CN104790255B - Starch coated latex and preparation method thereof - Google Patents
Starch coated latex and preparation method thereof Download PDFInfo
- Publication number
- CN104790255B CN104790255B CN201410029010.8A CN201410029010A CN104790255B CN 104790255 B CN104790255 B CN 104790255B CN 201410029010 A CN201410029010 A CN 201410029010A CN 104790255 B CN104790255 B CN 104790255B
- Authority
- CN
- China
- Prior art keywords
- starch
- quality
- latex coating
- coating
- latex
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Paper (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention provides a preparation method for starch coated latex. The method comprises the following steps: fully mixing a starch raw material with water so as to prepare starch milk with mass percentage of 30 to 40%; adding a molecular weight regulator into the starch milk, heating the obtained mixture to 40 to 50 DEG C and carrying out stirring for a period of time so as to allow the viscosity of the starch milk to reach 10 to 50 mPa.s; adding a certain amount of hydroxy polybasic acid or a derivative thereof, polyol amine and a small amount of sodium dihydrogen hypophosphite, carrying out heating until temperature rises to 80 to 95 DEG C and carrying out a reaction for 20 to 60 min; and adding a small amount of wet strengthening resin, continuing the reaction for 10 to 30 at 80 to 95 DEG C and then carrying out cooling. The invention further provides the starch coated latex prepared by using the preparation method.
Description
Technical field
The present invention relates to a kind of starch latex coating and preparation method thereof.
Background technology
In the coating paper course of processing, the species of adhesive, performance and consumption have weight to coating water retention, rheological characteristic in coating
The impact wanted.For example, the migration level of adhesive, adhesion strength, micropore distribution etc., these all inhale to coating gloss, ink
The property received, resistance to water and strength character etc. produce material impact, so as to affect coating paper properties for follow such as printing adaptability.
At present conventional coating binder mainly divides the synthesis styrene-butadiene latex and biomass material of petrochemical industry series modified derivative
Thing latex.Because fossil resources are day by day short, synthon butadiene price important in styrene-butadiene latex constantly rises so that fourth
The cost more and more higher of benzene latex.It is difficult in adapt to the market competition environment of the continuous development of the newly-increased production capacity of paper-making industry and fierceness.Therefore,
The research and application of lower-cost biomass material modification derivant latex becomes focus.The big portion of biological raw material for adopting at present
It is divided into starch of wide material sources, relative low price or derivatives thereof, this kind of adhesive is starch latex coating.Prior art
Common starch latex coating and preparation method thereof is：Starch is carried out into vinyl monomer graft copolymerization, if necessary again through modeling
Change, cross-linking modified obtain starch latex coating.The starch latex coating elasticity and intensity that this method is obtained is all poor, and butylbenzene
Consumption is typically below 20% when latex is used in mixed way, if consumption is too high, coating paper strength character is substantially deteriorated.
The content of the invention
In view of this, there is provided a kind of to overcome starch latex coating of disadvantages mentioned above and preparation method thereof.
A kind of preparation method of starch latex coating, it is comprised the following steps：Starch material and water are sufficiently mixed into configuration
Into the starch milk that weight/mass percentage composition is 30-40%；Molecular weight regulator is added in the starch milk, 40-50 is heated to Celsius
After degree, stirring a period of time, the viscosity for making starch milk reaches 10-50 mPas；Add the acid of a certain amount of hydroxy polybasic or its spread out
Biological, polyhydric alcohol amine and a small amount of sodium dihydric hypophosphite, heating-up temperature reacts 20-60 minutes to after 80-95 degree Celsius；With
And, a small amount of wet strengthening resin is added, after continuing to react 10-30 minutes at a temperature of 80-95 degree Celsius, cool.
A kind of starch latex coating, it includes：A certain amount of starch milk, the starch milk includes starch material and water, starch
Account for the 30-40% of starch milk quality；Wherein, further include：Hydroxy polybasic acid or derivatives thereof；And polyhydric alcohol amine.
