CN106866886A - A kind of paper both sexes drying strengthening agent - Google Patents
A kind of paper both sexes drying strengthening agent Download PDFInfo
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- CN106866886A CN106866886A CN201611260017.6A CN201611260017A CN106866886A CN 106866886 A CN106866886 A CN 106866886A CN 201611260017 A CN201611260017 A CN 201611260017A CN 106866886 A CN106866886 A CN 106866886A
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- monomer
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F251/00—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/22—Emulsion polymerisation
- C08F2/24—Emulsion polymerisation with the aid of emulsifying agents
-
- 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
- D21H21/18—Reinforcing agents
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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)
- Paper (AREA)
Abstract
The invention discloses a kind of paper both sexes drying strengthening agent, using converted starch as macromolecule emulsifier, starch is grafted with polyacrylamide chain macromolecular in the course of the polymerization process, prepare without the latent crosslinked polyacrylamide emulsion of soap, as paper drying strengthening agent.The present invention has enhancing effect good, is lost in less in plain boiled water, determines good, and jello is few, and the advantages of environmentally friendly, the drying strengthening agent can well improve into the performances such as ring pressure, folding, resistance to broken, anti-tensile, the paper internal bond strength of paper after adding paper pulp.
Description
Technical field
The present invention relates to a kind of additive for paper making, more particularly to a kind of paper both sexes drying strengthening agent.
Background technology
With China's expanding economy and the improvement of people's living standards, people constantly increase the demand of paper, right
The requirement more and more higher of paper quality, has largely promoted the development of China's paper industry.The intensity of paper be by it is various because
Element influence, be dependent firstly on into interfibrous adhesion and fiber intensity in itself in paper, and in paper the arrangement of fiber and
Distribution.And adhesion most importantly between fiber, the adhesion of fiber typically has four kinds:Chemical bond, hydrogen bond, Van der Waals force and fibre
Dimension table face intertexture power.Wherein Hydrogen bonding forces are the major ways that paper bond strength is produced, and the hydroxyl of cellulosic molecule is suitable
Many, the Hydrogen bonding forces formed each other by countless microfibres are very big, and this is the main cause that dry strength is produced.Drying strengthening agent
Mostly it is the high molecular polymer containing polyhydroxy from the point of view of the characteristics of its molecular structure, here it is being formed between cellulosic molecule
The basis of Hydrogenbond, the hydrogen bond in drying strengthening agent molecule forms group and forms hydrogen bond with the hydroxyl of fiber surface.As starch from
Being formed for fiber surface cellulosic molecule hydrogen bond take part in by glucose hydroxyl, so starch increased the combination of internal fiber
Power, increased the quantity of hydrogen bond on the natural combination face between two bundle fibers.Drying strengthening agent has necessarily to paper sheet formation process simultaneously
Improvement effect, drying strengthening agent now plays fiber during dispersant with high efficiency, i.e. drying strengthening agent make slurry and is more evenly distributed, there is provided more
Combined between many fibers and between fiber and macromolecule, so as to improve dry strength.
Drying strengthening agent is a class important chemical of increase paper strength in paper industry, many water miscible, with fiber energy
The high polymer for forming Hydrogenbond can turn into drying strengthening agent.Drying strengthening agent is generally used for the fiber of compensation addition filler or inferior grade
The decline of the paper intensity caused by (such as regenerated fiber).
Natural and synthesis drying strengthening agent major part is all hydrophilic macromolecule, and the dispersion of these macromolecules increased between the fibers
Bonding quantity between fiber, the purpose of paper strength is improved so as to reach.Conventional drying strengthening agent have natural polymer such as starch and its
Modifier (such as cationic starch, anionic starch), synthetic polymer such as polyacrylamide, glyoxal polyacrylamide and poly- second
Enol etc. and other water-soluble natural product type drying strengthening agents.In most cases, only add mass fraction 0.1%~
0.35% such material just can reach effectively does potent fruit.China is then with PAMA and modified starch
It is main.The using effect of modified starch is not good, existing polyacrylamide drying strengthening agent, in the preparation generally addition small molecule emulsification
Agent, can cause the secondary pollution of environment, need exploitation a kind of with efficient enhancing effect at present, and determining property is good, and the paper of environmental protection is used
Polyacrylamide drying strengthening agent.
