CN106638131A - Water-resistant agent for coating and preparation method of water-resistant agent - Google Patents
Water-resistant agent for coating and preparation method of water-resistant agent Download PDFInfo
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- CN106638131A CN106638131A CN201611127079.XA CN201611127079A CN106638131A CN 106638131 A CN106638131 A CN 106638131A CN 201611127079 A CN201611127079 A CN 201611127079A CN 106638131 A CN106638131 A CN 106638131A
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/40—Coatings with pigments characterised by the pigments siliceous, e.g. clays
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/46—Non-macromolecular organic compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/56—Macromolecular organic compounds or oligomers thereof obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/58—Polymers or oligomers of diolefins, aromatic vinyl monomers or unsaturated acids or derivatives thereof
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/62—Macromolecular organic compounds or oligomers thereof obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/16—Sizing or water-repelling agents
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Paints Or Removers (AREA)
- Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
- Paper (AREA)
Abstract
The invention provides a water-resistant agent for coating and a preparation method of the water-resistant agent. The water-resistant agent is prepared by the following steps: mixing nanmu powder, sodium hypochlorite and distilled water, heating, stirring, filtering and washing with clear water to obtain a product A; then adding nano bentonite, nano silica, polymethyl acrylate, propylene glycol fatty acid ester, potassium sorbate, butylated hydroxytoluene, absolute ethyl alcohol and distilled water, stirring, and raising the temperature to be 70 to 85 DEG C; adding dodecyltrimethoxysilane, polydimethylsiloxane and hydrolytic polymaleic anhydride; stirring at the rotating speed of 400 to 600r/min, reducing to room temperature, and putting into a grinding machine for grinding; finally, passing through a sieve with 200 meshes, and removing filter slag to obtain a finished product. The water-resistant agent for coating, provided by the invention, has the advantages of excellent mechanical strength property, high whiteness, basic no influence on appearance of paper, excellent water resisting property and good printing effect.
Description
Technical field
The present invention relates to paper making additive field, and in particular to a kind of coating water-repellent agent and preparation method thereof.
Background technology
The development and application of Chinese papermaking chemical product are started late, and with the raising of people's living standard, people are to paper
Quality requirement more and more higher is opened, demand is also increasing.The development of paper industry promotes the development of paper chemicals industry,
The development and application of papermaking chemical product oneself cause the great attention of national departments concerned and scientific research institutions of universities and colleges.With prosperity
Country compares, and the papermaking fine chemicals consumption of China only accounts for the 1% of paper industry total output, therefore, Chinese papermaking chemical product
Industry is one the Chaoyang industry of development potentiality very much.And some paper such as photographic paper, map paper, high-grade label paper, special type packet
Dress Paper or cardboard requires there is height water-resistance, i.e., be not spontaneously wet out by water or spread, and lasting, the excellent effect that do not get wet, system is presented
Making this kind of paper need to be bonded to the surface of paper fibre or be impregnated into inside and set using lyophobic dust, and material used is
For water repellent agent.Generally without any process paper by water it is drenched after fiber lose its most of intensity, fiber and fiber it
Between by combining the highstrung hydrogen bond of water and molecular separating force, in the presence of water, water and fiber and fiber with
Combination between fiber produces competition, the combination degree between fiber is reduced with the increase of moisture in paper, fine
By the complete swollen of water, after soaking, combination each other can be broken dimension, and intensity is only left the 3-10% of initial dry strength.Cause
This, researchs and develops water repellent agent to effectively improve the water-resistance of paper, and to increase wet strength the class for needing constantly research is become
Topic.
The content of the invention
The technical problem to be solved：It is an object of the invention to provide a kind of coating water-repellent agent, with excellent mechanical strength
Performance, whiteness is high, and on the outward appearance of paper substantially without impact, while water repelling property is good, printing effect is good.
Technical scheme：A kind of coating water-repellent agent, is prepared from by following component with weight portion：Nanmu powder 5-8 parts, nanometer are swollen
Profit soil 1-2 parts, nano silicon 0.2-0.5 parts, dodecyltrimethoxysilane 1-3 parts, dimethyl silicone polymer 2-4
Part, HPMA 2-5 parts, PMA 3-6 parts, methyl glycol fatty acid ester 4-8 parts, potassium sorbate 0.1-0.3
Part, sodium hypochlorite 15-25 parts, dibutyl hydroxy toluene 0.2-0.4 parts, absolute ethyl alcohol 10-30 parts, distilled water 220-300 parts.