The preparation method of the starch latex coating provided compared to prior art, the present invention is sour using hydroxy polybasic or it spreads out
Biological, the polyhydroxy cross-linking reaction between polyhydric alcohol amine and starch molecular chain, forms the netted esterification and crosslinking structure of multidimensional, together
Shi Caiyong sodium dihydric hypophosphites have increased considerably the intensity and elasticity of starch to promoting esterification to carry out, and reduce starch film sheet
The rigid and fragility of body to paper strength the adverse effect for causing, therefore the starch latex coating for preparing have it is higher
Elasticity and intensity, can be with the replacement styrene-butadiene latex of higher proportion；The preparation method of the starch latex coating that the present invention is provided is to Jing
Esterified crosslinked starch introduces wet strengthening resin, and applied paper can be made to possess the strength character under certain wet condition.This
When bright provided starch latex coating is used in coating as adhesive, using the teaching of the invention it is possible to provide stronger adhesive property, adhesive
Migration amount is few, while ensure that coating has preferable rheological property, it is ensured that good runnability.
Description of the drawings
Nothing.
Specific embodiment
Starch latex coating that the present invention is provided and preparation method thereof is described in detail below with reference to specific embodiment.
The present invention provides a kind of preparation method of starch latex coating, and it is comprised the following steps：
S1：Starch material and water are sufficiently mixed the starch milk for being configured to that weight/mass percentage composition is 30-40%；
S2：Molecular weight regulator is added in the starch milk, after being heated to 40-50 degree Celsius, stirring a period of time, is made
The viscosity of starch milk reaches 10-50 mPas；
S3：A certain amount of hydroxy polybasic acid or derivatives thereof, polyhydric alcohol amine, and a small amount of sodium dihydric hypophosphite are added,
Heating-up temperature reacts 20-60 minutes to after 80-95 degree Celsius；And
S4：A small amount of wet strengthening resin is added, after continuing to react 10-30 minutes at a temperature of 80-95 degree Celsius, cooling drop
Temperature.
In step sl, configuring the process of starch milk can be carried out at room temperature.Detailed process can be：First weigh certain
The starch material of quality（That is the quality of over dry starch）；The starch material is added into appropriate water, starch is configured to former
Material weight/mass percentage composition is 30%~40% starch milk.The starch material includes starch or starch derivatives, can be beautiful
Rice starch, potato starch or sweet potato starch.
In step s 2, the molecular weight regulator can be organic acid, it is a kind of such as in maleic acid, citric acid, oxalic acid or
It is various.The quality of the molecular weight regulator is the 0.5%~2% of starch material quality.Due to the molecular weight of the starch material
It is not of uniform size, add molecular weight regulator to obtain the functional group of suitable molecular weight and a number of correctability, while
The viscosity of starch milk can also be reduced.Generally, starch molecule segment is shorter, and the viscosity of starch milk is lower.But, from most
The purposes of whole latex products considers, if starch molecule segment is too short, the paper coating intensity after coating application can decrease,
And starch molecule segment gets over short-range missile and causes hydrophilic polar functional group quantity too many, for the water resistance of coating also can be produced
Certain impact.Therefore, the amount of molecular weight regulator should not be too many.In the case where certain molecular weight is ensured, to expect conjunction
Suitable application viscosity, it is ensured that the rheological property of the coating of latex configuration, needs to add a certain amount of viscosity reductant, so as to ensure molecular weight
With the double benefit of viscosity.The viscosity reductant can be the one kind or several in many dicyandiamides, fatty acid ester, water-base resin
Kind.For example, fatty acid ester can select butyl stearate, and water-base resin can be polydimethylsiloxane Polyethylene oxide copolymerization
Thing.The quality of the viscosity reductant is the 5%~20% of starch material quality.Present invention introduces viscosity reductant, can enter into starch base
Strand in, lower hydrogen bonded with the hydroxyl effect in starch, low-surface-energy is formed, while making with certain lubrication
With so that whole starch-based glue stick is applied in coating system that the work that adhesive is intermolecular or it is between pigment can be lowered
Firmly, make that there is less viscous force during molecular motion, so as to reduce starch-based biological latex to being coated with the impact of runnability,
With preferable rheological property.It will be appreciated, of course, that in the modest viscosity of the starch milk obtained when the starch material for adopting,
Viscosity reductant can also be added without.
