CN107286574A - A kind of microwave stove heat melamine molding compound and preparation method - Google Patents
A kind of microwave stove heat melamine molding compound and preparation method Download PDFInfo
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- CN107286574A CN107286574A CN201710499948.XA CN201710499948A CN107286574A CN 107286574 A CN107286574 A CN 107286574A CN 201710499948 A CN201710499948 A CN 201710499948A CN 107286574 A CN107286574 A CN 107286574A
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- melamine
- molding compound
- melamine resin
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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
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
- C08G12/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
- C08G12/30—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with substituted triazines
- C08G12/32—Melamines
-
- 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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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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
Abstract
A kind of microwave stove heat melamine molding compound and preparation method, described melamine molding compound are made up of following component and percent mass proportioning：40 50% melamine resin, 5 10% glass fibre, 8 20% chemical cellulose, 5 10% kaolin, 5 10% calcium carbonate, 5 20% barium sulfate, 0.5 5% lubricant, 0.05 0.1% curing agent, 0.5 1.0% titanium dioxide, 1 3% triacetic acid ammonium, 0 1% pigment；The composition of above component is defined by quality 100 percent；Wherein formaldehyde accounts for the 50 60% of melamine resin total amount, and melamine accounts for the 40 50% of melamine resin total amount；Described preparation method is：(1) formalin is added in reactor, pH value is adjusted by adding sodium hydroxide；(2) addition reaction；(3) polycondensation reaction；(4) triethanolamine, regulation pH value and terminating reaction are added；(5) mediate：Glass fibre is added with Z-type low speed kneader, chemical cellulose, kaolin, calcium carbonate, titanium dioxide and the above-mentioned melamine resin prepared are mediated；(6) dry；(7) ball milling is crushed；(8) pack.
Description
Technical field
The present invention relates to a kind of microwave stove heat melamine molding compound and preparation method, it is mainly used in tableware, kitchen
Apparatus, belongs to melamine commodity and preparing technical field.
Background technology
Melamine product in the market, at 120 DEG C or so as the heatproof of tableware, kitchen utensils etc., in this temperature
Product used above, which easily produces thermal deformation, discoloration and decomposed, produces harmful substance etc., therefore is usually not used for high temperature place
And micro-wave oven, so as to limit its use scope.
The content of the invention
It is an object of the invention to overcome the shortcomings of that prior art is present, and one kind is provided and carried out in prior art basis
Improvement, the resistance to elevated temperatures of the products such as melamine dishware can be greatly enhanced, expands it using the microwave stove heat of scope with close
Amine moulding compound and preparation method.
The purpose of the present invention is completed by following technical solution, a kind of microwave stove heat melamine molding compound, institute
The melamine molding compound stated is made up of following component and percent mass proportioning：
The composition of above component is defined by quality 100 percent；Wherein formaldehyde accounts for melamine resin total amount
50-60%, melamine accounts for the 40-50% of melamine resin total amount.
As preferred：Described melamine molding compound is made up of following component and percent mass proportioning：
Wherein formaldehyde accounts for the 55% of melamine resin total amount, and melamine accounts for melamine resin total amount
45%.
A kind of preparation method of microwave stove heat melamine molding compound as claimed in claim 1 or 2, described preparation method
Comprise the following steps：
(1) formalin is added in reactor, adjusts pH value to be 8-9 by adding sodium hydroxide；
(2) addition reaction：Add melamine and be warming up to 80-90 DEG C of reaction；
(3) polycondensation reaction：When having white precipitate with 4 DEG C of water test resins, cool 70-80 DEG C, tune pH value is 8-8.5, instead
Terminal should be arrived；
(4) triethanolamine is added, pH value 8.2 is adjusted, terminating reaction is cooled to 65-75 DEG C；
(5) mediate：With Z-type low speed kneader add glass fibre, alpha-cellulose, kaolin, calcium carbonate, titanium dioxide and on
State the melamine resin prepared to mediate, timing changes mixing direction, be stirred to uniform；
(6) dry：Using more piece guipure hot-air oven, 80-85 DEG C of hot-air seasoning, drying must be uniform, controls moisture content
Less than 3.5%, about 3-4 hours drying time；
(7) ball milling is crushed：Enter ball mill ball milling after crushing material 3-8 hours, barium sulfate, lubrication are added in this process
The these requirements such as the density, color matching, control solidification mobile performance of agent, curing agent, pigment to complete material；
(8) pack：Levigate material is stored at shady and cool dry through screen cloth, inner lining film paper bag packing, finished product.
