CN106087564A - The preparation method of a kind of wet strength agent and wet strength agent - Google Patents
The preparation method of a kind of wet strength agent and wet strength agent Download PDFInfo
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- CN106087564A CN106087564A CN201610452057.4A CN201610452057A CN106087564A CN 106087564 A CN106087564 A CN 106087564A CN 201610452057 A CN201610452057 A CN 201610452057A CN 106087564 A CN106087564 A CN 106087564A
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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
- 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
- D21H21/20—Wet strength 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/06—Alcohols; Phenols; Ethers; Aldehydes; Ketones; Acetals; Ketals
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/14—Carboxylic acids; 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/25—Cellulose
- D21H17/26—Ethers 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/36—Polyalkenyalcohols; Polyalkenylethers; Polyalkenylesters
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
- D21H17/55—Polyamides; Polyaminoamides; Polyester-amides
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/71—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes
- D21H17/74—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes of organic and inorganic material
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Abstract
The invention discloses the present invention and preparation method and the wet strength agent of a kind of wet strength agent are provided, the method includes: carries out homogenizing in homogenizer 15 hours at 50 80 DEG C after being mixed by the water of the Polyamide-Polyamsne-Epichlorohydrin solution of 30 100 weight portions, the polyvinyl alcohol of 40 80 weight portions, the Nipagin ester of 55 120 weight portions, the potassium titanate crystal whisker of 5 35 weight portions, the linolenic acid of 10 30 weight portions, the propylene glycol of 10 20 weight portions, the water-soluble cellulose of 2 15 weight portions and 150 1000 weight portions, obtains wet strength agent.The wet strength agent of the present invention ensures the intensity of paper while ensure that paper pliability.
Description
Technical field
The present invention relates to pulp technology for making paper, be specifically related to preparation method and the wet strength agent of a kind of wet strength agent.
Background technology
Wet strength agent is mainly applied in paper industry.Different its consumptions of paper kind differs widely, as (toilet paper, fruit paper bag,
Paperboard, wettable water surface paper etc.).Wet strength agent is primarily now based on PAE wet strength agent.Factory is also a lot, mostly on a small scale
Change, but its production product quality is pretty good.
Chinese patent CN103981759A discloses a kind of emulsion-type wet strength agent and preparation method thereof, and wet strength agent includes following
Raw material: dimethyl diallyl ammonium chloride, Polyamide-Polyamsne-Epichlorohydrin resin, dicyandiamide, polyoxyethylene stearic acid ester, meat
Myristate stearic acid, hyaluronate sodium, sodium formate, polyoxyethylene ether, aluminium sesquioxide, azodiisobutyronitrile, formic acid, carbonic acid
Sodium, sulfamic acid sodium water solution, catalyst.Its preparation method is by dimethyl diallyl ammonium chloride, polyamide polyamines epoxy
Chloropropane resin, dicyandiamide, polyoxyethylene stearic acid ester, myristinate stearic acid, hyaluronate sodium mix homogeneously, then add
Enter sodium formate, polyoxyethylene ether, aluminium sesquioxide, azodiisobutyronitrile, be warming up to 40～60 DEG C reaction 1～2h, add formic acid,
Sodium carbonate, sulfamic acid sodium water solution, catalyst, mix homogeneously, stand.
Chinese patent CN 101704947A discloses a kind of wet strength agent for papermaking and preparation method thereof, preparation method include as
Lower step: (1) is by polyamine, polynary acyl chlorides and acid binding agent hybrid reaction, it is thus achieved that condensation substance；(2) condensation substance of step (1) is added
Enter epichlorohydrin reaction, it is thus achieved that wet strength agent for papermaking.
Existing paper, such as toilet paper, it is desirable to have certain pliability, but simultaneously need to ensure the intensity of paper.
Summary of the invention
It is an object of the invention to provide preparation method and the wet strength agent of a kind of wet strength agent, this wet strength agent ensure that paper
The intensity of paper is ensured while pliability.