In step s3, described a certain amount of hydroxy polybasic acid or derivatives thereof, polyhydric alcohol amine, and a small amount of hypophosphorous acid
Sodium dihydrogen includes two kinds of situations：The first is hydroxy polybasic acid, polyhydric alcohol amine and sodium dihydric hypophosphite；Second is that hydroxyl is more
First acid derivative, polyhydric alcohol amine and sodium dihydric hypophosphite.Described hydroxy polybasic acid or derivatives thereof, polyhydric alcohol amine and starch
There is polyhydroxy cross-linking reaction in strand, form the netted esterification and crosslinking structure of multidimensional.Described hydroxy polybasic acid or derivatives thereof
Quality for starch material quality 0.5%~5%.The quality of the polyhydric alcohol amine is the 3%~8% of starch material quality.It is described
Hydroxy polybasic acid or derivatives thereof can be 2- itamalic acids, citric acid, diammonium hydrogen citrate and 2,3- dihydroxy fourth two
One or more in acid.The polyhydric alcohol amine can be one kind in diethanolamine, triethanolamine and diisopropanolamine (DIPA) or several
Kind.The quality of the sodium dihydric hypophosphite is the 0.3%~1.5% of starch material quality.Sodium dihydric hypophosphite is as reaction
Catalytic promoter, accelerates chemical reaction.After temperature reaches 80-95 DEG C, sodium dihydric hypophosphite can promote hydroxy polybasic acid or
The combination of amino, hydroxyl in the carboxyl and polyhydric alcohol amine of its derivant, promotes amidatioon, esterification, intensified response product
Intensity and elasticity after starch latex coating film forming.Response time was controlled in 20-60 minutes, due to there is hydroxyl in course of reaction
The polyhydroxy cross-linking reaction occurred between polyprotic acid or derivatives thereof, polyhydric alcohol amine and starch molecular chain, control time can be with
Make the more thorough of cross-linking reaction generation, it is ensured that the fully and completely gelatinizing of starch main body.After reaction 20-60 minutes, liquid
Viscosity reach 100-500mpas.In step S3, using hydroxy polybasic acid or derivatives thereof, polyhydric alcohol amine and starch point
Polyhydroxy reaction between subchain, forms the netted esterification and crosslinking structure of multidimensional, while promoting to be esterified using sodium dihydric hypophosphite
Carry out, increased considerably intensity and elasticity after starch latex coating film forming, reduce the hard of starch latex coating film itself
The adverse effect of property and fragility to paper strength.
In step s 4, the quality of the wet strengthening resin is the 2%~5% of starch material quality.Wet strengthening resin and step S3
The bonding of the material containing amino, carboxyl, hydroxyl in the reaction system for obtaining afterwards, increases resistance to after starch latex coating film forming
Aqueouss.The wet strengthening resin can be the one kind in polyamide polyamines epoxy resin, Lauxite, melamine resin or
It is several.After adding wet strengthening resin, the viscosity of liquid can reach 100-600mpas.After cooling, that is, obtain starch
Latex coating.Water can also be further added to adjust the degree of the solid matter of starch latex coating after step S4,
The content of solid matter is 40%~50% in the starch latex coating.
Below the present invention is further described with specific embodiment：
Embodiment 1：
Starch material and water are sufficiently mixed into 30% starch milk of uniform configuration, 0.5% citric acid and 20% dicyandiamide is added
30min is stirred in 40 DEG C；Add 0.5% diammonium hydrogen citrate, 3% diethanolamine, and 1.5% small molecule inorganic salt time
Sodium dihydrogen phosphate continues to react 60min, and the melamine resin that 5% is added afterwards continues to react 10min, and cooling is prepared
Starch latex coating is obtained, then its solid content of further water use regulation is 40% or so.
Embodiment 2：
Starch material and water are sufficiently mixed into 40% starch milk of uniform configuration, 2% citric acid and 5% poly dimethyl is added
Polysiloxane polyoxyethylene copolymer stirs 60min in 50 DEG C；5% 2- itamalic acids, 8% triethanolamine are added, and
0.3% small molecule inorganic salt sodium dihydric hypophosphite continues to react 20min, and the Lauxite that 2% is added afterwards continues to react
20min, cooling, that is, prepare starch latex coating, and then its solid content of further water use regulation is 50%.
Embodiment 3：
Starch material and water are sufficiently mixed into 40% starch milk of uniform configuration, add 1% maleic acid and 10% dicyandiamide in
50 DEG C of stirring 40min；Add 3% 2,3 dihydroxybutanedioic acid, 5% diisopropanolamine (DIPA), and 0.8% small molecule inorganic salt
Sodium dihydric hypophosphite continues to react 40min, adds the 3% continuous reaction 20min of polyamide polyamines epoxy resin, cooling to make afterwards
Standby to obtain starch latex coating, its solid content is 45%.