It is further preferred that a kind of described coating water-repellent agent, is prepared from by following component with weight portion：Nanmu powder 6-
7 parts, nano-bentonite 1.2-1.8 parts, nano silicon 0.3-0.4 parts, dodecyltrimethoxysilane 1.5-2.5 parts,
Dimethyl silicone polymer 2.5-3.5 parts, HPMA 3-4 parts, PMA 4-5 parts, methyl glycol fatty acid ester
5-7 parts, potassium sorbate 0.15-0.25 parts, sodium hypochlorite 18-22 parts, dibutyl hydroxy toluene 0.25-0.35 parts, absolute ethyl alcohol
15-25 parts, distilled water 240-280 parts.
The preparation method of above-mentioned coating water-repellent agent is comprised the following steps：
The first step：By the mixing of nanmu powder, sodium hypochlorite and 150-250 parts distilled water, 70-75 DEG C is heated to, in rotating speed 50-
24-25 hours are stirred under 70r/min, is filtered, product A is washed to obtain with clear water；
Second step：Add nano-bentonite, nano silicon, PMA, methyl glycol fatty acid ester, potassium sorbate,
Dibutyl hydroxy toluene, absolute ethyl alcohol and remaining distilled water, stir 20-40 minutes under rotating speed 600-800r/min；
3rd step：70-85 DEG C is warming up to, dodecyltrimethoxysilane, dimethyl silicone polymer is added and is hydrolyzed poly- Malaysia
Acid anhydrides, stirs 20-30 minutes under rotating speed 400-600r/min；
4th step：Room temperature is down to, grinding 10-30 minutes in grinder are put into；
5th step：200 mesh sieves are crossed, filter residue is removed and is obtained final product.
It is further preferred that being heated to 72 DEG C in the first step, rotating speed is 55-65r/min, and mixing time is 24.5 hours.
It is further preferred that rotating speed is 650-750r/min in second step, mixing time is 25-35 minutes.
It is further preferred that being warming up to 75-80 DEG C in the 3rd step, rotating speed is 450-550r/min, and mixing time is 25 points
Clock.
It is further preferred that milling time is 15-25 minutes in the 4th step.
Beneficial effect：The coating water-repellent agent of the present invention has excellent mechanical strength performance, its tensile index and resistance to broken finger
Number is respectively up to 52.5Nm/g and 4.39kPam2/ g, its whiteness up to 89.2%, on the outward appearance of paper substantially without impact, together
When its wet strength can reach 35.5%, water repelling property is good, and its printing ink absorption reaches 42.7%, with good printing performance.
Specific embodiment
Embodiment 1
A kind of coating water-repellent agent, is prepared from by following component with weight portion：5 parts of nanmu powder, part, nanometer two of nano-bentonite 1
0.2 part of silica, 1 part of dodecyltrimethoxysilane, 2 parts of dimethyl silicone polymer, 2 parts of HPMA, poly- third
3 parts of e pioic acid methyl ester, 4 parts of methyl glycol fatty acid ester, 0.1 part of potassium sorbate, 15 parts of sodium hypochlorite, 0.2 part of dibutyl hydroxy toluene,
10 parts of absolute ethyl alcohol, 220 parts of distilled water.
The preparation method of above-mentioned coating water-repellent agent is：
The first step：By nanmu powder, sodium hypochlorite and 150 parts of distilled water mixing, 70 DEG C are heated to, are stirred under rotating speed 50r/min
24 hours, filter, product A is washed to obtain with clear water；
Second step：Add nano-bentonite, nano silicon, PMA, methyl glycol fatty acid ester, potassium sorbate,
Dibutyl hydroxy toluene, absolute ethyl alcohol and remaining distilled water, stir 20 minutes under rotating speed 600r/min；
3rd step：70 DEG C are warming up to, dodecyltrimethoxysilane, dimethyl silicone polymer and hydrolyzed polymaleic anhydride is added
Acid anhydride, stirs 20 minutes under rotating speed 400r/min；
4th step：Room temperature is down to, is put into grinder and is ground 10 minutes；
5th step：200 mesh sieves are crossed, filter residue is removed and is obtained final product.
Embodiment 2
A kind of coating water-repellent agent, is prepared from by following component with weight portion：6 parts of nanmu powder, nano-bentonite 1.2 part, nanometer
0.3 part of silica, 1.5 parts of dodecyltrimethoxysilane, 2.5 parts of dimethyl silicone polymer, HPMA 3
Part, 4 parts of PMA, 5 parts of methyl glycol fatty acid ester, 0.15 part of potassium sorbate, 18 parts of sodium hypochlorite, butylated hydroxy-a
0.25 part of benzene, 15 parts of absolute ethyl alcohol, 240 parts of distilled water.