For achieving the above object, the present invention provides the preparation method of a kind of wet strength agent, and the method includes: by 30-100 weight
The Polyamide-Polyamsne-Epichlorohydrin solution of part, the polyvinyl alcohol of 40-80 weight portion, the Nipagin ester of 55-120 weight portion, 5-
The potassium titanate crystal whisker of 35 weight portions, the linolenic acid of 10-30 weight portion, the propylene glycol of 10-20 weight portion, 2-15 weight portion water-soluble
Property cellulose and 150-1000 weight portion water mixing after at 50-80 DEG C, in homogenizer, carry out homogenizing 1-5 hour, obtain wet
Strong agent.
Preferably, by the Polyamide-Polyamsne-Epichlorohydrin solution of 50-70 weight portion, the polyvinyl alcohol of 60-80 weight portion,
The Nipagin ester of 70-100 weight portion, 10-30 measure the potassium titanate crystal whisker of part, the linolenic acid of 20-30 weight portion, 15-20 weight portion
Propylene glycol, the water-soluble cellulose of 6-10 weight portion and 300-800 weight portion water mixing after carry out described homogenizing.
Preferably, the viscosity of described Polyamide-Polyamsne-Epichlorohydrin is 15-50mPa s-1, pH is 3-5, and solid content is
10-30 weight %, density is 1.01-1.1g cm3。
Preferably, the diameter 100-500 nanometer of described potassium titanate crystal whisker, length 10-15 micron, tensile strength is 6.5-
7.5GPa, elastic modelling quantity is 200-500GPa.
Preferably, described water-soluble cellulose is chitosan or hydroxypropyl methyl cellulose.
Preferably, the condition of described homogenizing is: temperature is 60-70 DEG C, and homogenizing time is 2-3 hour.
The present invention also provides for a kind of wet strength agent, and described wet strength agent includes the polyamide polyamines epoxy chloropropionate of 30-100 weight portion
Alkane solution, the polyvinyl alcohol of 40-80 weight portion, the Nipagin ester of 55-120 weight portion, the potassium titanate crystal whisker of 5-35 weight portion,
The linolenic acid of 10-30 weight portion, the propylene glycol of 10-20 weight portion, the water-soluble cellulose of 2-15 weight portion and 150-1000 weight
The water of amount part.
Preferably, the viscosity of described Polyamide-Polyamsne-Epichlorohydrin is 15-50mPa s-1, pH is 3-5, and solid content is
10-30 weight %, density is 1.01-1.1g cm3。
Preferably, the diameter 100-500 nanometer of described potassium titanate crystal whisker, length 10-15 micron, tensile strength is 6.5-
7.5GPa, elastic modelling quantity is 200-500GPa.
Preferably, described water-soluble cellulose is chitosan or hydroxypropyl methyl cellulose.
The inventive method has the advantage that
The wet strength agent that the present invention provides on the premise of ensureing pliability, can maintain the degree of sizing of paper, improves paper
Surface strength, bursting strength and ring crush intensity and wet strength.
Detailed description of the invention
Detailed description below is merely to illustrate the present invention, but the present invention is not therefore subject to any restriction.
The present invention provides the preparation method of a kind of wet strength agent, and the method includes: by the polyamide polyamines of 30-100 weight portion
Epoxychloropropane solution, the polyvinyl alcohol of 40-80 weight portion, the Nipagin ester of 55-120 weight portion, the metatitanic acid of 5-35 weight portion
Potassium whisker, the linolenic acid of 10-30 weight portion, the propylene glycol of 10-20 weight portion, the water-soluble cellulose of 2-15 weight portion and 150-
At 50-80 DEG C, in homogenizer, carry out homogenizing 1-5 hour after the water mixing of 1000 weight portions, obtain wet strength agent；Preferably, will
The Polyamide-Polyamsne-Epichlorohydrin solution of 50-70 weight portion, the polyvinyl alcohol of 60-80 weight portion, the Buddhist nun of 70-100 weight portion
Pool gold ester, 10-30 measure the potassium titanate crystal whisker of part, the linolenic acid of 20-30 weight portion, the propylene glycol of 15-20 weight portion, 6-10 weight
Described homogenizing is carried out after the water-soluble cellulose of part and the water mixing of 300-800 weight portion.