Embodiment 4：
Starch material and water are sufficiently mixed into 35% starch milk of uniform configuration, 1.5% citric acid and 10% stearic acid is added
Butyl ester stirs 60min in 45 DEG C；Add 5% diammonium hydrogen citrate, 3% triethanolamine, and 0.5% small molecule inorganic salt
Sodium dihydric hypophosphite continues to react 60min, the polyamide polyamines epoxy resin continuation reaction 20min of addition 5% afterwards, cooling, i.e.,
New starch latex coating is prepared, its solid content is 50%.
The embodiment of the present invention further provides for a kind of starch latex coating, and it includes：A certain amount of starch milk, the starch milk
Including starch material and water；Hydroxy polybasic acid or derivatives thereof；Polyhydric alcohol amine and wet strengthening resin.The starch latex coating may be used also
To further include molecular weight regulator；Viscosity reductant and sodium dihydric hypophosphite.In the starch milk, the quality percentage of starch material
Content is 30%~40%.The quality of the hydroxy polybasic acid or derivatives thereof is the 0.5%~5% of starch material quality.It is described many
The quality of first hydramine is the 3%~8% of starch material quality.The quality of the wet strengthening resin is the 2%~5% of starch material quality.
When molecular weight regulator is contained in starch latex coating, the quality of the molecular weight regulator is the 0.5% of starch material quality
~2%.When viscosity reductant is contained in starch latex coating, the quality of the viscosity reductant is the 5%~20% of starch material quality.When
When containing sodium dihydric hypophosphite in starch latex coating, the quality of the sodium dihydric hypophosphite for starch material quality 0.3%~
1.5%。
The starch latex coating that the present invention is provided can be used directly as coating binder, it is also possible to replace coating gluing
Part styrene-butadiene latex in agent is used.
The starch latex coating respectively obtained in embodiment of the present invention 1-4 is replaced into by a certain percentage styrene-butadiene latex, as
Coating binder is applied in Paper Coating, according to the order of embodiment 1-4, sample number 1#, 2#, 3# and 4# is denoted as respectively.Apply
The physical property of cloth adhesive and applied paper physical property result are as shown in the table：
| Sample | 1# | 2# | 3# | 4# | Styrene-butadiene latex |
| Substitute proportion | 60% | 60% | 60% | 60% | 0 |
| High shear | 66 | 70 | 68 | 73 | 55 |
| IGT | 2.15 | 2.33 | 2.41 | 2.25 | 2.08 |
| Ink absorption（%） | 21.8 | 22.0 | 21.5 | 20.7 | 22.1 |
| Glossiness（%） | 68.5 | 67.9 | 66.4 | 67.5 | 69.5 |
As seen from the above table, the starch latex coating that the present invention is provided is close to synthesis styrene-butadiene latex on rheological property, when 60%
Coating binder made by under the conditions of replacing at high proportion, high shear is slightly above styrene-butadiene latex, but still with preferable rheological characteristic and
Runnability, paper strength performance boost amplitude is obvious, printing adaptability energy and synthesis styrene-butadiene latex are suitable, although glossiness slightly has
Decline, but it can't be affected to apply, and due to starch latex coating cost it is lower than styrene-butadiene latex, therefore the shallow lake that the present invention is provided
Powder latex coating has good using value and application prospect.In addition, in the coating binder, due to starch latex coating
Replace the ratio of styrene-butadiene latex higher, typically 20%~70%, it is preferable that for 40%~70%, save the consumption of styrene-butadiene latex,
Reduce the cost of coating binder.
