CN106496623A - A kind of production technology of melamine dishware - Google Patents
A kind of production technology of melamine dishware Download PDFInfo
- Publication number
- CN106496623A CN106496623A CN201610973106.9A CN201610973106A CN106496623A CN 106496623 A CN106496623 A CN 106496623A CN 201610973106 A CN201610973106 A CN 201610973106A CN 106496623 A CN106496623 A CN 106496623A
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- CN
- China
- Prior art keywords
- melamine
- melamine dishware
- production technology
- heat resistance
- high temperature
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/0427—Coating with only one layer of a composition containing a polymer binder
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D155/00—Coating compositions based on homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C09D123/00 - C09D153/00
- C09D155/02—ABS [Acrylonitrile-Butadiene-Styrene] polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2361/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
- C08J2361/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08J2361/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
- C08J2361/28—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with melamine
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2455/00—Characterised by the use of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08J2423/00 - C08J2453/00
- C08J2455/02—Acrylonitrile-Butadiene-Styrene [ABS] polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of production technology of melamine dishware, compared with prior art, the production technology forms the sprayed coating with heat resistance fiber and high temperature resistant ABS material by the melamine dishware surface that is effectively controlled of time and temperature, the addition of high temperature resistant ABS material effectively increases the heat-resisting quantity on melamine dishware surface, at the same time, as heat resistance fiber has higher fusing point, by the control to high temperature resistant ABS material and heat resistance fiber weight ratio, the heat-resisting quantity on melamine dishware surface is further improved, the probability of tripolycyanamide and formaldehyde is separated out so as to reduce melamine dishware, be conducive to improving dining safety.
Description
Technical field
A kind of the present invention relates to tableware manufacture field, more particularly, it relates to production technology of melamine dishware.
Background technology
Food tripolycyanamide polymerization forming product belong to one kind of plastic containers, commonly referred to as melamine dishware, melamine
Tableware due to its not easily broken the characteristics of, more and more universal used by family, school, restaurant.
Melamine dishware is specifically made up of tripolycyanamide and formaldehyde resin polymerization, and melamine dishware resistance to elevated temperatures is poor, when close
When at amine tableware at high temperature, tripolycyanamide and formaldehyde is easily separated out, tripolycyanamide itself has certain toxicity, dissolubility
Difference, can crystallize in kidney after sucking and become calculus, and then affect health, prior art to there are improvements.
Content of the invention
In view of the shortcomings of the prior art, it is an object of the invention to provide a kind of production technology of melamine dishware, is somebody's turn to do
Production technology by the prepared spray paint collectively formed by heat resistance fiber and high temperature resistant ABS material and is covered in melamine dishware
On, largely improve melamine dishware heat-resisting quantity.
For achieving the above object, the invention provides following technical scheme：A kind of production technology of melamine dishware, including with
Lower step：
Step A1, the high temperature resistant ABS material of the heat resistance fiber of 1 to 2 part of listed as parts by weight and 3 to 6 parts is put into mixer, is passed through
ABS compounds are obtained after 150 DEG C to 180 DEG C of high temperature combination drying；
Step B1, obtained ABS compounds are put into reactor it are heated to 180 DEG C -220 DEG C, the spray for assuming molten condition is obtained
Coating is simultaneously put it in spraying production equipment；
Step A2, melamine is weighed after be put into high frequency preheater, 20 to 40 seconds preheating time, 80 DEG C of preheating temperature to 120 DEG C,
So that melamine assumes molten condition；
Step B2, melamine is put in the mould of punching press shaping equipment, punch forming is obtained tableware preform and simultaneously puts it into
In spraying production equipment；
Step C, spray paint is sprayed at tableware preform for filling the surface of food by spraying production equipment, to form spraying
Layer, above-mentioned spray layer thickness are 1 to 3mm；
Step D, to spraying after tableware preform carry out edge shearing；
Step E, to shearing after tableware preform surface polishing is carried out by polisher, melamine dishware finished product is obtained.
By adopting above-mentioned technical proposal, the production technology is effectively controlled melamine dishware table by time and temperature
Face forms the sprayed coating with heat resistance fiber and high temperature resistant ABS material, and the addition of high temperature resistant ABS material effectively increases melamine dishware table
The heat-resisting quantity in face, at the same time, as heat resistance fiber has higher fusing point, by high temperature resistant ABS material and heat resistance fiber
The control of weight ratio, further improves the heat-resisting quantity on melamine dishware surface, so as to reduce melamine dishware separate out tripolycyanamide and
The probability of formaldehyde, is conducive to improving dining safety.
