CN108070208A - The preparation method of the anti-aging melamine molding compound of high temperature resistant - Google Patents
The preparation method of the anti-aging melamine molding compound of high temperature resistant Download PDFInfo
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- CN108070208A CN108070208A CN201711387018.1A CN201711387018A CN108070208A CN 108070208 A CN108070208 A CN 108070208A CN 201711387018 A CN201711387018 A CN 201711387018A CN 108070208 A CN108070208 A CN 108070208A
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- melamine
- high temperature
- aging
- molding compound
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08L61/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
- C08L61/28—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with melamine
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- 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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- 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
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- 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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- 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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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)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention relates to the present invention relates to plastics preparing technical field, the preparation methods of more particularly to a kind of anti-aging melamine molding compound of high temperature resistant.Comprise the following steps：(1) formalin, melamine are added in stainless steel cauldron in sealed environment, adjusts pH value, melamine resin is made in 90 98 DEG C of pyroreactions 120 minutes.(2) melamine resin is put into vacuum kneader, add in α wood pulp celluloses, high temperature latent curative, PB diluents, mill base, zinc stearate, temperature is maintained at 40 DEG C of stirring 30min, and the flower-shaped particle of rice krispies is obtained into oven drying after disperseing.(3) melamine molding compound is packed into ball mill, adds in Lacquer finish powder, optical brightener, the scattered 10h of calcium carbonate blending, got product with 80 mesh sieve mesh screen powder.Melamine molding compound prepared by the present invention has the advantages that high temperature resistant, anti-aging, high intensity, high gloss, lovely luster, free formaldehyde content are low etc..
Description
Technical field
The present invention relates to plastics preparing technical field, the preparation side of more particularly to a kind of anti-aging melamine molding compound of high temperature resistant
Method.
Background technology
Melamine molding compound is to obtain resin by formaldehyde, melamine polymerisation, then with cellulose, curing agent, the demoulding
A kind of thermosetting plastics for forming of the blendings such as agent, toner drying, has that easily molded, shrinking percentage is low, size is accurate, processing performance is good
The advantages of good.Its product has the characteristics that excellent high temperature resistant, anti-aging, high rigidity, lovely luster, glossiness are good, uses extensively
In tableware, electrical, amusement etc. and closely related product of living.
Current this material is mainly used for tableware, but non-refractory, and product anti-aging property is poor, and material is more crisp, easy
Fracture occurs and big product can not be made.Why be present with case above be because traditional handicraft molecular resin amount it is relatively low,
Resin crosslinks polymerization is inadequate, and using intermediate temperature curing agent filler particles degree is selected to cause material generally in 300 mesh or so mostly
Poor with reference to power between material, high temperature resistant anti-aging property is poor.
The content of the invention
In order to compensate for the shortcomings of the prior art, the present invention provides a kind of preparation sides of the anti-aging melamine molding compound of high temperature resistant
Method.
The present invention is achieved through the following technical solutions：
A kind of preparation method of the anti-aging melamine molding compound of high temperature resistant, it is characterised in that：Comprise the following steps：
(1) melamine resin is prepared：
By the formalin of 36.8% mass fraction, melamine with mass ratio 2.0 in sealed environment:1 ratio adds
Enter in stainless steel cauldron, it is 8-9.5, Ran Houjia to adjust above-mentioned mixed solution pH value with the PHA conditioning agents of 10% mass fraction
Enter triethanolamine, reaction temperature rises to 90-98 DEG C of pyroreaction 120 minutes, and melamine resin is made；
Before the formalin adds in stainless steel cauldron with melamine, mixed by supercentrifuge.
(2) melamine mould particulate material is prepared
Melamine resin in step (1) and α-wood pulp cellulose are put into vacuum kneader, then added in high
Warm latent curative, PB diluents, mill base, zinc stearate, temperature are maintained at 40 DEG C of stirring 30min, are done after scattered into baking oven
It is dry to obtain the flower-shaped melamine mould particulate material of 0.5-1.5cm rice krispies.
(3) melamine moulding feed powder is made
It weighs the flower-shaped melamine mould particulate material of rice krispies in step (2) and is packed into ball mill, add in Lacquer finish powder, optical brightener, calcium carbonate
The scattered 10h of blending, is got product with 80 mesh sieve mesh screen powder.
Wherein, PHA conditioning agents described in step (1) include the mixed of one or more of sodium acid carbonate, ammonium hydroxide, ethanolamine
It closes.