Starch latex coating that the present invention is provided and preparation method thereof has advantages below：First, the shallow lake that the present invention is provided
Powder latex coating adopts natural material starch or derivatives thereof for primary raw material, aboundresources, cheap and easy to get, biodegradable,
Environmental protection；Second, viscosity reductant is introduced in the preparation method of starch latex coating provided by the present invention, viscosity reductant can enter into shallow lake
In the strand of powder base, with the hydroxyl effect in starch hydrogen bonded is lowered, low-surface-energy is formed, while viscosity reductant has necessarily
Lubrication so that whole starch-based glue stick is applied in coating system to lower that adhesive is intermolecular or itself and face
Active force between material, makes have less viscous force during molecular motion, so as to reduce starch-based biological latex to coating operating
The impact of property, with preferable rheological property；3rd, the present invention using hydroxy polybasic acid or derivatives thereof, polyhydric alcohol amine and
Polyhydroxy cross-linking reaction between starch molecular chain, forms the netted esterification and crosslinking structure of multidimensional, while using sodium hypophosphite
To promoting esterification to carry out, the intensity and elasticity of starch are increased considerably, reduced the rigid and fragility paper feeding of starch film itself
The adverse effect for causing of Zhang Qiangdu.4th, the present invention introduces wet strengthening resin to Jing esterified crosslinked starch, can make applied
Paper possesses the strength character under certain wet condition.5th, starch latex coating of the present invention makes in coating as adhesive
Used time, using the teaching of the invention it is possible to provide stronger adhesive property, binder migration amount is few, while ensure that coating has preferable rheological characteristic
Can, it is ensured that good runnability.
In addition, those skilled in the art can also make other changes in spirit of the invention, certainly these are according to present invention essence
The change that god is made, all should be included in scope of the present invention.
Claims (10)
1. a kind of preparation method of starch latex coating, it is comprised the following steps：
Starch material and water are sufficiently mixed the starch milk for being configured to that weight/mass percentage composition is 30-40%；
Molecular weight regulator is added in the starch milk, after being heated to 40-50 degree Celsius, stirring a period of time, starch milk is made
Viscosity reach 10-50mPas；
Hydroxy polybasic acid or derivatives thereof, polyhydric alcohol amine and sodium dihydric hypophosphite are added, heating-up temperature is to 80-95 degree Celsius
Afterwards, react 20-60 minutes；Wherein, in course of reaction, starch is by gelatinizing；And
Wet strengthening resin is added, after continuing to react 10-30 minutes at a temperature of 80-95 degree Celsius, is cooled.
2. the preparation method of starch latex coating as claimed in claim 1, it is characterised in that the hydroxy polybasic acid or its spread out
Biology is one or more in 2- itamalic acids, citric acid, diammonium hydrogen citrate and 2,3 dihydroxybutanedioic acid, described
The quality of hydroxy polybasic acid or derivatives thereof is the 0.5%~5% of starch material quality.
3. the preparation method of starch latex coating as claimed in claim 1, it is characterised in that the polyhydric alcohol amine is diethanol
One or more in amine, triethanolamine and diisopropanolamine (DIPA), the quality of the polyhydric alcohol amine for starch material quality 3%~
8%.
4. the preparation method of starch latex coating as claimed in claim 1, it is characterised in that add molecular weight regulator it
Afterwards further add viscosity reductant adjust viscosity, the viscosity reductant be the one kind in many dicyandiamides, fatty acid ester and water-base resin or
Several, the quality of the viscosity reductant is the 5%~20% of starch material quality.
5. a kind of starch latex coating, it includes：Starch milk, molecular weight regulator and wet strengthening resin, the starch milk includes forming sediment
Powder raw material and water, wherein starch material account for the 30-40% of starch milk quality；Characterized in that, entering in the starch latex coating
One step includes hydroxy polybasic acid or derivatives thereof and polyhydric alcohol amine；Wherein, in the starch latex coating, starch is gelatinizing shape
State.
6. starch latex coating as claimed in claim 5, it is characterised in that the quality of described hydroxy polybasic acid or derivatives thereof
For the 0.5%~5% of starch material quality, the quality of the polyhydric alcohol amine is the 3%~8% of starch material quality.
7. starch latex coating as claimed in claim 5, it is characterised in that further include viscosity reductant, the quality of viscosity reductant
For the 5%~20% of starch material quality.
8. starch latex coating as claimed in claim 5, it is characterised in that described hydroxy polybasic acid or derivatives thereof with it is polynary
Hydramine is cross-linked with each other, and forms cross-linked structure.
9. a kind of coating binder, it includes starch latex coating and styrene-butadiene latex, it is characterised in that the starch latex coating
Starch latex coating prepared by method described in any one in claim 1-5, the quality of the starch latex coating is
The 20%~70% of styrene-butadiene latex quality.