As preferred：In described step (1), pH value is adjusted to be 8.5 by adding sodium hydroxide；
In described step (2), add melamine and be warming up to 85 DEG C of reactions；
In described step (3), when having white precipitate with 4 DEG C of water test resins, cool 75 DEG C, it is 8.2 to adjust pH value；
In described step (4), terminating reaction is cooled to 70 DEG C；
In described step (6), 82 DEG C of hot-air seasonings, drying must be uniform, and control moisture content is below 3.5%, when drying
Between about 3.5 hours；
Enter ball mill ball milling in described step (7), after crushing material 5 hours, ball mill chuck must lead to cooling water cooling
But, temperature of charge is not higher than 50 DEG C.
In described step (8), levigate material 25Kg inner lining films paper bag packing after 60 eye mesh screens.
Improved the invention belongs to one kind to prior art, it can be greatly enhanced the heat-resisting quantity of the products such as melamine dishware
Can, expand it and use scope, the microwave stove heat that is particularly suitable for use in is used.
Embodiment
Below in conjunction with specific embodiment, the present invention will be described in detail：A kind of microwave stove heat of the present invention is used
Melamine molding compound, described melamine molding compound is made up of following component and percent mass proportioning：
The composition of above component is defined by quality 100 percent；Wherein formaldehyde accounts for melamine resin total amount
50-60%, melamine accounts for the 40-50% of melamine resin total amount.
A kind of preparation method of microwave stove heat melamine molding compound as described above, described preparation method includes following step
Suddenly：
(1) formalin is added in reactor, adjusts pH value to be 8-9 by adding sodium hydroxide；
(2) addition reaction：Add melamine and be warming up to 80-90 DEG C of reaction；
(3) polycondensation reaction：When having white precipitate with 4 DEG C of water test resins, cool 70-80 DEG C, tune pH value is 8-8.5, instead
Terminal should be arrived；
(4) triethanolamine is added, pH value 8.2 is adjusted, terminating reaction is cooled to 65-75 DEG C；
(5) mediate：With Z-type low speed kneader add glass fibre, alpha-cellulose, kaolin, calcium carbonate, titanium dioxide and on
State the melamine resin prepared to mediate, timing changes mixing direction, be stirred to uniform；
(6) dry：Using more piece guipure hot-air oven, 80-85 DEG C of hot-air seasoning, drying must be uniform, controls moisture content
Less than 3.5%, about 3-4 hours drying time；
(7) ball milling is crushed：Enter ball mill ball milling after crushing material 3-8 hours, barium sulfate, lubrication are added in this process
The these requirements such as the density, color matching, control solidification mobile performance of agent, curing agent, pigment to complete material；
(8) pack：Levigate material is stored at shady and cool dry through screen cloth, inner lining film paper bag packing, finished product.
Embodiment 1：A kind of melamine molding compound of the present invention is made up of following component and percent mass proportioning：
Wherein formaldehyde accounts for the 55% of melamine resin total amount, and melamine accounts for melamine resin total amount
45%.
A kind of preparation method of microwave stove heat melamine molding compound as described above, described preparation method includes following step
Suddenly：
(1) formalin is added in reactor, adjusts pH value to be 8.5 by adding sodium hydroxide；
(2) addition reaction：Add melamine and be warming up to 85 DEG C of reactions；
(3) polycondensation reaction：When having white precipitate with 4 DEG C of water test resins, cool 75 DEG C, it is 8.2 to adjust pH value, is reacted to end
Point；
(4) triethanolamine is added, pH value 8.2 is adjusted, terminating reaction is cooled to 70 DEG C；
(5) mediate：With Z-type low speed kneader add glass fibre, alpha-cellulose, kaolin, calcium carbonate, titanium dioxide and on
State the melamine resin prepared to mediate, timing changes mixing direction, be stirred to uniform；
(6) dry：Using more piece guipure hot-air oven, 82 DEG C of hot-air seasonings, drying must be uniform, controls moisture content 3%
Hereinafter, drying time about 3.5 hours；
(7) ball milling is crushed：Enter ball mill ball milling after crushing material 5 hours, ball mill chuck must lead to cooling water cooling, thing
Material temperature degree is not higher than 50 DEG C；Barium sulfate, lubricant, curing agent, pigment is added in this process to complete the density of material, match somebody with somebody
The these requirements such as color, control solidification mobile performance；
(8) pack：Levigate material 25Kg inner lining films paper bag packing after 60 eye mesh screens, finished product is stored in shady and cool drying
Place.
Embodiment 2：A kind of microwave stove heat melamine molding compound of the present invention, described melamine molding compound is by as follows
Component and percent mass proportioning composition：
The composition of above component is defined by quality 100 percent；Wherein formaldehyde accounts for melamine resin total amount
50%, melamine accounts for the 50% of melamine resin total amount.