Polyamide-Polyamsne-Epichlorohydrin (PAE) resin be current in, the wet strength agent of alkaline bleach liquor sizing, it is by divinyl three
Amine (DE TA) and adipic acid react and prepare intermediate, then react the most available with epoxychloropropane (EPI).Such as, described polyamides
The viscosity of amine epoxy polyamine chloropropane can be 15-50mPa s-1, pH is 3-5, and solid content can be 10-30 weight %, and density can
Think 1.01-1.1g cm3。
Potassium titanate crystal whisker is the chopped fiber complex of a kind of novel needle-like, has the most excellent mechanical property and physical property
Can, it is referred to as the novel enhanced composite of 21st century, can use as heat-barrier material, reinforcing material, friction material, coating
Raw material etc..The diameter of potassium titanate crystal whisker of the present invention can be 100-500 nanometer, and length can be 10-15 micron, tension
Intensity can be 6.5-7.5GPa, and elastic modelling quantity can be 200-500GPa.
Water-soluble fibre is that one can be dissolved or meet water in water and slowly hydrolysed to water soluble molecules (or compound)
Fiber, such as, described water-soluble cellulose can be chitosan or hydroxypropyl methyl cellulose.
Homogenizing also referred to as homogenate, is to make dispersion micronized in suspension (or emulsion) system, the process of homogenization
Journey, this process plays simultaneously and reduces dispersion yardstick and improve the effect of dispersion distributing homogeneity.The condition of described homogenizing can
Thinking: temperature is 60-70 DEG C, homogenizing time is 2-3 hour.
The present invention also provides for a kind of wet strength agent, and described wet strength agent includes the polyamide polyamines epoxy chloropropionate of 30-100 weight portion
Alkane solution, the polyvinyl alcohol of 40-80 weight portion, the Nipagin ester of 55-120 weight portion, the potassium titanate crystal whisker of 5-35 weight portion,
The linolenic acid of 10-30 weight portion, the propylene glycol of 10-20 weight portion, the water-soluble cellulose of 2-15 weight portion and 150-1000 weight
The water of amount part.
Polyamide-Polyamsne-Epichlorohydrin (PAE) resin be current in, the wet strength agent of alkaline bleach liquor sizing, it is by divinyl three
Amine (DE TA) and adipic acid react and prepare intermediate, then react the most available with epoxychloropropane (E PI).Such as, described poly-
The viscosity of polyamide-polyamino epoxychloropropane can be 15-50mPa s-1, pH is 3-5, and solid content can be 10-30 weight %, density
Can be 1.01-1.1g cm3。
Potassium titanate crystal whisker is the chopped fiber complex of a kind of novel needle-like, has the most excellent mechanical property and physical property
Can, it is referred to as the novel enhanced composite of 21st century, can use as heat-barrier material, reinforcing material, friction material, coating
Raw material etc..The diameter of potassium titanate crystal whisker of the present invention can be 100-500 nanometer, and length can be 10-15 micron, tension
Intensity can be 6.5-7.5GPa, and elastic modelling quantity can be 200-500GPa.
Water-soluble fibre is that one can be dissolved or meet water in water and slowly hydrolysed to water soluble molecules (or compound)
Fiber, such as, described water-soluble cellulose can be chitosan or hydroxypropyl methyl cellulose.
Following example are used for illustrating the present invention, but are not limited to the scope of the present invention.
The method of testing of the embodiment of the present invention and comparative example is as follows:
Degree of sizing: use Cobb water absorbent surface gravimetric method, the quality absorbed water in paper unit are after comparing immersion, use g/
m2Represent.Measure according to GB GB/T461.3-2005.
Surface strength of paper: the surface of the speed printing paper to increase continuously, until plucking occurs in surface, uses cm s-1Table
Show.Measure according to GB GB/T2679.15-1997.
Bursting strength: refer to the maximum pressure uniformly increased that Paper or cardboard can bear in unit are, carry out table with kPa
Show.Burst index=bursting strength/quantitatively.Measure according to GB GB/T454-1989.
Dry tensile strength detects according to GB/T453-2002 method, and wet tensile (strength) is carried out according to GB/T652 method
Detection, wet strength=wet tensile (strength)/dry tensile strength × 100%.
Ring crush intensity uses standard GB/T/T 2679.8-1995 to measure, and unit is N m/g.
Pliability uses DCRR Y 1000 type computer observing and controlling pliability instrument to be measured, and the numerical value of pliability is the least, represents
Paper is the most soft, and unit is mN.