The preparation method of above-mentioned coating water-repellent agent is：
The first step：By nanmu powder, sodium hypochlorite and 170 parts of distilled water mixing, 71 DEG C are heated to, are stirred under rotating speed 55r/min
24.5 hours, filter, product A is washed to obtain with clear water；
Second step：Add nano-bentonite, nano silicon, PMA, methyl glycol fatty acid ester, potassium sorbate,
Dibutyl hydroxy toluene, absolute ethyl alcohol and remaining distilled water, stir 25 minutes under rotating speed 650r/min；
3rd step：75 DEG C are warming up to, dodecyltrimethoxysilane, dimethyl silicone polymer and hydrolyzed polymaleic anhydride is added
Acid anhydride, stirs 25 minutes under rotating speed 450r/min；
4th step：Room temperature is down to, is put into grinder and is ground 15 minutes；
5th step：200 mesh sieves are crossed, filter residue is removed and is obtained final product.
Embodiment 3
A kind of coating water-repellent agent, is prepared from by following component with weight portion：6.5 parts of nanmu powder, 1.5 parts of nano-bentonite, receive
0.35 part of silica of rice, 2 parts of dodecyltrimethoxysilane, 3 parts of dimethyl silicone polymer, HPMA 3.5
Part, 4.5 parts of PMA, 6 parts of methyl glycol fatty acid ester, 0.2 part of potassium sorbate, 20 parts of sodium hypochlorite, dibutyl hydroxy
0.3 part of toluene, 20 parts of absolute ethyl alcohol, 260 parts of distilled water.
The preparation method of above-mentioned coating water-repellent agent is：
The first step：By nanmu powder, sodium hypochlorite and 200 parts of distilled water mixing, 72 DEG C are heated to, are stirred under rotating speed 60r/min
24.5 hours, filter, product A is washed to obtain with clear water；
Second step：Add nano-bentonite, nano silicon, PMA, methyl glycol fatty acid ester, potassium sorbate,
Dibutyl hydroxy toluene, absolute ethyl alcohol and remaining distilled water, stir 30 minutes under rotating speed 700r/min；
3rd step：77 DEG C are warming up to, dodecyltrimethoxysilane, dimethyl silicone polymer and hydrolyzed polymaleic anhydride is added
Acid anhydride, stirs 25 minutes under rotating speed 500r/min；
4th step：Room temperature is down to, is put into grinder and is ground 20 minutes；
5th step：200 mesh sieves are crossed, filter residue is removed and is obtained final product.
Embodiment 4
A kind of coating water-repellent agent, is prepared from by following component with weight portion：7 parts of nanmu powder, nano-bentonite 1.8 part, nanometer
0.4 part of silica, 2.5 parts of dodecyltrimethoxysilane, 3.5 parts of dimethyl silicone polymer, HPMA 4
Part, 5 parts of PMA, 7 parts of methyl glycol fatty acid ester, 0.25 part of potassium sorbate, 22 parts of sodium hypochlorite, butylated hydroxy-a
0.35 part of benzene, 25 parts of absolute ethyl alcohol, 280 parts of distilled water.
The preparation method of above-mentioned coating water-repellent agent is：
The first step：By nanmu powder, sodium hypochlorite and 220 parts of distilled water mixing, 73 DEG C are heated to, are stirred under rotating speed 65r/min
24.5 hours, filter, product A is washed to obtain with clear water；
Second step：Add nano-bentonite, nano silicon, PMA, methyl glycol fatty acid ester, potassium sorbate,
Dibutyl hydroxy toluene, absolute ethyl alcohol and remaining distilled water, stir 35 minutes under rotating speed 750r/min；
3rd step：80 DEG C are warming up to, dodecyltrimethoxysilane, dimethyl silicone polymer and hydrolyzed polymaleic anhydride is added
Acid anhydride, stirs 25 minutes under rotating speed 550r/min；
4th step：Room temperature is down to, is put into grinder and is ground 25 minutes；
5th step：200 mesh sieves are crossed, filter residue is removed and is obtained final product.
Embodiment 5
A kind of coating water-repellent agent, is prepared from by following component with weight portion：8 parts of nanmu powder, part, nanometer two of nano-bentonite 2
0.5 part of silica, 3 parts of dodecyltrimethoxysilane, 4 parts of dimethyl silicone polymer, 5 parts of HPMA, poly- third
6 parts of e pioic acid methyl ester, 8 parts of methyl glycol fatty acid ester, 0.3 part of potassium sorbate, 25 parts of sodium hypochlorite, 0.4 part of dibutyl hydroxy toluene,
30 parts of absolute ethyl alcohol, 300 parts of distilled water.