The present invention is further arranged to：The heat resistance fiber is glass fibre, carbon fiber, Fypro and acrylate
Any one or a few combination of fiber.
By adopting above-mentioned technical proposal, glass fibre, carbon fiber, Fypro and acrylate fiber cost compared with
Low, be conducive to the cost payout of effective control melamine dishware while melamine dishware resistance to elevated temperatures is lifted.
The present invention is further arranged to：The toughener of 0.1 to 0.5 weight portion, the increasing are also placed with step B1
Tough dose is ethylene-methyl acrylate copolymer.
By adopting above-mentioned technical proposal, ethylene-methyl acrylate copolymer is placed with beneficial to the anti-impact for improving material
Performance is hit, and then improves the impact resistance on the surface of melamine dishware.
The present invention is further arranged to：The Hinered phenols antioxygen of 0.01 to 0.1 weight portion is also placed with step B1
Agent.
Be conducive to the process for delaying material oxidation by adopting the addition of above-mentioned technical proposal, Hinered phenols antioxidant, from
And the oxidation rate of reduction melamine dishware sprayed coating, and then improve the service life of melamine dishware.
The present invention is further arranged to：The heat resistance fiber is 1 with high temperature resistant ABS material weight ratio:2.
By adopting above-mentioned technical proposal, as the addition of heat resistance fiber can also increase the fragility of sprayed coating, toughness reduces,
Cause melamine dishware surface impact resistance to reduce, control the part by weight between above-mentioned heat resistance fiber and high temperature resistant ABS material, have
The resistance to elevated temperatures of sprayed coating is improved while there is certain toughness beneficial to control sprayed coating.
The present invention is further arranged to：The mixer drying time is 30 minutes, and baking temperature is 170 DEG C.
By adopting above-mentioned technical proposal, control the above-mentioned time and temperature is conducive to keeping heat resistance fiber and high temperature resistant
Higher hybrid working efficiency is kept while ABS material property of raw material.
The present invention is further arranged to：The reactor heating-up temperature is 210 DEG C, and the response time is 1 hour.
By adopting above-mentioned technical proposal, control the above-mentioned time and temperature is conducive to keeping heat resistance fiber and high temperature resistant
Higher reaction work efficiency is kept while ABS material property of raw material.
The present invention is further arranged to：The 30 seconds high frequency preheater preheating time, 100 DEG C of preheating temperature.
By adopting above-mentioned technical proposal, control the above-mentioned time and temperature keeps melamine while being conducive to quickly heating
The property of raw material of material.
The present invention is further arranged to：The spray layer thickness is 2mm.
By adopting above-mentioned technical proposal, be conducive to improving melamine dishware heat-resisting quantity using the sprayed coating of above-mentioned thickness
The thickness of melamine dishware itself is kept while energy.
In sum, the invention has the advantages that：
One：Melamine dishware obtained in the production technology effectively improves high temperature resistant by increased sprayed coating on its own surface
Performance；
Which two：Sprayed coating on melamine dishware contains high temperature resistant ABS material, and on the one hand high temperature resistant ABS material is used for resistance to elevated temperatures
Lifting, on the other hand according to its material behavior, its stable chemical performance substantially will not be with acid, oiliness or the material of alkalescence
Reaction, is conducive to further improving melamine dishware use range, improves safety in utilization.
Description of the drawings
Fig. 1 is the process chart of the present invention.
Specific embodiment
The embodiment of the present invention is described further with reference to Fig. 1.