Wherein, the quality of the triethanolamine added in step (1) is the 0.1- of formalin and melamine gross mass
1%, reaction temperature is 95 DEG C in step (1).
Wherein, feed intake in step (2) by following parts by weight：120-240 parts of melamine resin, α-wood pulp cellulose
20-40 parts, 2-3 parts of high temperature latent curative, 2-3 parts of PB diluents, 0.5-1 parts of mill base, 6-8 parts of zinc stearate.
Above-mentioned high temperature latent curative be aliphatic amine curing agent, specifically include sulfamic acid, ammonium sulfate, ammonium chloride,
The combination of one or more of monoethanolamine, diethanol amine, triethanolamine.
Above-mentioned PB diluents are acrylic acid amides.
Wherein, the parts by weight of the material of addition are respectively in step (3)：80-100 parts of melamine mould particulate material, Lacquer finish powder
10-15 parts, 1-3 parts of optical brightener, 5-8 parts of calcium carbonate.
Above-mentioned optical brightener is polyethylene wax.
Calcium carbonate whiteness is 96 in step (3), and granularity is 1250 mesh.
Lacquer finish powder is also known as melamine light-shielding resin, it be formaldehyde and melamine reaction resin, drying ball milling into powder, use
When suppressing tableware, surface is spread, and increases the bright cleanliness in surface.
The beneficial effects of the invention are as follows：Melamine molding compound prepared by the present invention has high temperature resistant, anti-aging, high intensity, height
The advantages such as glossiness, lovely luster, free formaldehyde content be low, available for tableware, sanitary ware, amusement equipment, electric elements, vapour
In-car decorations etc. have filled up the blank of a melamine molding compound.
Specific embodiment
In order to make those skilled in the art that the present invention may be better understood, with reference to embodiment to the technology of the present invention
Scheme further illustrates.
1. a kind of preparation method of the anti-aging melamine molding compound of high temperature resistant, it is characterised in that：Comprise the following steps：(1) make
Standby melamine resin：
By the formalin of 36.8% mass fraction, melamine with mass ratio 2.0 in sealed environment:1 ratio adds
Enter in stainless steel cauldron, it is 8-9.5, Ran Houjia to adjust above-mentioned mixed solution pH value with the PHA conditioning agents of 10% mass fraction
Enter triethanolamine, reaction temperature rises to 90-98 DEG C of pyroreaction 120 minutes, and melamine resin is made；
Before the formalin adds in stainless steel cauldron with melamine, mixed by supercentrifuge.
(2) melamine mould particulate material is prepared
Melamine resin in step (1) and α-wood pulp cellulose are put into vacuum kneader, then added in high
Warm latent curative, PB diluents, mill base, zinc stearate, temperature are maintained at 40 DEG C of stirring 30min, are done after scattered into baking oven
It is dry to obtain the flower-shaped melamine mould particulate material of 0.5-1.5cm rice krispies；
(3) melamine moulding feed powder is made
It weighs the flower-shaped melamine mould particulate material of rice krispies in step (2) and is packed into ball mill, add in Lacquer finish powder, optical brightener, calcium carbonate
The scattered 10h of blending, is got product with 80 mesh sieve mesh screen powder.
PHA conditioning agents described in step (1) include the mixing of one or more of sodium acid carbonate, ammonium hydroxide, ethanolamine.
Reaction temperature is 95 DEG C in step (1).
Step feeds intake in (2) by following parts by weight：120-240 parts of melamine resin, α-wood pulp cellulose 20-40
Part, 2-3 parts of high temperature latent curative, 2-3 parts of PB diluents, 0.5-1 parts of mill base, 6-8 parts of zinc stearate.
High temperature latent curative is included in sulfamic acid, ammonium sulfate, ammonium chloride, monoethanolamine, diethanol amine, triethanolamine
One or more of combinations.
The PB diluents are acrylic acid amides.
The parts by weight of the material of addition are respectively in the step (3)：80-100 parts of melamine mould particulate material, Lacquer finish powder
10-15 parts, 1-3 parts of optical brightener, 5-8 parts of calcium carbonate.
Optical brightener is polyethylene wax.
Calcium carbonate whiteness is 96 in step (3), and granularity is 1250 mesh.
A kind of preparation method of the anti-aging melamine molding compound of high temperature resistant provided by the invention is described in detail above.
The explanation of specific embodiment is only intended to help the method and its core concept for understanding the present invention.It should be pointed out that for this technology
For the those of ordinary skill in field, without departing from the principle of the present invention, several improvement can also be carried out to the present invention
And modification, these improvement and modification are also fallen into the protection domain of the claims in the present invention.