10. coating binder as claimed in claim 9, it is characterised in that the quality of the starch latex coating is butadiene-styrene rubber
The 40%~70% of breast matter amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410029010.8A CN104790255B (en) | 2014-01-22 | 2014-01-22 | Starch coated latex and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410029010.8A CN104790255B (en) | 2014-01-22 | 2014-01-22 | Starch coated latex and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104790255A CN104790255A (en) | 2015-07-22 |
| CN104790255B true CN104790255B (en) | 2017-05-17 |
Family
ID=53555417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410029010.8A Active CN104790255B (en) | 2014-01-22 | 2014-01-22 | Starch coated latex and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104790255B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108949022B (en) * | 2018-06-07 | 2021-01-22 | 中科院广州化学有限公司南雄材料生产基地 | Biological latex, biological latex paint, and preparation method and application thereof |
| CN111087629A (en) * | 2019-12-09 | 2020-05-01 | 宁波亚洲浆纸业有限公司 | Biological latex and preparation method thereof, paint and preparation method and application thereof |
| CN112707973B (en) * | 2020-12-24 | 2022-06-07 | 中化石化销售有限公司 | Method for preparing starch ionomer and modified fully-degradable plastic thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101974093A (en) * | 2010-09-29 | 2011-02-16 | 广西明阳生化科技股份有限公司 | Production method for preparing low-pasting-temperature starch in cold water |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101597388B (en) * | 2008-06-02 | 2012-07-18 | 逢甲大学 | Biochemical shoe material and manufacturing method thereof |
-
2014
- 2014-01-22 CN CN201410029010.8A patent/CN104790255B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101974093A (en) * | 2010-09-29 | 2011-02-16 | 广西明阳生化科技股份有限公司 | Production method for preparing low-pasting-temperature starch in cold water |
Non-Patent Citations (1)
| Title |
|---|
| 酯化淀粉的研究进展;张水洞;《化学研究与应用》;20081015;第1255-1259页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104790255A (en) | 2015-07-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101440269B (en) | Adhesive, preparation and use thereof | |
| CN103351812B (en) | A kind of water-based parting agent and preparation method thereof and the separate-type paper utilizing this water-based parting agent to prepare | |
| CN101921381B (en) | Preparation method of aqueous polyurethane latex as vacuum plastic-absorption adhesive | |
| CN104790255B (en) | Starch coated latex and preparation method thereof | |
| CN104263275B (en) | A kind of environment-friendly type adhesive label material | |
| CN103362026B (en) | A kind of Copperplate board coating and coating process thereof | |
| CN104389237B (en) | A kind of papermaking coating biomass adhesive and its preparation method and application | |
| JP2013532208A (en) | Starch-based composition for latex replacement | |
| CN108148502B (en) | Preparation method of cylinder sticking agent for crepe paper | |
| CN105696412A (en) | Starch-based bio-latex and preparation method thereof | |
| CN106634720A (en) | Normal-temperature and quick-bonding waterproof adhesive for paper product and preparation method of normal-temperature and quick-bonding waterproof adhesive | |
| CN104928976B (en) | The coating fluid preparation method of printing paper, the manufacture craft and printing paper of printing paper | |
| Liu et al. | Preparation of a high-strength, hydrophobic performance starch-based adhesive with oxidative cross-linking via Fenton's reagent | |
| CN102660893B (en) | Sizing liquid, preparation method and coated paper using sizing liquid | |
| CN104356756A (en) | Intaglio printing ink | |
| WO2017080734A1 (en) | Primer composition | |
| CN111286286B (en) | Preparation method of water-resistant starch adhesive | |
| CN1795305A (en) | Modified legume starch-based compound for paper finishing | |
| CN112900141A (en) | Water transfer paper for improving transfer efficiency of sand blasting stained paper and production process thereof | |
| CN104263269A (en) | Novel composite material | |
| CN108485596A (en) | A kind of uvioresistant anti-flaming transparent glue and preparation method thereof | |
| CN104403613B (en) | A kind of adhesive and its preparation method and application | |
| CN107325750A (en) | One kind coating biological adhesive and preparation method thereof | |
| CN103059712A (en) | Single-component polyurethane coating | |
| CN116716756A (en) | Coated paper, coating, biological adhesive and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |