CN107286576A - A kind of activeness and quietness melamine molding compound and preparation method - Google Patents

A kind of activeness and quietness melamine molding compound and preparation method Download PDF

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Publication number
CN107286576A
CN107286576A CN201710500338.7A CN201710500338A CN107286576A CN 107286576 A CN107286576 A CN 107286576A CN 201710500338 A CN201710500338 A CN 201710500338A CN 107286576 A CN107286576 A CN 107286576A
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melamine
mass parts
added
molding compound
preparation
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严明亮
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Zhejiang Liancheng Amino Material Co Ltd
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Zhejiang Liancheng Amino Material Co Ltd
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Priority to CN201710500338.7A priority Critical patent/CN107286576A/en
Publication of CN107286576A publication Critical patent/CN107286576A/en
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L61/00Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
    • C08L61/20Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08L61/32Modified amine-aldehyde condensates
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G12/00Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08G12/02Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
    • C08G12/40Chemically modified polycondensates
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2237Oxides; Hydroxides of metals of titanium
    • C08K2003/2241Titanium dioxide
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/14Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/16Fibres; 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)
  • General Chemical & Material Sciences (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

A kind of activeness and quietness melamine molding compound and preparation method, described melamine molding compound are to be formed by the following raw material by following mass percent proportioning:The melamine resin of 80 96% modification, 1 5% glass, 2 8% lignose, 1 6% triethanolamine, 0.05 0.1% curing agent, 0.5 1.0% titanium dioxide, 0 1% pigment, above proportioning is defined by quality 100 percent;The melamine resin of described modification is made of by following preparation method:(1) formalin of 100 mass parts is added in reactor, adjusts pH value to be 89 by adding sodium hydroxide;(2) addition reaction:Add the THEIC of 5 15 mass parts and the PEG of 5 15 mass parts and start to warm up, the melamine that 80 100 mass parts are added while heating is warming up to 80 90 DEG C of reactions;(3) para toluene sulfonamide of 5 15 mass parts is incubated after 10 20min, added in 80 90 DEG C of temperature, is raised to 85 95 DEG C of reactions to terminal.(4) polycondensation reaction:When having white precipitate with 4 DEG C of water test resins, cool 75 DEG C, it is 8 8.5 to adjust pH value, is reacted to terminal.