Manufacturing paper with pulp of page: under slow stirring, adds wet strength agent (or being added without) 100g/Kg in wood pulp and starches (wet feed
Amount), carry out handsheet after stirring 5min, the quantitative 60g/m of handsheet2, pattern, in 110 DEG C of ripening 15min, is cooled in exsiccator
Room temperature, places 24h standby.
Embodiment 1
By the Polyamide-Polyamsne-Epichlorohydrin solution of 30 grams, (viscosity is 35mPa s-1, pH is 3.3, and solid content is 21.3
Weight %, density is 1.05g cm3), the polyvinyl alcohol of 50 grams, the Nipagin ester of 55 grams, the potassium titanate crystal whisker (diameter 200 of 5 grams
Nanometer, length 13 microns, tensile strength is 7.5GPa, and elastic modelling quantity is 300GPa), the linolenic acid of 10 weight portions, 15 weight portions
Propylene glycol, the hydroxypropyl methyl cellulose of 2 weight portions and 800 weight portions water mixing after carry out in homogenizer at 50 DEG C
Homogenizing 1 hour, obtains wet strength agent S1.Wet strength agent S1 is used for manufacturing paper with pulp of page, and specific experiment the results are shown in Table 1.
Embodiment 2
By the Polyamide-Polyamsne-Epichlorohydrin solution of 60 grams, (viscosity is 35mPa s-1, pH is 3.3, and solid content is 21.3
Weight %, density is 1.05g cm3), the polyvinyl alcohol of 40 grams, the Nipagin ester of 70 grams, the potassium titanate crystal whisker (diameter 200 of 20 grams
Nanometer, length 13 microns, tensile strength is 7.5GPa, and elastic modelling quantity is 300GPa), the linolenic acid of 20 weight portions, 10 weight portions
Propylene glycol, the hydroxypropyl methyl cellulose of 8 weight portions and 1000 weight portions water mixing after enter in homogenizer at 80 DEG C
Row homogenizing 5 hours, obtains wet strength agent S2.Wet strength agent S2 is used for manufacturing paper with pulp of page, and specific experiment the results are shown in Table 1.
Embodiment 3
By the Polyamide-Polyamsne-Epichlorohydrin solution of 100 grams, (viscosity is 35mPa s-1, pH is 3.3, and solid content is
21.3 weight %, density is 1.05g cm3), the polyvinyl alcohol of 80 grams, the Nipagin ester of 120 grams, the potassium titanate crystal whisker of 35 grams (straight
Footpath 200 nanometer, length 13 microns, tensile strength is 7.5GPa, and elastic modelling quantity is 300GPa), the linolenic acid of 30 weight portions, 20 weights
At 70 DEG C, in homogenizer, homogenizing 5 is carried out after the water mixing of the amount propylene glycol of part, the chitosan of 12 weight portions and 300 weight portions
Hour, obtain wet strength agent S3.Wet strength agent S3 is used for manufacturing paper with pulp of page, and specific experiment the results are shown in Table 1.
Comparative example 1
Carrying out manufacturing paper with pulp of page, be added without wet strength agent, specific experiment the results are shown in Table 1.
Comparative example 2
Comparative example 2 is substantially the same manner as Example 1, and difference is, is added without polyvinyl alcohol, obtains wet strength agent D1.By wet by force
Agent D1 manufactures paper with pulp for page, and specific experiment the results are shown in Table 1.
Comparative example 3
Comparative example 3 is substantially the same manner as Example 1, and difference is, is added without potassium titanate crystal whisker, obtains wet strength agent D2.By wet
Strong agent D2 manufacturing paper with pulp for page, specific experiment the results are shown in Table 1.
Comparative example 4
Comparative example 4 is substantially the same manner as Example 1, and difference is, is added without linolenic acid, obtains wet strength agent D3.By wet strength agent
D3 manufactures paper with pulp for page, and specific experiment the results are shown in Table 1.
From the results shown in Table 1, the wet strength agent that the present invention provides can maintain paper on the premise of ensureing pliability
The degree of sizing opened, improves surface strength of paper, bursting strength and ring crush intensity and wet strength.