The content of the invention
It is good with enhancing effect it is an object of the invention to provide a kind of paper both sexes drying strengthening agent, it is lost in plain boiled water less,
Determine good, jello is few, the advantages of environmentally friendly, the drying strengthening agent is added and can improve into well after paper pulp the ring pressure of paper, folding, resistance to
The performances such as broken, anti-tensile, paper internal bond strength.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of paper both sexes drying strengthening agent, is prepared by the following method and obtains：
(1) will converted starch add deionized water in be heated to 70 DEG C~95 DEG C make its completely be dissolved form emulsified body
System；
(2) emulsification system controls temperature at 70 DEG C~90 DEG C, to addition partial monosomy mixture and part in emulsification system
Initiator, insulation reaction 15~30 minutes, backward emulsification system in remaining monomer mixture and remaining initiator is added dropwise,
70 DEG C~90 DEG C of keeping temperature during dropwise addition, time for adding 60~90 minutes, 90~120 points of insulation reaction after completion of dropwise addition
Clock, adds terminator insulation reaction 40~60 minutes, is cooled to 60 DEG C, adds the second latency monomer, and the regulation reaction that adds water is produced
Thing solid content is 15~25%, is cooled to 50 DEG C with bottom discharge.
Preferably, in step (1), converted starch is 1 with the mass ratio of deionized water:25~35.
Preferably, in step (2), partial monosomy mixture is the 10~15% of monomer mixture gross weight, is partly drawn
Hair agent is the 18~22% of initiator gross weight.
Preferably, in step (2), if the composition of monomer mixture is water soluble ingredient, monomer mixture adds water molten
Used after solution；If the composition of monomer mixture includes water soluble ingredient and water insoluble active ingredient, after water soluble ingredient is dissolved in water
Use, water insoluble active ingredient is directly used.
Preferably, in step (2), initiator is used after being dissolved in water.
Preferably, by weight, the paper both sexes drying strengthening agent the ratio of each component is：
10~50 parts of converted starch；
Monomer mixture：80~140 parts of base monomer, 10~25 parts of cationic monomer, 1~10 part of anionic monomer, work(
Can 1~20 part of monomer, 0.1~3.5 part of interior cross-linking monomer, 5~10 parts of the first latency monomer, 0.01~2 part of chain-transferring agent and
0.01~1 part of chelating agent；
0.1~2 part of initiator；
0.1~2 part of terminator；
Second 3~7 parts of latency monomer.
Preferably, the converted starch is in oxidized starch, cationic starch, amphoteric starch, phosphate ester starch
Plant or various combinations.
Preferably, the base monomer be acrylamide, Methacrylamide in one or two；
The cationic monomer is dimethyl diallyl ammonium chloride, dimethylamino ethyl acrylate, methacrylic acid two
Methylamino ethyl ester, acrylic acid Of, diethylaminoethyl base ethyl ester, dimethylamino propyl acrylamide, two
Methylaminopropyl Methacrylamide, MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride, acrylyl oxy-ethyl-trimethyl salmiac,
Methylacryloxyethyldimethyl benzyl ammonium chloride, acryloxyethyldimethyl benzyl ammonium chloride, (3- acrylamides third
Base) trimethyl ammonium chloride, one or more in (3- methacryiamidopropyls) trimethyl ammonium chloride of combination；
The anionic monomer is methacrylic acid, acrylic acid, itaconic acid, fumaric acid, fumaric acid anhydride, maleic acid, Malaysia
In acid anhydrides, sodium vinyl sulfonate, vinylbenzenesulfonic acid sodium, the methyl propane sulfonic acid of 2- acrylamidos -2, styrene sulfonic acid and its salt
One or more of combination；
The function monomer is NMA, GMA, hydroxy-ethyl acrylate, methyl-prop
Olefin(e) acid hydroxyl ethyl ester, hydroxypropyl acrylate, hydroxy propyl methacrylate, acrylonitrile, methacrylonitrile, styrene, methyl styrene,
One or more in alkyl acrylate, alkyl methacrylate of combination；
The interior cross-linking monomer be N, N- DMAAs, N, N '-dimethyl bisacrylamide, vinyltoluene,
One kind in trimethylolpropane trimethacrylate, the valerate of trihydroxy methyl propane three, the heptanoate of trihydroxy methyl propane three
Or various combinations.
Preferably, the first latency monomer be DAAM, the second latency monomer for oneself two
Hydrazides.