Description

A kind of activeness and quietness melamine molding compound and preparation method
Technical field
The present invention relates to a kind of activeness and quietness melamine molding compound and preparation method, it is mainly used in the system of melamine dishware Make, belong to melamine dishware materials technical field.
Background technology
In recent years, melamine dishware is largely used in dining room, restaurant, chain store etc., but due to existing melamine dishware system There is toughness and the deficiency in intensity in the dispensing for making powder, therefore, after melamine dishware is fabricated to, and hold during cleaning storage Yi Yin is collided with falling, causing melamine dishware generation is different degrees of to crush, and reduces the service life of tableware.
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 by melamino-formaldehyde tree Fat is modified so that melamine powder enhancing and toughness reinforcing, improve melamine dishware toughness and intensity, make its it is more resistance to fall, prolong The activeness and quietness melamine molding compound and preparation method of its long service life.
The purpose of the present invention is completed by following technical solution, a kind of activeness and quietness melamine molding compound, described Melamine molding compound is to be formed by the following raw material by following mass percent proportioning:
Proportioning is defined by quality 100 percent above;
The melamine resin of described modification is made of by following preparation method:
(1) formalin of 100 mass parts is added in reactor, adjusts pH value to be 8-9 by adding sodium hydroxide;
(2) addition reaction:Add the PEG of the THEIC and 5-15 mass parts of 5-15 mass parts and start to warm up, in heating The melamine for adding 80-100 mass parts simultaneously is warming up to 80-90 DEG C of reaction;
(3) para toluene sulfonamide of 5-15 mass parts is incubated after 10-20min, added in 80-90 DEG C of temperature, is raised to 85-95 DEG C of reaction is to terminal.
(4) polycondensation reaction:When having white precipitate with 4 DEG C of water test resins, cool 75 DEG C, tune pH value is 8-8.5, is reacted to Terminal.
As preferred:Described melamine molding compound is to be formed by the following raw material by following mass percent proportioning:
The melamine resin of described modification is made of by following preparation method:
(1) formalin of 100 mass parts is added in reactor, adjusts pH value to be 8.5 by adding sodium hydroxide;
(2) addition reaction:Add the THEIC of 10 mass parts and the PEG of 10 mass parts and start to warm up, while heating The melamine for adding 90 mass parts is warming up to 85 DEG C of reactions;
(3) para toluene sulfonamide of 10 mass parts is incubated after 15min, added in 85 DEG C of temperature, is raised to 82 DEG C of reactions To terminal.
(4) 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, is made modified melamine resin.
A kind of preparation method of activeness and quietness melamine molding compound as described above, described preparation method comprises the following steps:
(1) triethanolamine is also proportionally added into the melamine resin of obtained modification, pH value is adjusted, terminated React and be cooled to 70 DEG C;
(2) mediate:The three of lignose, lubricant, glass and above-mentioned modification are proportionally added into Z-type low speed kneader Melamine-formaldehyde resin is mediated together, and timing changes mixing direction, is stirred to uniform;
(3) 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;
(4) ball milling is crushed:Enter ball mill ball milling after crushing material 3-8 hours, curing agent and face are added in this process Material, completes the density, color matching, control solidification mobile performance these requirements of material;
(5) pack:Levigate material uses inner lining film paper bag packing after screen cloth, and finished product is stored at shady and cool dry.
As preferred:In described step (3), using more piece guipure hot-air oven, 82 DEG C of hot-air seasonings control moisture content Less than 3%, about 3.5 hours drying times;
Enter ball mill ball milling in described step (4), after crushing material 3-8 hours, ball mill chuck must lead to cooling water Cooling, temperature of charge is not higher than 50 DEG C;
In described step (5), levigate material 25Kg inner lining films paper bag packing after 60 eye mesh screens.
The invention belongs to the improvement to prior art, by being modified to melamine resin, so that melamine Powder strengthen and toughness reinforcing, with improve melamine dishware toughness and intensity, make its it is more resistance to fall, extend the spies such as its service life Point.
Embodiment
Below in conjunction with specific embodiment, the present invention will be described in detail:A kind of activeness and quietness melamine of the present invention Moulding compound, described melamine molding compound is to be formed by the following raw material by following mass percent proportioning:
Proportioning is defined by quality 100 percent above;
The melamine resin of described modification is made of by following preparation method:
(1) formalin of 100 mass parts is added in reactor, adjusts pH value to be 8-9 by adding sodium hydroxide;
(2) addition reaction:Add the PEG of the THEIC and 5-15 mass parts of 5-15 mass parts and start to warm up, in heating The melamine for adding 80-100 mass parts simultaneously is warming up to 80-90 DEG C of reaction;
(3) para toluene sulfonamide of 5-15 mass parts is incubated after 10-20min, added in 80-90 DEG C of temperature, is raised to 85-95 DEG C of reaction is to terminal.
(4) polycondensation reaction:When having white precipitate with 4 DEG C of water test resins, cool 75 DEG C, tune pH value is 8-8.5, is reacted to Terminal.
A kind of preparation method of activeness and quietness melamine molding compound as described above, described preparation method comprises the following steps:
(1) triethanolamine is also proportionally added into the melamine resin of obtained modification, pH value is adjusted, terminated React and be cooled to 70 DEG C;
(2) mediate:The three of lignose, lubricant, glass and above-mentioned modification are proportionally added into Z-type low speed kneader Melamine-formaldehyde resin is mediated together, and timing changes mixing direction, is stirred to uniform;
(3) 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;