Table 1
Claims (10)
1. the preparation method of a wet strength agent, it is characterised in that the method includes: by the polyamide polyamines ring of 30-100 weight portion
Oxygen chloropropane solution, the polyvinyl alcohol of 40-80 weight portion, the Nipagin ester of 55-120 weight portion, the potassium titanate of 5-35 weight portion
Whisker, the linolenic acid of 10-30 weight portion, the propylene glycol of 10-20 weight portion, the water-soluble cellulose of 2-15 weight portion and 150-
At 50-80 DEG C, in homogenizer, carry out homogenizing 1-5 hour after the water mixing of 1000 weight portions, obtain wet strength agent.
Preparation method the most according to claim 1, it is characterised in that by the polyamide polyamines epoxy chlorine of 50-70 weight portion
Propane solution, the polyvinyl alcohol of 60-80 weight portion, the Nipagin ester of 70-100 weight portion, 10-30 measure part potassium titanate crystal whisker,
The linolenic acid of 20-30 weight portion, the propylene glycol of 15-20 weight portion, the water-soluble cellulose of 6-10 weight portion and 300-800 weight
Described homogenizing is carried out after the water mixing of part.
Preparation method the most according to claim 1, it is characterised in that the viscosity of described Polyamide-Polyamsne-Epichlorohydrin is
15-50mPa·s-1, pH is 3-5, and solid content is 10-30 weight %, and density is 1.01-1.1g cm3。
Preparation method the most according to claim 1, it is characterised in that the diameter 100-500 nanometer of described potassium titanate crystal whisker,
Length 10-15 micron, tensile strength is 6.5-7.5GPa, and elastic modelling quantity is 200-500GPa.
Preparation method the most according to claim 1, it is characterised in that described water-soluble cellulose is chitosan or hydroxypropyl
Methylcellulose.
Preparation method the most according to claim 1, it is characterised in that the condition of described homogenizing is: temperature is 60-70 DEG C,
Homogenizing time is 2-3 hour.
7. a wet strength agent, it is characterised in that described wet strength agent includes the Polyamide-Polyamsne-Epichlorohydrin of 30-100 weight portion
Solution, the polyvinyl alcohol of 40-80 weight portion, the Nipagin ester of 55-120 weight portion, the potassium titanate crystal whisker of 5-35 weight portion, 10-
The linolenic acid of 30 weight portions, the propylene glycol of 10-20 weight portion, the water-soluble cellulose of 2-15 weight portion and 150-1000 weight portion
Water.
Wet strength agent the most according to claim 7, it is characterised in that the viscosity of described Polyamide-Polyamsne-Epichlorohydrin is
15-50mPa·s-1, pH is 3-5, and solid content is 10-30 weight %, and density is 1.01-1.1g cm3。
Wet strength agent the most according to claim 7, it is characterised in that the diameter 100-500 nanometer of described potassium titanate crystal whisker, long
Degree 10-15 micron, tensile strength is 6.5-7.5GPa, and elastic modelling quantity is 200-500GPa.
Wet strength agent the most according to claim 7, it is characterised in that described water-soluble cellulose is chitosan or hydroxypropyl
Methylcellulose.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044071A (en) * | 2017-04-12 | 2017-08-15 | 镇江市天亿化工研究设计院有限公司 | A kind of production method of wet strength agent |
| CN109610227A (en) * | 2018-11-22 | 2019-04-12 | 山东同创精细化工股份有限公司 | A kind of low chlorine ion wet strength agent and preparation method thereof |
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| US20120160437A1 (en) * | 2010-12-22 | 2012-06-28 | Bayer Materialscience Ag | Process for the production of sized and/or wet-strength papers, paperboards and cardboards |
| CN103806330A (en) * | 2012-11-09 | 2014-05-21 | 王慧 | Papermaking enhancing method |
| CN104179074A (en) * | 2013-05-28 | 2014-12-03 | 陈银凤 | Method for producing polyamide resin wet strength agent |
| CN103866631A (en) * | 2014-02-25 | 2014-06-18 | 苏州恒康新材料有限公司 | Wet strength agent rich in fumaric acid and preparation method thereof |
| CN103866638A (en) * | 2014-02-28 | 2014-06-18 | 苏州恒康新材料有限公司 | Environment-friendly wet strength agent and preparation method thereof |
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| CN105568761A (en) * | 2014-10-17 | 2016-05-11 | 东升新材料（山东）有限公司 | Tearing strength reinforcing agent for papermaking and preparation method of tearing strength reinforcing agent |
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