The preparation method of above-mentioned coating water-repellent agent is：
The first step：By nanmu powder, sodium hypochlorite and 250 parts of distilled water mixing, 75 DEG C are heated to, are stirred under rotating speed 70r/min
25 hours, filter, product A is washed to obtain with clear water；
Second step：Add nano-bentonite, nano silicon, PMA, methyl glycol fatty acid ester, potassium sorbate,
Dibutyl hydroxy toluene, absolute ethyl alcohol and remaining distilled water, stir 40 minutes under rotating speed 800r/min；
3rd step：85 DEG C are warming up to, dodecyltrimethoxysilane, dimethyl silicone polymer and hydrolyzed polymaleic anhydride is added
Acid anhydride, stirs 30 minutes under rotating speed 600r/min；
4th step：Room temperature is down to, is put into grinder and is ground 30 minutes；
5th step：200 mesh sieves are crossed, filter residue is removed and is obtained final product.
Comparative example 1
The present embodiment is not contain nano-bentonite and nano silicon with the difference of embodiment 1.Specifically：
A kind of coating water-repellent agent, is prepared from by following component with weight portion：5 parts of nanmu powder, dodecyltrimethoxysilane 1
Part, 2 parts of dimethyl silicone polymer, 2 parts of HPMA, 3 parts of PMA, 4 parts of methyl glycol fatty acid ester, sorb
0.1 part of sour potassium, 15 parts of sodium hypochlorite, 0.2 part of dibutyl hydroxy toluene, 10 parts of absolute ethyl alcohol, 220 parts of distilled water.
The preparation method of above-mentioned coating water-repellent agent is：
The first step：By nanmu powder, sodium hypochlorite and 150 parts of distilled water mixing, 70 DEG C are heated to, are stirred under rotating speed 50r/min
24 hours, filter, product A is washed to obtain with clear water；
Second step：Add PMA, methyl glycol fatty acid ester, potassium sorbate, dibutyl hydroxy toluene, absolute ethyl alcohol and
Remaining distilled water, stirs 20 minutes under rotating speed 600r/min；
3rd step：70 DEG C are warming up to, dodecyltrimethoxysilane, dimethyl silicone polymer and hydrolyzed polymaleic anhydride is added
Acid anhydride, stirs 20 minutes under rotating speed 400r/min；
4th step：Room temperature is down to, is put into grinder and is ground 10 minutes；
5th step：200 mesh sieves are crossed, filter residue is removed and is obtained final product.
The partial properties index of material coating water-repellent agent of the present invention see the table below 1, it will be seen that material of the present invention has
Excellent mechanical strength performance, its tensile index and burst index are respectively up to 52.5Nm/g and 4.39kPam2/ g, its is white
Up to 89.2%, on the outward appearance of paper substantially without impact, while its wet strength can reach 35.5%, water repelling property is good, its ink for degree
Absorptivity reaches 42.7%, with good printing performance.
The partial properties index of the coating water-repellent agent of table 1
| Name of product | Tensile index（N·m/g） | Burst index（kPa·m2/g） | Whiteness（%） | Wet strength（%） | Printing ink absorption（%） |
| Embodiment 1 | 51.9 | 4.18 | 87.4 | 34.8 | 42.5 |
| Embodiment 2 | 52.1 | 4.27 | 88.1 | 35.1 | 42.5 |
| Embodiment 3 | 52.3 | 4.31 | 88.5 | 35.2 | 42.6 |
| Embodiment 4 | 52.5 | 4.39 | 89.2 | 35.5 | 42.7 |
| Embodiment 5 | 52.4 | 4.32 | 88.7 | 35.3 | 42.6 |
| Comparative example 1 | 50.8 | 4.02 | 87.4 | 31.6 | 42.5 |
Claims (7)
1. a kind of coating water-repellent agent, it is characterised in that：It is prepared from weight portion by following component：Nanmu powder 5-8 parts, nanometer are swollen
Profit soil 1-2 parts, nano silicon 0.2-0.5 parts, dodecyltrimethoxysilane 1-3 parts, dimethyl silicone polymer 2-4
Part, HPMA 2-5 parts, PMA 3-6 parts, methyl glycol fatty acid ester 4-8 parts, potassium sorbate 0.1-0.3
Part, sodium hypochlorite 15-25 parts, dibutyl hydroxy toluene 0.2-0.4 parts, absolute ethyl alcohol 10-30 parts, distilled water 220-300 parts.
