CN113718550B - Rosin sizing agent and preparation method thereof - Google Patents
Rosin sizing agent and preparation method thereof Download PDFInfo
- Publication number
- CN113718550B CN113718550B CN202110984745.6A CN202110984745A CN113718550B CN 113718550 B CN113718550 B CN 113718550B CN 202110984745 A CN202110984745 A CN 202110984745A CN 113718550 B CN113718550 B CN 113718550B
- Authority
- CN
- China
- Prior art keywords
- parts
- rosin
- sizing agent
- stirring
- modified
- 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
Classifications
-
- 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
-
- 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
- D21H17/07—Nitrogen-containing 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
- 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
- D21H17/13—Silicon-containing 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
- 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
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/53—Polyethers; Polyesters
-
- 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
- D21H17/62—Rosin; 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
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/69—Water-insoluble compounds, e.g. fillers, pigments modified, e.g. by association with other compositions prior to incorporation in the pulp or paper
-
- 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
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
-
- 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
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/24—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Abstract
The invention provides a rosin sizing agent and a preparation method thereof, wherein the raw material formula comprises the following components in parts by weight: 20-40 parts of cationic rosin size; 8-12 parts of reinforced rosin size; 5-15 parts of modified talcum powder; 10-20 parts of cyclodextrin; 10-18 parts of hexadecyl trimethyl ammonium chloride; 3-6 parts of polyglycerol alkyl ether; 3-5 parts of chitosan; 2-5 parts of 3-aminopropyltrimethoxysilane. The invention has the technical effects that: the rosin sizing agent prepared by the formula and the preparation process has high adhesion rate, high oil resistance and high stability.
Description
Technical Field
The invention belongs to the technical field of rosin size and preparation processes, and particularly relates to a rosin sizing agent and a preparation method thereof.
Background
Sizing agents are classified into two major types, rosin type and non-rosin type. Rosin sizing agent uses rosin as main body, mainly including rosin size, reinforced rosin size, paraffin rosin size and dispersed rosin size, etc. due to different glue-making processes and methods, rosin size is divided into brown rosin size, white rosin size and high-freeness rosin size. The non-rosin sizing agent mainly comprises paraffin latex, sodium stearate, polyvinyl alcohol, carboxymethyl cellulose, animal gum, casein, starch, synthetic gum and the like. Rosin sizing agents are mainly used for internal sizing, non-rosin sizing agents are mostly used for surface sizing, and paper or paperboard with special requirements also uses the non-rosin sizing agents as internal sizing agents.
Sizing refers to a method of treating paper or board. The purpose of sizing paper is to impart the paper with resistance to fluid penetration. Almost all papers, except a few specialty papers, require different degrees of sizing.
In the prior art, in the process of sizing, aluminum sulfate is often added in order to increase the adhesion effect of the sizing agent on paper, but the addition of aluminum sulfate is also easy to cause corrosion to papermaking equipment, generate dirt, foam and other influences, the domestic papermaking industry does a lot of work for realizing neutral and alkaline sizing, and the development of the variety of the sizing agent is greatly improved, but the problems of poor sizing performance, such as low adhesion rate, poor stability, poor water resistance and oil resistance, and the like still exist at present.
The invention is provided in view of the above.
Disclosure of Invention
The invention aims to provide a rosin sizing agent and a preparation method thereof, which aim to solve the problems in the prior art.
In order to achieve the purpose, the invention adopts the following technical means:
the rosin sizing agent comprises the following raw materials in parts by weight:
20-40 parts of cationic rosin size; 8-12 parts of reinforced rosin size; 5-15 parts of modified talcum powder; 10-20 parts of cyclodextrin; 10-18 parts of hexadecyl trimethyl ammonium chloride; 3-6 parts of polyglycerol alkyl ether; 3-5 parts of chitosan; 2-5 parts of propyl trimethoxy silane.
In some embodiments, a rosin sizing agent is prepared from a raw material formula comprising the following components in parts by weight:
30-40 parts of cationic rosin size; 8-10 parts of reinforced rosin size; 5-10 parts of modified talcum powder; 15-20 parts of cyclodextrin; 10-15 parts of hexadecyl trimethyl ammonium chloride; 3-4 parts of polyglycerol alkyl ether; 3-5 parts of chitosan; 2-4 parts of 3-aminopropyltrimethoxysilane.
In some embodiments, the weight ratio of cetyltrimethylammonium chloride to polyglycerol alkyl ether is 3-4: 1.
in some embodiments, the present invention also provides a method of preparing a rosin sizing agent, the method comprising the steps of:
a1, heating and melting cationic rosin, adding the cationic rosin into a cyclodextrin water solution, and stirring for 20 minutes;
a2, adding chitosan, and stirring for 10 minutes;
a3, adding modified talcum powder, hexadecyl trimethyl ammonium chloride and polyglycerol alkyl ether, stirring for 10 minutes at the temperature of 50-70 ℃, and stirring until no precipitate is formed to obtain a rosin sizing agent;
a4, heating and melting the reinforced rosin size, adding an esterifying agent in batches, reacting for 1-5 hours at the reaction temperature of 70-120 ℃, and discharging to obtain a rosin-based surfactant;
a5, adding the rosin sizing agent prepared in the step A3 into a heating kettle, heating to 60-90 ℃, stirring for 1-4 hours, adding 3-aminopropyl trimethoxy silane and the rosin-based surfactant prepared in the step A4, continuously stirring for 1-5 hours, and discharging to obtain the modified rosin sizing agent.
In some embodiments, in step a3, the modified talc is selected from talc modified with a surface modifier which is a mixture of polyacrylic acid and sodium silicate.
In some embodiments, the weight ratio of polyacrylic acid to sodium silicate is: 2-3:1.
In some embodiments, in step a3, the step of modifying the talc powder with a surface modifier comprises: a. dissolving polyacrylic acid in an organic solvent to prepare a feed liquid 1; as feed solution 1; b. dissolving sodium silicate in water to obtain a feed liquid 2; c. placing talcum powder in a fluidized bed reactor, vacuumizing, and introducing nitrogen to keep talcum powder particles in a suspension state; d. and (3) starting a sample injection pump 2, introducing the feeding liquid 2 into the fluidized bed reactor, spraying for a period of time, starting the sample injection pump 1, introducing the feeding liquid 1 into the fluidized bed reactor, spraying the feeding liquid 1 and the feeding liquid 2 simultaneously, transferring into a drying device until the spraying is finished, and drying to obtain the modified talcum powder. The modified talcum powder prepared by the preparation process has better bonding force and better fluidity, and is beneficial to mixing with other fillers.
In some embodiments, the feed rate of feed liquid 2 is V2, the feed rate of feed liquid 1 is V1, and V2> V1.
In some embodiments, feed rate of feed liquid 2 is from 1.5 to 2.0g/min and feed rate of feed liquid 1 is from 3.5 to 4 g/min.
In some embodiments, the organic solvent is a low boiling point organic solvent.
In some embodiments, the low boiling organic solvent is any one of n-butanol, n-pentanol, n-hexanol, or n-octanol.
In some embodiments, in step A4, the esterification agent is added in portions, each time interval being 20 to 30 min.
In some embodiments, the esterification agent is a polyol.
In some embodiments, in the step A4, the reaction temperature is 80-100 ℃ and the reaction time is 1-2 h.
In some embodiments, in the step a5, the rosin sizing agent prepared in the step A3 is added into a heating kettle, the temperature is raised to 60-90 ℃, the stirring is carried out for 1-2 hours, then 3-aminopropyltrimethoxysilane and the rosin-based surfactant prepared in the step a4 are added, the stirring is continuously carried out for 2-4 hours, and the modified rosin sizing agent is obtained after discharging.
The invention has the beneficial effects that:
1. the cyclodextrin and the chitosan are added in the gluing process, so that the dryness of the rosin size after film coating can be improved, and the water resistance, the oil resistance and the stability can be improved.
2. According to the invention, aluminum sulfate is reduced in the sizing agent, modified talcum powder is added, lipophilicity is increased, rosin size is adsorbed on paper pulp fiber, and the adhesion performance of the rosin size on paper is further provided.