Preferably, the chain-transferring agent is lauryl mercaptan, isopropanol, sodium hypophosphite, sodium formate, monoethanolamine, alkene
One or two combinations in propyl alcohol；The chelating agent is EDTA；The initiator is persulfate (sodium peroxydisulfate, persulfuric acid
Ammonium, potassium peroxydisulfate), ammonium ceric nitrate, pentaerythrite, peroxide (hydrogen peroxide), azodiisobutyronitrile, sulphite (sulfurous acid
Sodium), bisulfites (sodium hydrogensulfite), thiosulfate (sodium thiosulfate), one or more in potassium permanganate of group
Close；The terminator be sodium sulfite, bisulfite receive, one or more in potassium sulfite, potassium bisulfite of combination.
The present invention using converted starch as macromolecule emulsifier, starch and polyacrylamide chain macromolecular in the course of the polymerization process
Grafting, prepare without the latent crosslinked polyacrylamide emulsion of soap, small-molecular emulsifier is not introduced into formula system, no
The secondary pollution problem of environment can be caused.By the narrow molecular weight distribution for adjusting polymerization technique, being formulated, obtain product, effectively into
Divide high.Interior cross-linkable monomer is successfully introduced into so that polyacrylamide chain also has branched structure in itself, and this assigns its uniqueness
Application performance.The cationic monomer of introducing makes the polymer macromolecule of gained with cation, thus enhances polymer big
The cationic of molecule.The introducing of function monomer, have adjusted the ratio of soft and hard segments monomer so that the drying strengthening agent has suitable glass
Glass temperature shows the adhesive property of adhesive.Latency monomer (the first latency monomer and the second latency monomer) draws
Enter so that product intermolecular further crosslinking of polyacrylamide in application, increased considerably intermolecular force.Latency
The Function of monomer is to play crosslinked action in the last film forming of paper.It is to prevent that second latency monomer is eventually adding
Premature reaction, cannot play a role when causing the last film forming of paper.Solve a kind of tool for needing in current paper industry to prepare
There is efficient enhancing effect, determining property is good, the paper problem of polyacrylamide dry reinforcer of environmental protection is good with enhancing effect, in vain
It is lost in less in water, determines good, jello is few, the advantages of environmentally friendly.
The beneficial effects of the invention are as follows：It is good with enhancing effect, it is lost in less in plain boiled water, determine good, jello is few, environmental protection etc.
Advantage, the drying strengthening agent can well improve into ring pressure, folding, resistance to broken, anti-tensile, paper internal bond strength of paper etc. after adding paper pulp
Performance.
Specific embodiment
Below by specific embodiment, technical scheme is described in further detail.
In the present invention, if not refering in particular to, raw material and equipment for being used etc. is commercially available or commonly used in the art.
Method in following embodiments, unless otherwise instructed, is the conventional method of this area.
Total embodiment：
A kind of paper uses both sexes drying strengthening agent, formula to be designed as：
By weight, the paper both sexes drying strengthening agent the ratio of each component is：
10~50 parts of converted starch；
Monomer mixture：80~140 parts of base monomer, 10~25 parts of cationic monomer, 1~10 part of anionic monomer, work(
Can 1~20 part of monomer, 0.1~3.5 part of interior cross-linking monomer, 5~10 parts of the first latency monomer, 0.01~2 part of chain-transferring agent and
0.01~1 part of chelating agent；
0.1~2 part of initiator；
0.1~2 part of terminator；
Second 3~7 parts of latency monomer.
The converted starch is one or more in oxidized starch, cationic starch, amphoteric starch, phosphate ester starch
Combination.
The base monomer be acrylamide, Methacrylamide in one or two；
The cationic monomer is dimethyl diallyl ammonium chloride, dimethylamino ethyl acrylate, methacrylic acid two
Methylamino ethyl ester, acrylic acid Of, diethylaminoethyl base ethyl ester, dimethylamino propyl acrylamide, two
Methylaminopropyl Methacrylamide, MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride, acrylyl oxy-ethyl-trimethyl salmiac,
Methylacryloxyethyldimethyl benzyl ammonium chloride, acryloxyethyldimethyl benzyl ammonium chloride, (3- acrylamides third
Base) trimethyl ammonium chloride, one or more in (3- methacryiamidopropyls) trimethyl ammonium chloride of combination；
The anionic monomer is methacrylic acid, acrylic acid, itaconic acid, fumaric acid, fumaric acid anhydride, maleic acid, Malaysia
In acid anhydrides, sodium vinyl sulfonate, vinylbenzenesulfonic acid sodium, the methyl propane sulfonic acid of 2- acrylamidos -2, styrene sulfonic acid and its salt
One or more of combination；
The function monomer is NMA, GMA, hydroxy-ethyl acrylate, methyl-prop
Olefin(e) acid hydroxyl ethyl ester, hydroxypropyl acrylate, hydroxy propyl methacrylate, acrylonitrile, methacrylonitrile, styrene, methyl styrene,
One or more in alkyl acrylate, alkyl methacrylate of combination；
The interior cross-linking monomer be N, N- DMAAs, N, N '-dimethyl bisacrylamide, vinyltoluene,
One kind in trimethylolpropane trimethacrylate, the valerate of trihydroxy methyl propane three, the heptanoate of trihydroxy methyl propane three
Or various combinations.
The first latency monomer is DAAM, and the second latency monomer is AH.It is described
Chain-transferring agent is one or two groups in lauryl mercaptan, isopropanol, sodium hypophosphite, sodium formate, monoethanolamine, allyl alcohol
Close；The chelating agent is EDTA；The initiator is different persulfate, ammonium ceric nitrate, pentaerythrite, peroxide, azo two
One or more in butyronitrile, sulphite, bisulfites, thiosulfate, potassium permanganate of combination；The terminator is
Sodium sulfite, bisulfite are received, one or more in potassium sulfite, potassium bisulfite of combination.
Preparation method is：
(1) will converted starch add deionized water in be heated to 70 DEG C~95 DEG C make its completely be dissolved form emulsified body
System；Converted starch is 1 with the mass ratio of deionized water:25~35.
(2) emulsification system controls temperature at 70 DEG C~90 DEG C, to 10 of addition monomer mixture gross weight in emulsification system
~15% monomer mixture and the 18~22% of initiator gross weight initiator, insulation reaction 15~30 minutes are backward
Remaining monomer mixture and remaining initiator are added dropwise in emulsification system, 70 DEG C~90 DEG C of keeping temperature during dropwise addition, drop
60~90 minutes between the added-time, insulation reaction 90~120 minutes after completion of dropwise addition add terminator insulation reaction 40~60 minutes,
60 DEG C are cooled to, the second latency monomer is added, the regulation product that adds water solid content is 15~25%, is cooled to less than 50 DEG C
Discharging.
If the composition of monomer mixture is water soluble ingredient, monomer mixture is used after being dissolved in water；If monomer mixes
The composition of thing includes water soluble ingredient and water insoluble active ingredient, and water soluble ingredient is used after being dissolved in water, and water insoluble active ingredient is straight
Connect and use.Initiator is used after being dissolved in water.
Specific embodiment：
(1) 20 grams of amphoteric starch, plus deionized water：597 grams, 75 DEG C~90 DEG C are warming up to, emulsification is formed after being completely dissolved
System.
(2) in emulsification system, disposable addition accounts for the (water-soluble mono of dropping material one of the gross weight 10% of dropping material one simultaneously
Body mixture solution), account for 10% dropping material two (non-water soluble monomers) of the gross weight of dropping material two, account for the gross weight of dropping material three
20% dropping material three (initiator solution).Wherein dropping material one is formulated and is：150 grams of deionized water, 127.1 grams of acrylamide, two
18 grams of methyl diallyl ammonium chloride, 3 grams of itaconic acid, 5 grams of hydroxy-ethyl acrylate, 0.5 gram of N, N- bismethacrylamide is double
6 grams of acetone acrylamide, 0.05 gram of sodium formate, 0.07 gram of chelating agent EDTA；Dropping material two is formulated：10 grams of styrene, propylene
7 grams of acid butyl ester；Dropping material three is formulated：1 gram of ammonium persulfate, 50 grams of water.Maintain 75 DEG C~90 DEG C 15~30 points of degree reactions of temperature
Clock.Remaining dropping material one, dropping material two, dropping material San Tong method are uniformly added dropwise after terminating for reaction, keeping temperature 75 DEG C~90
DEG C, time for adding 60~90 minutes, after being then incubated 90 minutes at 80 DEG C~90 DEG C, sampling is surveyed its viscosity and is：5000~
12000mPs, adds terminator：0.2 gram, addition is further continued for insulation 60 minutes, is cooled to 60 DEG C, adds AH 6.2
Gram, add water and adjust its solids content to 20%, it is cooled to less than 50 DEG C blowings.