Embodiment one：
As shown in figure 1, a kind of production technology of melamine dishware, the melamine dishware can be a series of tablewares such as service plate, bowl, have
Body is comprised the following steps：
Step A1, the high temperature resistant ABS material of the heat resistance fiber of 1 to 2 part of listed as parts by weight and 3 to 6 parts is put into mixer, heat-resisting fibre
Dimension can be any one or a few combination of glass fibre, carbon fiber, Fypro and acrylate fiber, actual raw
In product, heat resistance fiber selects the addition of glass fibre, glass fibre improve obtained sprayed coating in later steps C
Intensity, and then the surface strength of melamine dishware is lifted, for the ease of mixing, the glass fibre is in powdery, heat resistance fiber and resistance to height
Warm ABS material weight ratio is 1:2, that is, the high temperature resistant ABS material of the heat resistance fiber and 3 weight portions of 1 weight portion is put into, through 150
ABS compounds are obtained DEG C to 180 DEG C of high temperature combination drying, and the moisture that high temperature drying can reduce in high temperature resistant ABS material contains
Amount, mixer specific drying time are 30 minutes, and baking temperature is preferably 170 DEG C；
Step B1, receiving ABS compounds, the toughener of 0.1 to 0.5 weight portion and 0.01 to 0.1 weight portion obtained in 1 part
Resistance phenolic antioxidant is put into reactor and is heated to 180 DEG C -220 DEG C, and preferably reactor heating-up temperature is 210 DEG C, when specifically reacting
Between be 1 hour, above-mentioned toughener be ethylene-methyl acrylate copolymer, specially 0.25 weight portion, above-mentioned Hinered phenols antioxygen
Agent is specially 0.05 weight portion, the spray paint of presentation molten condition is obtained and puts it in spraying production equipment；
Step A2, melamine is weighed after be put into high frequency preheater, 20 to 40 seconds preheating time, 80 DEG C of preheating temperature to 120 DEG C,
In concrete production, high frequency preheater is controlled to 30 seconds preheating time, and preheating temperature is controlled to 100 DEG C so that melamine presents molten
Melt state；
Step B2, molten condition melamine will be assumed it is put in the mould of punching press shaping equipment, punch forming is obtained tableware preformation
Product are simultaneously put it in spraying production equipment；
Step C, above-mentioned steps A1, step B1 and step A2, step B2 can be carried out simultaneously, produced spray paint and tableware
Preform is simultaneously entered to spraying production equipment, and spraying production equipment includes spraying dustproof room, sprays the temperature control of dustproof room
System has some nozzles at 60 DEG C dust-proof interior is sprayed, and spray paint is spouting by nozzle at high speeds, in order that spray paint can
Spray from nozzle, the temperature control of nozzle segment is 200 DEG C, spray paint is used for the surface cure shape for filling food in tableware preform
Into sprayed coating, above-mentioned spray layer thickness is 1 to 3mm, and spray layer thickness is reached by controlling nozzle emitted dose, by specifically excellent
It is 2mm to select thickness；
Step D, to spraying after melamine dishware will be smooth for its edge shearing by way of manually shearing；
Step E, to shearing after tableware preform surface polishing is carried out by polisher, melamine dishware finished product is obtained.
Embodiment two：
The weight ratio being in place of difference with embodiment one between step A1 heat resistance fiber and high temperature resistant ABS material, the party
In case, heat resistance fiber is 1 with high temperature resistant ABS material weight ratio:6；Be put into 1 weight portion heat resistance fiber and 6 weight portions resistance to
High temperature ABS material, is obtained ABS compounds after high temperature combination drying.
Embodiment three：
The weight ratio being in place of difference with embodiment one between step A1 heat resistance fiber and high temperature resistant ABS material, the party
In case, heat resistance fiber is 1 with high temperature resistant ABS material weight ratio:3；Be put into 1 weight portion heat resistance fiber and 3 weight portions resistance to
High temperature ABS material, is obtained ABS compounds after high temperature combination drying.
Example IV：
The weight ratio being in place of difference with embodiment one between step A1 heat resistance fiber and high temperature resistant ABS material, the party
In case, heat resistance fiber is 2 with high temperature resistant ABS material weight ratio:3；Be put into 2 weight portions heat resistance fiber and 3 weight portions resistance to
High temperature ABS material, is obtained ABS compounds after high temperature combination drying.