(4) ball milling is crushed:Enter ball mill ball milling after crushing material 3-8 hours, curing agent and face are added in this process Material, completes the density, color matching, control solidification mobile performance these requirements of material;
(5) pack:Levigate material uses inner lining film paper bag packing after screen cloth, and finished product is stored at shady and cool dry.
Embodiment 1:Activeness and quietness melamine molding compound of the present invention, it is to pass through following quality percentage by the following raw material Formed than proportioning:
The melamine resin of described modification is made of by following preparation method:
(1) formalin of 100 mass parts is added in reactor, adjusts pH value to be 8.5 by adding sodium hydroxide;
(2) addition reaction:Add the THEIC of 10 mass parts and the PEG of 10 mass parts and start to warm up, while heating The melamine for adding 90 mass parts is warming up to 85 DEG C of reactions;
(3) para toluene sulfonamide of 10 mass parts is incubated after 15min, added in 85 DEG C of temperature, is raised to 82 DEG C of reactions To terminal.
(4) 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, is made modified melamine resin.
A kind of preparation method of activeness and quietness melamine molding compound as described above, described preparation method comprises the following steps:
(1) triethanolamine is also proportionally added into the melamine resin of obtained modification, pH value is adjusted, terminated React and be cooled to 70 DEG C;
(2) mediate:The three of lignose, lubricant, glass and above-mentioned modification are proportionally added into Z-type low speed kneader Melamine-formaldehyde resin is mediated together, and timing changes mixing direction, is stirred to uniform;
(3) 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;
(4) ball milling is crushed:Enter ball mill ball milling after crushing material 5 hours, curing agent and pigment added in this process, Complete the density, color matching, control solidification mobile performance these requirements of material;Ball mill chuck must lead to cooling water cooling, material temperature Not higher than 50 DEG C of degree;
(5) 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 activeness and quietness melamine molding compound of the present invention, described melamine molding compound is by following former Material is formed by following mass percent proportioning:
The melamine resin of described modification is made of by following preparation method:
(1) formalin of 100 mass parts is added in reactor, adjusts pH value to be 8 by adding sodium hydroxide;
(2) addition reaction:Add the THEIC of 5 mass parts and the PEG of 5 mass parts and start to warm up, while heating again The melamine for adding 80 mass parts is warming up to 80 DEG C of reactions;
(3) para toluene sulfonamide of 5 mass parts is incubated after 10min, added in 80 DEG C of temperature, is raised to 85 DEG C of reactions extremely Terminal.
(4) polycondensation reaction:When having white precipitate with 4 DEG C of water test resins, cool 75 DEG C, it is 8 to adjust pH value, is reacted to end Point.
A kind of preparation method of activeness and quietness melamine molding compound as described above, described preparation method comprises the following steps:
(1) triethanolamine is also proportionally added into the melamine resin of obtained modification, pH value 8 is adjusted, eventually Only react and be cooled to 70 DEG C;
(2) mediate:The three of lignose, lubricant, glass and above-mentioned modification are proportionally added into Z-type low speed kneader Melamine-formaldehyde resin is mediated together, and timing changes mixing direction, is stirred to uniform;
(3) 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;
(4) ball milling is crushed:Enter ball mill ball milling after crushing material 3 hours, curing agent and pigment added in this process, Complete the density, color matching, control solidification mobile performance these requirements of material;
(5) pack:Levigate material uses inner lining film paper bag packing after screen cloth, and finished product is stored at shady and cool dry.
Embodiment 3:A kind of activeness and quietness melamine molding compound of the present invention, described melamine molding compound is by following former Material is formed by following mass percent proportioning:
The melamine resin of described modification is made of by following preparation method:
(1) formalin of 100 mass parts is added in reactor, adjusts pH value to be 9 by adding sodium hydroxide;
(2) addition reaction:Add the THEIC of 15 mass parts and the PEG of 15 mass parts and start to warm up, while heating The melamine for adding 100 mass parts is warming up to 90 DEG C of reactions;
(3) para toluene sulfonamide of 15 mass parts is incubated after 20min, added in 90 DEG C of temperature, is raised to 95 DEG C of reactions To terminal;
(4) polycondensation reaction:When having white precipitate with 4 DEG C of water test resins, cool 75 DEG C, it is 8.5 to adjust pH value, is reacted to end Point.
A kind of preparation method of activeness and quietness melamine molding compound as described above, described preparation method comprises the following steps:
(1) triethanolamine is also proportionally added into the melamine resin of obtained modification, pH value 8.5 is adjusted, Terminating reaction is simultaneously cooled to 70 DEG C;
(2) mediate:The three of lignose, lubricant, glass and above-mentioned modification are proportionally added into Z-type low speed kneader Melamine-formaldehyde resin is mediated together, and timing changes mixing direction, is stirred to uniform;
(3) 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;
(4) ball milling is crushed:Enter ball mill ball milling after crushing material 8 hours, curing agent and pigment added in this process, Complete the density, color matching, control solidification mobile performance these requirements of material;
(5) pack:Levigate material uses inner lining film paper bag packing after screen cloth, and finished product is stored at shady and cool dry.
Activeness and quietness melamine of the present invention is to add new material on the basis of melamine resin to enter A kind of new high polymer composite material formed by capable polymerization and modification, due to the addition of new material, so that in toughness Be greatly enhanced so that its impact strength than existing product improve as many as 50%.