A kind of preparation method of microwave stove heat melamine molding compound as described above, described preparation method includes following step
Suddenly：
(1) formalin is added in reactor, adjusts pH value to be 9 by adding sodium hydroxide；
(2) addition reaction：Add melamine and be warming up to 90 DEG C of reactions；
(3) polycondensation reaction：When having white precipitate with 4 DEG C of water test resins, cool 80 DEG C, it is 8.5 to adjust pH value, is reacted to end
Point；
(4) triethanolamine is added, pH value 8.2 is adjusted, terminating reaction is cooled to 75 DEG C；
(5) mediate：With Z-type low speed kneader add glass fibre, alpha-cellulose, kaolin, calcium carbonate, titanium dioxide and on
State the melamine resin prepared to mediate, timing changes mixing direction, be stirred to uniform；
(6) dry：Using more piece guipure hot-air oven, 85 DEG C of hot-air seasonings, drying must be uniform, controls moisture content
Less than 3.5%, about 4 hours drying times；
(7) ball milling is crushed：Enter ball mill ball milling after crushing material 8 hours, barium sulfate, lubrication are added in this process
The these requirements such as the density, color matching, control solidification mobile performance of agent, curing agent, pigment to complete material；
(8) pack：Levigate material is stored at shady and cool dry through screen cloth, inner lining film paper bag packing, finished product.
Embodiment 3：A kind of microwave stove heat melamine molding compound of the present invention, described melamine molding compound is by as follows
Component and percent mass proportioning composition：
The composition of above component is defined by quality 100 percent；Wherein formaldehyde accounts for melamine resin total amount
60%, melamine accounts for the 40% of melamine resin total amount.
A kind of preparation method of microwave stove heat melamine molding compound as described above, described preparation method includes following step
Suddenly：
(1) formalin is added in reactor, adjusts pH value to be 8 by adding sodium hydroxide；
(2) addition reaction：Add melamine and be warming up to 80 DEG C of reactions；
(3) polycondensation reaction：When having white precipitate with 4 DEG C of water test resins, cool 70 DEG C, it is 8 to adjust pH value, is reacted to end
Point；
(4) triethanolamine is added, pH value 8.2 is adjusted, terminating reaction is cooled to 65 DEG C；
(5) mediate：With Z-type low speed kneader add glass fibre, alpha-cellulose, kaolin, calcium carbonate, titanium dioxide and on
State the melamine resin prepared to mediate, timing changes mixing direction, be stirred to uniform；
(6) dry：Using more piece guipure hot-air oven, 80 DEG C of hot-air seasonings, drying must be uniform, controls moisture content 3%
Hereinafter, drying time about 3 hours；
(7) ball milling is crushed：Enter ball mill ball milling after crushing material 3 hours, barium sulfate, lubrication are added in this process
The these requirements such as the density, color matching, control solidification mobile performance of agent, curing agent, pigment to complete material；
(8) pack：Levigate material is stored at shady and cool dry through screen cloth, inner lining film paper bag packing, finished product.
Claims (4)
1. a kind of microwave stove heat melamine molding compound, it is characterised in that described melamine molding compound is by following component and quality hundred
Distribution ratio is constituted：
The composition of above component is defined by quality 100 percent；Wherein formaldehyde accounts for the 50- of melamine resin total amount
60%, melamine accounts for the 40-50% of melamine resin total amount.
2. microwave stove heat melamine molding compound according to claim 1, it is characterised in that described melamine molding compound by
Following component and percent mass proportioning composition：
Wherein formaldehyde accounts for the 55% of melamine resin total amount, and melamine accounts for melamine resin total amount
45%.
3. a kind of preparation method of microwave stove heat melamine molding compound as claimed in claim 1 or 2, it is characterised in that described
Preparation method comprises the following steps：
(1) formalin is added in reactor, adjusts pH value to be 8-9 by adding sodium hydroxide；
(2) addition reaction：Add melamine and be warming up to 80-90 DEG C of reaction；
(3) polycondensation reaction：When having white precipitate with 4 DEG C of water test resins, cool 70-80 DEG C, tune pH value is 8-8.5, is reacted to
Terminal；
(4) triethanolamine is added, pH value 8.2 is adjusted, terminating reaction is cooled to 65-75 DEG C；
(5) mediate：Glass fibre, alpha-cellulose, kaolin, calcium carbonate, titanium dioxide and above-mentioned system are added with Z-type low speed kneader
Standby obtained melamine resin is mediated, and timing changes mixing direction, is stirred to uniform；
(6) dry：Using more piece guipure hot-air oven, 80-85 DEG C of hot-air seasoning, drying must be uniform, controls moisture content 3.5%
Hereinafter, drying time about 3-4 hours；
(7) ball milling is crushed：Enter ball mill ball milling 3-8 hour after crushing material, in this process addition barium sulfate, lubricant,
The these requirements such as the density, color matching, control solidification mobile performance of curing agent, pigment to complete material；
(8) pack：Levigate material is stored at shady and cool dry through screen cloth, inner lining film paper bag packing, finished product.