For above-mentioned four kinds of embodiments, anti-from product resistance to elevated temperatures (whether deforming upon consideration from surface) and surface
Two angles of impact property (whether fragmentation considers from surface) make contrast, and following table is obtained：
| Embodiment one | Embodiment two | Embodiment three | Example IV | |
| Product resistance to elevated temperatures | 150℃-155℃ | 157℃-163℃ | 166℃-172℃ | 176℃-180℃ |
| Surface impact energy | By force | Stronger | Typically | Easily fragmentation |
As seen from the above table with the rising of heat resistance fiber (i.e. glass fibre) content in this programme, its product resistance to elevated temperatures continues
Rise, but the shock resistance on its surface also persistently reduces, so this programme makes melamine product that there is preferable high temperature resistant
Also there is while performance higher surface impact energy, preferred embodiment one.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned enforcement
Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications
Should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of production technology of melamine dishware, it is characterised in that comprise the following steps：
Step A1, the high temperature resistant ABS material of the heat resistance fiber of 1 to 2 part of listed as parts by weight and 3 to 6 parts is put into mixer, is passed through
ABS compounds are obtained after 150 DEG C to 180 DEG C of high temperature combination drying；
Step B1, obtained ABS compounds are put into reactor it are heated to 180 DEG C -220 DEG C, the spray for assuming molten condition is obtained
Coating is simultaneously put it in spraying production equipment；
Step A2, melamine is weighed after be put into high frequency preheater, 20 to 40 seconds preheating time, 80 DEG C of preheating temperature to 120 DEG C,
So that melamine assumes molten condition；
Step B2, melamine is put in the mould of punching press shaping equipment, punch forming is obtained tableware preform and simultaneously puts it into
In spraying production equipment；
Step C, spray paint is sprayed at tableware preform for filling the surface of food by spraying production equipment, to form spraying
Layer, above-mentioned spray layer thickness are 1 to 3mm；
Step D, to spraying after tableware preform carry out edge shearing；
Step E, to shearing after tableware preform surface polishing is carried out by polisher, melamine dishware finished product is obtained.
2. the production technology of a kind of melamine dishware according to claim 1, it is characterised in that the heat resistance fiber is glass
Any one or a few combination of fiber, carbon fiber, Fypro and acrylate fiber.
3. the production technology of a kind of melamine dishware according to claim 1 and 2, it is characterised in that in step B1 also
The toughener of 0.1 to 0.5 weight portion is placed with, the toughener is ethylene-methyl acrylate copolymer.
4. the production technology of a kind of melamine dishware according to claim 3, it is characterised in that be also put in step B1
There is the Hinered phenols antioxidant of 0.01 to 0.1 weight portion.
5. the production technology of a kind of melamine dishware according to claim 4, it is characterised in that the heat resistance fiber and resistance to height
Warm ABS material weight ratio is 1:2.
6. a kind of production technology of melamine dishware according to claim 5, it is characterised in that the mixer drying time
For 30 minutes, baking temperature was 170 DEG C.
7. the production technology of a kind of melamine dishware according to claim 1, it is characterised in that reactor heating-up temperature is
210 DEG C, the response time is 1 hour.
8. a kind of production technology of melamine dishware according to claim 1, it is characterised in that high frequency preheater preheating time
30 seconds, 100 DEG C of preheating temperature.
9. the production technology of a kind of melamine dishware according to claim 1, it is characterised in that the spray layer thickness is
2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610973106.9A CN106496623A (en) | 2016-11-05 | 2016-11-05 | A kind of production technology of melamine dishware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610973106.9A CN106496623A (en) | 2016-11-05 | 2016-11-05 | A kind of production technology of melamine dishware |
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| Publication Number | Publication Date |
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| CN106496623A true CN106496623A (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610973106.9A Pending CN106496623A (en) | 2016-11-05 | 2016-11-05 | A kind of production technology of melamine dishware |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108084475A (en) * | 2017-12-20 | 2018-05-29 | 贺州宝兴新材料有限公司 | The production technology of melamine dishware |
| CN110126160A (en) * | 2019-05-23 | 2019-08-16 | 宿州市永达密胺制品有限公司 | A kind of melamine dishware printing high-efficient production technology |
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|---|---|---|---|---|
| CN1586872A (en) * | 2004-08-31 | 2005-03-02 | 罗吉秀 | Method for producing colored carved grain melamine resin tableware |
| CN103289288A (en) * | 2012-03-02 | 2013-09-11 | 滁州格美特科技有限公司 | Flame-retardant heat-resisting high-strength ABS (Acrylonitrile Butadiene Styrene) modified material and preparation method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108084475A (en) * | 2017-12-20 | 2018-05-29 | 贺州宝兴新材料有限公司 | The production technology of melamine dishware |
| CN110126160A (en) * | 2019-05-23 | 2019-08-16 | 宿州市永达密胺制品有限公司 | A kind of melamine dishware printing high-efficient production technology |
| CN110126160B (en) * | 2019-05-23 | 2021-06-22 | 宿州市永达密胺制品有限公司 | Printing type efficient production process for melamine tableware |
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Application publication date: 20170315 |