3. In the preparation process of the sizing agent, cationic surfactant cetyl trimethyl ammonium chloride and anionic surfactant polyglycerol alkyl ether are added as surfactants, and the cationic surfactant and the anionic surfactant are mixed to ensure that ions are tightly connected during mixing and stirring, so that strong interaction is easily generated between hydrocarbon chains, namely, the hydrophobic binding force between the hydrocarbon chains is enhanced, the repulsion tendency between ionic groups is greatly weakened by the chemical bond force, the surface activity is high, the agglomeration is avoided, and the dispersibility is improved.
4. According to the invention, 3-aminopropyl trimethoxy silane and rosin-based surfactant are added into rosin size, so that the compatibility of the rosin size with filler and polar resin is obviously improved. Meanwhile, the rosin sizing agent has coupling property, has the properties of low viscosity, high softening point and the like, has good thermal stability, low high-temperature volatility, excellent filler dispersibility, excellent external lubricity and strong internal lubrication effect, can improve the production efficiency of rosin sizing processing, and reduces the production cost.
Detailed Description
The present invention is described in detail below with reference to examples, but the following examples should not be construed as limiting the scope of the present invention.
Example 1
A rosin sizing agent and a preparation method thereof, wherein the raw material formula comprises the following components in parts by weight:
30 parts of cationic rosin size; 10 parts of reinforced rosin size; 10 parts of modified talcum powder; 15 parts of cyclodextrin; 15 parts of hexadecyl trimethyl ammonium chloride; 5 parts of polyglycerol alkyl ether; 4 parts of chitosan; 4 parts of 3-aminopropyltrimethoxysilane.
The preparation method comprises the following steps:
a1, heating and melting cationic rosin, adding the cationic rosin into a cyclodextrin water solution, and stirring for 20 minutes;
a2, adding chitosan, stirring for 10 minutes at 50 ℃;
a3, adding modified talcum powder, hexadecyl trimethyl ammonium chloride and polyglycerol alkyl ether, stirring for 10 minutes at 50 ℃, and stirring until no precipitate is formed to obtain a rosin sizing agent;
a4, heating and melting the reinforced rosin size, and adding trimethylolpropane in batches, wherein the time interval of each time is 20 min. Then reacting for 1h at the temperature of 80-100 ℃, and discharging to obtain a rosin-based surfactant;
a5, adding the rosin sizing agent prepared in the step A3 into a heating kettle, heating to 60-90 ℃, stirring for 2 hours, adding 3-aminopropyl trimethoxy silane and the rosin-based surfactant prepared in the step A4, continuously stirring for 2 hours, and discharging to obtain the modified rosin sizing agent.
Wherein the modified talcum powder is selected from talcum powder modified by a surface modifier, and the weight ratio of the surface modifier to the talcum powder is as follows: 10:1, wherein the weight ratio of the surface modifier is as follows: 2:1 mixture of polyacrylic acid and sodium silicate. The preparation method of the modified talcum powder comprises the following steps: a. dissolving 10g of polyacrylic acid in 30ml of n-butanol to prepare a feed solution 1; as feed solution 1; b. 5g of sodium silicate was dissolved in 25ml of water as feed solution 2; c. placing talcum powder in a fluidized bed reactor, vacuumizing, and introducing nitrogen to keep talcum powder particles in a suspension state; d. firstly, feeding the feed liquid 2 into the fluidized bed reactor at the speed of 1.5g/min, spraying for a period of time, then feeding the feed liquid 1 into the fluidized bed reactor at the speed of 3.5g/min, and at the moment, simultaneously spraying the feed liquid 1 and the feed liquid 2 until the spraying is finished; and transferring the mixture into a drying device for drying treatment to obtain the modified talcum powder.
1g of the sizing agent prepared in the embodiment is used for sizing, and the adhesive rate of the sizing agent reaches 75%.
