispersed in pearl powder and aluminum paste
In, PP resin, mineral powder and being sufficiently mixed for coupling agent incorporation time 3-5 minutes in batch mixer is then added and is mixed
Object；
Mixture is obtained described to exempt from painted plastic in 180 DEG C of -210 DEG C of extruding pelletizations in processing temperature by double screw extruder
The preformed particles.
10. exempt from according to claim 7 spray lid preparation method, which is characterized in that the side of the lid have to
The buckle of lower extension, the gum-injecting port are located at the die cavity and correspond at the buckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910676403.0A CN110301831B (en) | 2019-07-25 | 2019-07-25 | Pot cover, spraying-free cover body and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910676403.0A CN110301831B (en) | 2019-07-25 | 2019-07-25 | Pot cover, spraying-free cover body and preparation method |
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| Publication Number | Publication Date |
|---|---|
| CN110301831A true CN110301831A (en) | 2019-10-08 |
| CN110301831B CN110301831B (en) | 2021-08-31 |
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ID=68081030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201910676403.0A Active CN110301831B (en) | 2019-07-25 | 2019-07-25 | Pot cover, spraying-free cover body and preparation method |
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| CN2566771Y (en) * | 2001-10-17 | 2003-08-20 | 海因里希-贝尔恩斯家庭技术股份公司 | Lid for preventing liquid blowout |
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| CN203619385U (en) * | 2013-09-16 | 2014-06-04 | 钱桂坚 | Vacuum insulated food jar with double handles |
| CN104693602A (en) * | 2015-03-15 | 2015-06-10 | 蔡勤勤 | High-flowability high-glossiness no-surface-defect colored metallic-pearl-effect spraying-free polypropylene automobile material and preparation method thereof |
| CN107722446A (en) * | 2017-10-31 | 2018-02-23 | 四川长虹电器股份有限公司 | Polypropylene material and preparation method thereof with high glaze, low linear expansion coefficient |
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2019
- 2019-07-25 CN CN201910676403.0A patent/CN110301831B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2566771Y (en) * | 2001-10-17 | 2003-08-20 | 海因里希-贝尔恩斯家庭技术股份公司 | Lid for preventing liquid blowout |
| CN101416837A (en) * | 2007-10-27 | 2009-04-29 | Sar控股国际有限公司 | Silicone Steamer |
| CN102464857A (en) * | 2010-11-15 | 2012-05-23 | 上海锦湖日丽塑料有限公司 | Extrusion grade aesthetical resin possessing metal color effect and its preparation method |
| CN203619385U (en) * | 2013-09-16 | 2014-06-04 | 钱桂坚 | Vacuum insulated food jar with double handles |
| CN104693602A (en) * | 2015-03-15 | 2015-06-10 | 蔡勤勤 | High-flowability high-glossiness no-surface-defect colored metallic-pearl-effect spraying-free polypropylene automobile material and preparation method thereof |
| CN107722446A (en) * | 2017-10-31 | 2018-02-23 | 四川长虹电器股份有限公司 | Polypropylene material and preparation method thereof with high glaze, low linear expansion coefficient |
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| Publication number | Publication date |
|---|---|
| CN110301831B (en) | 2021-08-31 |
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