Claims (4)

1. a kind of activeness and quietness melamine molding compound, it is characterised in that described melamine molding compound is to pass through following matter by the following raw material Amount percentage proportioning is formed:
Proportioning is defined by quality 100 percent above;
The melamine resin of described modification is made of by following preparation method:
(1) formalin of 100 mass parts is added in reactor, adjusts pH value to be 8-9 by adding sodium hydroxide;
(2) addition reaction:Add the PEG of the THEIC and 5-15 mass parts of 5-15 mass parts and start to warm up, while heating The melamine for adding 80-100 mass parts is warming up to 80-90 DEG C of reaction;
(3) para toluene sulfonamide of 5-15 mass parts is incubated after 10-20min, added in 80-90 DEG C of temperature, is raised to 85-95 DEG C reaction to terminal.
(4) polycondensation reaction:When having white precipitate with 4 DEG C of water test resins, cool 75 DEG C, tune pH value is 8-8.5, is reacted to end Point.
2. activeness and quietness melamine molding compound according to claim 1, it is characterised in that described melamine molding compound is by such as Lower raw material is formed by following mass percent proportioning:
The melamine resin of described modification is made of by following preparation method:
(1) formalin of 100 mass parts is added in reactor, adjusts pH value to be 8.5 by adding sodium hydroxide;
(2) addition reaction:Add the THEIC of 10 mass parts and the PEG of 10 mass parts and start to warm up, add again while heating The melamine for entering 90 mass parts is warming up to 85 DEG C of reactions;
(3) para toluene sulfonamide of 10 mass parts is incubated after 15min, added in 85 DEG C of temperature, is raised to 82 DEG C of reactions to end Point.
(4) 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 terminal, Modified melamine resin is made.
3. a kind of preparation method of activeness and quietness melamine molding compound as claimed in claim 1 or 2, it is characterised in that described preparation Method comprises the following steps:
(1) triethanolamine is also proportionally added into the melamine resin of obtained modification, pH value, terminating reaction is adjusted And it is cooled to 70 DEG C;
(2) mediate:Lignose, lubricant, glass and the melamine of above-mentioned modification are proportionally added into Z-type low speed kneader Amine-formaldehyde resins are mediated together, and timing changes mixing direction, are stirred to uniform;
(3) 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;
(4) ball milling is crushed:Enter ball mill ball milling after crushing material 3-8 hours, curing agent and pigment are added in this process, it is complete Into the density of material, color matching, control solidification mobile performance these requirements;
(5) pack:Levigate material uses inner lining film paper bag packing after screen cloth, and finished product is stored at shady and cool dry.
4. the preparation method of activeness and quietness melamine molding compound according to claim 3, it is characterised in that:
In described step (3), using more piece guipure hot-air oven, 82 DEG C of hot-air seasonings, control moisture content is below 3%, when drying Between about 3.5 hours;
Enter ball mill ball milling in described step (4), after crushing material 3-8 hours, ball mill chuck must lead to cooling water cooling, Temperature of charge is not higher than 50 DEG C;
In described step (5), levigate material 25Kg inner lining films paper bag packing after 60 eye mesh screens.
CN201710500338.7A 2017-06-27 2017-06-27 A kind of activeness and quietness melamine molding compound and preparation method Pending CN107286576A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107652625A (en) * 2017-10-28 2018-02-02 东莞市隆达合成材料有限公司 One kind discoloration melamine formaldehyde molding compound and preparation method thereof
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
CN112625429A (en) * 2020-12-16 2021-04-09 杭州联和工具制造有限公司 Low-color-difference fiber-added nylon and forming process thereof

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107652625A (en) * 2017-10-28 2018-02-02 东莞市隆达合成材料有限公司 One kind discoloration melamine formaldehyde molding compound and preparation method thereof
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
CN112625429A (en) * 2020-12-16 2021-04-09 杭州联和工具制造有限公司 Low-color-difference fiber-added nylon and forming process thereof
CN112625429B (en) * 2020-12-16 2022-06-03 杭州联和工具制造有限公司 Low-color-difference fiber-added nylon and forming process thereof

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Application publication date: 20171024