Product of the invention has enhancing effect good, is lost in less in plain boiled water, determines good, and jello is few, the advantages of environmentally friendly, should
Drying strengthening agent can well improve into the performances such as ring pressure, folding, resistance to broken, anti-tensile, the paper internal bond strength of paper after adding paper pulp, with
Not plus the paper that is made of paper pulp of drying strengthening agent is compared, the performance such as ring pressure, folding, resistance to broken, anti-tensile, paper internal bond strength into paper can be with
Improve 35-40%.
Embodiment described above is a kind of preferably scheme of the invention, not makees any formal to the present invention
Limitation, also has other variants and remodeling on the premise of without departing from the technical scheme described in claim.
Claims (10)
1. a kind of paper both sexes drying strengthening agent, it is characterised in that be prepared by the following method and obtain：
(1) will converted starch add deionized water in be heated to 70 DEG C~95 DEG C make its completely be dissolved form emulsification system；
(2) emulsification system controls temperature at 70 DEG C~90 DEG C, triggers to partial monosomy mixture and part is added in emulsification system
Agent, insulation reaction 15~30 minutes, backward emulsification system in remaining monomer mixture and remaining initiator is added dropwise, be added dropwise
During 70 DEG C~90 DEG C of keeping temperature, time for adding 60~90 minutes, insulation reaction 90~120 minutes after completion of dropwise addition, plus
Enter terminator insulation reaction 40~60 minutes, be cooled to 60 DEG C, add the second latency monomer, the regulation product that adds water contains admittedly
It is 15~25% to measure, and is cooled to 50 DEG C with bottom discharge.
2. a kind of paper both sexes drying strengthening agent according to claim 1, it is characterised in that in step (1), converted starch with
The mass ratio of deionized water is 1:25~35.
3. a kind of paper both sexes drying strengthening agent according to claim 1, it is characterised in that in step (2), partial monosomy is mixed
Compound is the 10~15% of monomer mixture gross weight, and part initiator is the 18~22% of initiator gross weight.
4. a kind of paper both sexes drying strengthening agent according to claim 1, it is characterised in that in step (2), if monomer mixes
The composition of thing is water soluble ingredient, and monomer mixture is used after being dissolved in water；If the composition of monomer mixture includes water solubility
Composition and water insoluble active ingredient, water soluble ingredient are used after being dissolved in water, and water insoluble active ingredient is directly used.
5. a kind of paper both sexes drying strengthening agent according to claim 1, it is characterised in that in step (2), initiator adds water
Used after dissolving.
6. a kind of paper both sexes drying strengthening agent according to claim 1 or 2 or 3, it is characterised in that by weight, institute
Paper both sexes drying strengthening agent is stated to the ratio of each component is：
10~50 parts of converted starch；
Monomer mixture：80~140 parts of base monomer, 10~25 parts of cationic monomer, 1~10 part of anionic monomer, function list
1~20 part of body, 0.1~3.5 part of interior cross-linking monomer, 5~10 parts of the first latency monomer, 0.01~2 part of chain-transferring agent and chelating
0.01~1 part of agent；
0.1~2 part of initiator；
0.1~2 part of terminator；
Second 3~7 parts of latency monomer.
7. a kind of paper both sexes drying strengthening agent according to claim 6, it is characterised in that the converted starch forms sediment for oxidation
One or more in powder, cationic starch, amphoteric starch, phosphate ester starch of combination.
8. a kind of paper both sexes drying strengthening agent according to claim 6, it is characterised in that
The base monomer be acrylamide, Methacrylamide in one or two；
The cationic monomer is dimethyl diallyl ammonium chloride, dimethylamino ethyl acrylate, dimethylaminoethyl acrylate methyl amine
Base ethyl ester, acrylic acid Of, diethylaminoethyl base ethyl ester, dimethylamino propyl acrylamide, diformazan ammonia
Base propyl methacrylamide, MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride, acrylyl oxy-ethyl-trimethyl salmiac, methyl
Acryloxyethyldimethyl benzyl ammonium chloride, acryloxyethyldimethyl benzyl ammonium chloride, (3- acrylamide propyls) three
One or more in ammonio methacrylate, (3- methacryiamidopropyls) trimethyl ammonium chloride of combination；
The anionic monomer be methacrylic acid, acrylic acid, itaconic acid, fumaric acid, fumaric acid anhydride, maleic acid, maleic anhydride,
One kind in sodium vinyl sulfonate, vinylbenzenesulfonic acid sodium, the methyl propane sulfonic acid of 2- acrylamidos -2, styrene sulfonic acid and its salt
Or various combinations；
The function monomer is NMA, GMA, hydroxy-ethyl acrylate, methacrylic acid
Hydroxyl ethyl ester, hydroxypropyl acrylate, hydroxy propyl methacrylate, acrylonitrile, methacrylonitrile, styrene, methyl styrene, propylene
One or more in acid alkyl ester, alkyl methacrylate of combination；
The interior cross-linking monomer is N, N- DMAAs, N, N '-dimethyl bisacrylamide, vinyltoluene, three hydroxyls
One kind or many in propane tri, the valerate of trihydroxy methyl propane three, the heptanoate of trihydroxy methyl propane three
The combination planted.