4. the preparation method of microwave stove heat melamine molding compound according to claim 3, it is characterised in that：
In described step (1), pH value is adjusted to be 8.5 by adding sodium hydroxide；
In described step (2), add melamine and be warming up to 85 DEG C of reactions；
In described step (3), when having white precipitate with 4 DEG C of water test resins, cool 75 DEG C, it is 8.2 to adjust pH value；
In described step (4), terminating reaction is cooled to 70 DEG C；
In described step (6), 82 DEG C of hot-air seasonings, drying must be uniform, and control moisture content is below 3.5%, and drying time is about
3.5 hour；
Enter ball mill ball milling in described step (7), after crushing material 5 hours, ball mill chuck must lead to cooling water cooling, thing
Material temperature degree is not higher than 50 DEG C.
In described step (8), levigate material 25Kg inner lining films paper bag packing after 60 eye mesh screens.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108084648A (en) * | 2017-12-20 | 2018-05-29 | 贺州宝兴新材料有限公司 | The preparation method of anti-aging melamine molding compound |
| CN108178899A (en) * | 2017-12-29 | 2018-06-19 | 溧阳市乔森塑料有限公司 | Modified melamine-formaldehyde moulding compound and preparation method thereof |
| CN108192280A (en) * | 2017-12-29 | 2018-06-22 | 溧阳市乔森塑料有限公司 | Modified melamine-formaldehyde moulding compound and preparation method thereof |
| 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 |
| CN109401190A (en) * | 2018-10-31 | 2019-03-01 | 浙江联诚氨基材料有限公司 | A kind of anti-bacteria melamine powder |
| CN109485812A (en) * | 2018-10-31 | 2019-03-19 | 浙江联诚氨基材料有限公司 | A kind of high-temperature resistant porcelain imitation tableware melamine |
| CN109504031A (en) * | 2018-10-31 | 2019-03-22 | 安徽绿之态新材料有限公司 | A kind of cellulose/melamino-formaldehyde compound resin and preparation method thereof |
| CN111499892A (en) * | 2020-06-04 | 2020-08-07 | 开化瑞达塑胶科技有限公司 | Preparation method of glass fiber reinforced high-strength heat-resistant amino molding compound |
| CN112143045A (en) * | 2020-10-14 | 2020-12-29 | 安徽昌悌进出口贸易有限公司 | Porcelain-like bottle and preparation method thereof |
| CN113429740A (en) * | 2021-07-21 | 2021-09-24 | 开化瑞达塑胶科技有限公司 | Preparation method of cellulose nanowhisker reinforced modified melamine molding compound |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108084648A (en) * | 2017-12-20 | 2018-05-29 | 贺州宝兴新材料有限公司 | The preparation method of anti-aging melamine molding compound |
| CN108178899A (en) * | 2017-12-29 | 2018-06-19 | 溧阳市乔森塑料有限公司 | Modified melamine-formaldehyde moulding compound and preparation method thereof |
| CN108192280A (en) * | 2017-12-29 | 2018-06-22 | 溧阳市乔森塑料有限公司 | Modified melamine-formaldehyde moulding compound and preparation method thereof |
| CN108192280B (en) * | 2017-12-29 | 2020-12-22 | 溧阳市乔森塑料有限公司 | Modified melamine formaldehyde molding compound and preparation method thereof |
| 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 |
| CN109401190A (en) * | 2018-10-31 | 2019-03-01 | 浙江联诚氨基材料有限公司 | A kind of anti-bacteria melamine powder |
| CN109485812A (en) * | 2018-10-31 | 2019-03-19 | 浙江联诚氨基材料有限公司 | A kind of high-temperature resistant porcelain imitation tableware melamine |
| CN109504031A (en) * | 2018-10-31 | 2019-03-22 | 安徽绿之态新材料有限公司 | A kind of cellulose/melamino-formaldehyde compound resin and preparation method thereof |
| CN111499892A (en) * | 2020-06-04 | 2020-08-07 | 开化瑞达塑胶科技有限公司 | Preparation method of glass fiber reinforced high-strength heat-resistant amino molding compound |
| CN112143045A (en) * | 2020-10-14 | 2020-12-29 | 安徽昌悌进出口贸易有限公司 | Porcelain-like bottle and preparation method thereof |
| CN113429740A (en) * | 2021-07-21 | 2021-09-24 | 开化瑞达塑胶科技有限公司 | Preparation method of cellulose nanowhisker reinforced modified melamine molding compound |
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Application publication date: 20171024 |