Claims (9)
1. a kind of preparation method of the anti-aging melamine molding compound of high temperature resistant, it is characterised in that：Comprise the following steps：(1) three are prepared
Melamine-formaldehyde resin：
By the formalin of 36.8% mass fraction, melamine with mass ratio 2.0 in sealed environment:1 ratio adds in not
It becomes rusty in steel reaction kettle, it is 8-9.5 to adjust above-mentioned mixed solution pH value with the PHA conditioning agents of 10% mass fraction, then adds in three
Ethanolamine, reaction temperature rise to 90-98 DEG C of pyroreaction 120 minutes, and melamine resin is made；
Before the formalin adds in stainless steel cauldron with melamine, mixed by supercentrifuge.
(2) melamine mould particulate material is prepared
Melamine resin in step (1) and α-wood pulp cellulose are put into vacuum kneader, high temperature is then added in and dives
Curing agent, PB diluents, mill base, zinc stearate are lied prostrate, temperature is maintained at 40 DEG C of stirring 30min, is obtained after scattered into oven drying
To the flower-shaped melamine mould particulate material of 0.5-1.5cm rice krispies；
(3) melamine moulding feed powder is made
It weighs the flower-shaped melamine mould particulate material of rice krispies in step (2) and is packed into ball mill, add in Lacquer finish powder, optical brightener, calcium carbonate blending
Scattered 10h, is got product with 80 mesh sieve mesh screen powder.
2. the preparation method of the anti-aging melamine molding compound of high temperature resistant according to claim 1, it is characterised in that：Step (1)
Described in PHA conditioning agents include the mixing of sodium acid carbonate, ammonium hydroxide, one or more of ethanolamine.
3. the preparation method of the anti-aging melamine molding compound of high temperature resistant according to claim 1, it is characterised in that：Step (1)
Middle reaction temperature is 95 DEG C.
4. the preparation method of the anti-aging melamine molding compound of high temperature resistant according to claim 1, it is characterised in that：Step (2)
In feed intake by following parts by weight：120-240 parts of melamine resin, α -20-40 parts of wood pulp cellulose, high temperature are hidden curing
2-3 parts of agent, 2-3 parts of PB diluents, 0.5-1 parts of mill base, 6-8 parts of zinc stearate.
5. the preparation method of the anti-aging melamine molding compound of high temperature resistant according to claim 4, it is characterised in that：High temperature is hidden
Curing agent includes the group of one or more of sulfamic acid, ammonium sulfate, ammonium chloride, monoethanolamine, diethanol amine, triethanolamine
It closes.
6. the preparation method of the anti-aging melamine molding compound of high temperature resistant according to claim 4, it is characterised in that：The PB is dilute
Agent is released as acrylic acid amides.
7. the preparation method of the anti-aging melamine molding compound of high temperature resistant according to claim 1, it is characterised in that：The step
(3) parts by weight of the material of addition are respectively in：80-100 parts of melamine mould particulate material, 10-15 parts of Lacquer finish powder, optical brightener 1-3
Part, 5-8 parts of calcium carbonate.
8. the preparation method of the anti-aging melamine molding compound of high temperature resistant according to claim 7, it is characterised in that：Optical brightener is
Polyethylene wax.
9. the preparation method of the anti-aging melamine molding compound of high temperature resistant according to claim 1, it is characterised in that：Step (3)
Middle calcium carbonate whiteness is 96, and granularity is 1250 mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711387018.1A CN108070208A (en) | 2017-12-20 | 2017-12-20 | The preparation method of the anti-aging melamine molding compound of high temperature resistant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711387018.1A CN108070208A (en) | 2017-12-20 | 2017-12-20 | The preparation method of the anti-aging melamine molding compound of high temperature resistant |
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| Publication Number | Publication Date |
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| CN108070208A true CN108070208A (en) | 2018-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711387018.1A Withdrawn CN108070208A (en) | 2017-12-20 | 2017-12-20 | The preparation method of the anti-aging melamine molding compound of high temperature resistant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109021497A (en) * | 2018-10-31 | 2018-12-18 | 浙江联诚氨基材料有限公司 | A kind of degradable melamine dishware moulding compound |
-
2017
- 2017-12-20 CN CN201711387018.1A patent/CN108070208A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109021497A (en) * | 2018-10-31 | 2018-12-18 | 浙江联诚氨基材料有限公司 | A kind of degradable melamine dishware moulding compound |
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Application publication date: 20180525 |