2. a kind of coating water-repellent agent according to claim 1, it is characterised in that：By following component with weight portion preparation
Into：Nanmu powder 6-7 parts, nano-bentonite 1.2-1.8 parts, nano silicon 0.3-0.4 parts, dodecyltrimethoxysilane
1.5-2.5 parts, dimethyl silicone polymer 2.5-3.5 parts, HPMA 3-4 parts, PMA 4-5 parts, the third two
Alcohol fatty acid ester 5-7 parts, potassium sorbate 0.15-0.25 parts, sodium hypochlorite 18-22 parts, dibutyl hydroxy toluene 0.25-0.35
Part, absolute ethyl alcohol 15-25 parts, distilled water 240-280 parts.
3. the preparation method of a kind of coating water-repellent agent described in any one of claim 1 to 2, it is characterised in that：Including following step
Suddenly：
The first step：By the mixing of nanmu powder, sodium hypochlorite and 150-250 parts distilled water, 70-75 DEG C is heated to, in rotating speed 50-
24-25 hours are stirred under 70r/min, is filtered, product A is washed to obtain with clear water；
Second step：Add nano-bentonite, nano silicon, PMA, methyl glycol fatty acid ester, potassium sorbate,
Dibutyl hydroxy toluene, absolute ethyl alcohol and remaining distilled water, stir 20-40 minutes under rotating speed 600-800r/min；
3rd step：70-85 DEG C is warming up to, dodecyltrimethoxysilane, dimethyl silicone polymer is added and is hydrolyzed poly- Malaysia
Acid anhydrides, stirs 20-30 minutes under rotating speed 400-600r/min；
4th step：Room temperature is down to, grinding 10-30 minutes in grinder are put into；
5th step：200 mesh sieves are crossed, filter residue is removed and is obtained final product.
4. the preparation method of a kind of coating water-repellent agent according to claim 3, it is characterised in that：Heat in the first step
To 72 DEG C, rotating speed is 55-65r/min, and mixing time is 24.5 hours.
5. the preparation method of a kind of coating water-repellent agent according to claim 3, it is characterised in that：Rotating speed in the second step
For 650-750r/min, mixing time is 25-35 minutes.
6. the preparation method of a kind of coating water-repellent agent according to claim 3, it is characterised in that：Heat up in 3rd step
To 75-80 DEG C, rotating speed is 450-550r/min, and mixing time is 25 minutes.
7. the preparation method of a kind of coating water-repellent agent according to claim 3, it is characterised in that：Grind in 4th step
Time is 15-25 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611127079.XA CN106638131A (en) | 2016-12-09 | 2016-12-09 | Water-resistant agent for coating and preparation method of water-resistant agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611127079.XA CN106638131A (en) | 2016-12-09 | 2016-12-09 | Water-resistant agent for coating and preparation method of water-resistant agent |
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| CN106638131A true CN106638131A (en) | 2017-05-10 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1875150A (en) * | 2003-10-27 | 2006-12-06 | 巴斯福股份公司 | Method of making a paper coating using a blend of a vinyl aromatic-acrylic polymer dispersion with a vinyl aromatic-diene polymer dispersion |
| CN102758380A (en) * | 2012-06-26 | 2012-10-31 | 浙江金昌纸业有限公司 | Surface micro-coating agent for producing pure paper and non-woven paper and preparation method thereof |
| CN104119705A (en) * | 2014-06-26 | 2014-10-29 | 安徽普源分离机械制造有限公司 | High-performance modified bentonite and preparation method thereof |
| CN105839452A (en) * | 2016-05-20 | 2016-08-10 | 浙江澄宇环保新材料股份有限公司 | Special calcium carbonate for papermaking |
-
2016
- 2016-12-09 CN CN201611127079.XA patent/CN106638131A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1875150A (en) * | 2003-10-27 | 2006-12-06 | 巴斯福股份公司 | Method of making a paper coating using a blend of a vinyl aromatic-acrylic polymer dispersion with a vinyl aromatic-diene polymer dispersion |
| CN102758380A (en) * | 2012-06-26 | 2012-10-31 | 浙江金昌纸业有限公司 | Surface micro-coating agent for producing pure paper and non-woven paper and preparation method thereof |
| CN104119705A (en) * | 2014-06-26 | 2014-10-29 | 安徽普源分离机械制造有限公司 | High-performance modified bentonite and preparation method thereof |
| CN105839452A (en) * | 2016-05-20 | 2016-08-10 | 浙江澄宇环保新材料股份有限公司 | Special calcium carbonate for papermaking |
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Application publication date: 20170510 |
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