9. a kind of paper both sexes drying strengthening agent according to claim 6, it is characterised in that the first latency monomer is
DAAM, the second latency monomer is AH.
10. a kind of paper both sexes drying strengthening agent according to claim 6, it is characterised in that the chain-transferring agent is 12
One or two combinations in alkyl hydrosulfide, isopropanol, sodium hypophosphite, sodium formate, monoethanolamine, allyl alcohol；The chelating agent is
EDTA；The initiator is persulfate, ammonium ceric nitrate, pentaerythrite, peroxide, azodiisobutyronitrile, sulphite, Asia
One or more in disulfate, thiosulfate, potassium permanganate of combination；The terminator is sodium sulfite, sulfurous acid
Hydrogen is received, one or more in potassium sulfite, potassium bisulfite of combination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611260017.6A CN106866886A (en) | 2016-12-30 | 2016-12-30 | A kind of paper both sexes drying strengthening agent |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611260017.6A CN106866886A (en) | 2016-12-30 | 2016-12-30 | A kind of paper both sexes drying strengthening agent |
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| CN106866886A true CN106866886A (en) | 2017-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611260017.6A Pending CN106866886A (en) | 2016-12-30 | 2016-12-30 | A kind of paper both sexes drying strengthening agent |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020000310A1 (en) * | 2018-06-28 | 2020-01-02 | 江苏富淼科技股份有限公司 | Crosslinking modified type water-soluble solid polyacrylamide and use thereof |
| CN110950999A (en) * | 2019-12-17 | 2020-04-03 | 江门市高力依科技实业有限公司 | Bobbin paper dry strength agent and preparation method thereof |
| CN112553954A (en) * | 2020-12-10 | 2021-03-26 | 江门市高力依科技实业有限公司 | Modified corn straw papermaking dry strength agent and use method thereof |
| CN113089368A (en) * | 2021-03-29 | 2021-07-09 | 上海昶法新材料有限公司 | Reinforcing agent for natural polymer modified paper interlayer spraying and preparation method thereof |
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| CN102558446A (en) * | 2011-12-31 | 2012-07-11 | 上海东升新材料有限公司 | Dry strength agent and preparation method and application thereof |
| CN103333352A (en) * | 2013-06-06 | 2013-10-02 | 浙江恒达纸业有限公司 | Preparation method of crosslinked grafted modified polyvinyl alcohol surface reinforcing agent |
| CN104592444A (en) * | 2015-02-13 | 2015-05-06 | 孙高雷 | Dry strength agent for packaging paperboard and preparation method thereof |
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2016
- 2016-12-30 CN CN201611260017.6A patent/CN106866886A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102558446A (en) * | 2011-12-31 | 2012-07-11 | 上海东升新材料有限公司 | Dry strength agent and preparation method and application thereof |
| CN103333352A (en) * | 2013-06-06 | 2013-10-02 | 浙江恒达纸业有限公司 | Preparation method of crosslinked grafted modified polyvinyl alcohol surface reinforcing agent |
| CN104592444A (en) * | 2015-02-13 | 2015-05-06 | 孙高雷 | Dry strength agent for packaging paperboard and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020000310A1 (en) * | 2018-06-28 | 2020-01-02 | 江苏富淼科技股份有限公司 | Crosslinking modified type water-soluble solid polyacrylamide and use thereof |
| CN110950999A (en) * | 2019-12-17 | 2020-04-03 | 江门市高力依科技实业有限公司 | Bobbin paper dry strength agent and preparation method thereof |
| CN112553954A (en) * | 2020-12-10 | 2021-03-26 | 江门市高力依科技实业有限公司 | Modified corn straw papermaking dry strength agent and use method thereof |
| CN113089368A (en) * | 2021-03-29 | 2021-07-09 | 上海昶法新材料有限公司 | Reinforcing agent for natural polymer modified paper interlayer spraying and preparation method thereof |
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Application publication date: 20170620 |