Example 2
A rosin sizing agent and a preparation method thereof, wherein the raw material formula comprises the following components in parts by weight:
35 parts of cationic rosin size; 12 parts of reinforced rosin size; 15 parts of modified talcum powder; 18 parts of cyclodextrin; 12 parts of hexadecyl trimethyl ammonium chloride; 4 parts of polyglycerol alkyl ether; 5 parts of chitosan; 5 parts of 3-aminopropyltrimethoxysilane.
The preparation method comprises the following steps:
a1, heating and melting cationic rosin, adding the cationic rosin into a cyclodextrin water solution, and stirring for 20 minutes;
a2, adding chitosan, stirring for 10 minutes at 50 ℃;
a3, adding modified talcum powder, hexadecyl trimethyl ammonium chloride and polyglycerol alkyl ether, stirring for 10 minutes at 70 ℃, and stirring until no precipitate is formed to obtain a rosin sizing agent;
a4, heating and melting the reinforced rosin size, and adding trimethylolpropane in batches, wherein the time interval of each time is 25 min. Then reacting for 2 hours at the temperature of 80-100 ℃, and discharging to obtain a rosin-based surfactant;
a5, adding the rosin sizing agent prepared in the step A3 into a heating kettle, heating to 60-90 ℃, stirring for 1.5 hours, adding 3-aminopropyl trimethoxy silane and the rosin-based surfactant prepared in the step A4, continuously stirring for 3 hours, and discharging to obtain the modified rosin sizing agent.
Wherein the modified talcum powder is selected from talcum powder modified by a surface modifier, and the weight ratio of the surface modifier to the talcum powder is as follows: 12:1, wherein the weight ratio of the surface modifier is as follows: 2:1 mixture of polyacrylic acid and sodium silicate. The preparation method of the modified talcum powder comprises the following steps: a. dissolving 10g of polyacrylic acid in 30ml of n-butanol to prepare a feed solution 1; as feed solution 1; b. 5g of sodium silicate was dissolved in 25ml of water as feed solution 2; c. placing talcum powder in a fluidized bed reactor, vacuumizing, and introducing nitrogen to keep talcum powder particles in a suspension state; d. firstly, feeding the feed liquid 2 into the fluidized bed reactor at the speed of 2/min, spraying for a period of time, then feeding the feed liquid 1 into the fluidized bed reactor at the speed of 4g/min, and at the moment, simultaneously spraying the feed liquid 1 and the feed liquid 2 until the spraying is finished; and transferring the mixture into a drying device for drying treatment to obtain the modified talcum powder.
1g of the sizing agent prepared in the embodiment is used for sizing, and the adhesive rate of the sizing agent reaches 78%.
Example 3
A rosin sizing agent and a preparation method thereof, wherein the raw material formula comprises the following components in parts by weight:
40 parts of cationic rosin size; 12 parts of reinforced rosin size; 15 parts of modified talcum powder; 20 parts of cyclodextrin; 18 parts of hexadecyl trimethyl ammonium chloride; 6 parts of polyglycerol alkyl ether; 5 parts of chitosan; 5 parts of 3-aminopropyltrimethoxysilane.
The preparation method comprises the following steps:
a1, heating and melting cationic rosin, adding the cationic rosin into a cyclodextrin water solution, and stirring for 20 minutes;
a2, adding chitosan, stirring for 10 minutes at 50 ℃;
a3, adding modified talcum powder, hexadecyl trimethyl ammonium chloride and polyglycerol alkyl ether, stirring for 10 minutes at 70 ℃, and stirring until no precipitate is formed to obtain a rosin sizing agent;
a4, heating and melting the reinforced rosin size, and adding trimethylolpropane in batches, wherein the time interval of each time is 30 min. Then reacting for 2 hours at the temperature of 80-100 ℃, and discharging to obtain a rosin-based surfactant;
a5, adding the rosin sizing agent prepared in the step A3 into a heating kettle, heating to 60-90 ℃, stirring for 1h, adding 3-aminopropyl trimethoxy silane and the rosin-based surfactant prepared in the step A4, continuously stirring for 4h, and discharging to obtain the modified rosin sizing agent.
Wherein the modified talcum powder is selected from talcum powder modified by a surface modifier, and the weight ratio of the surface modifier to the talcum powder is as follows: 10:1, wherein the weight ratio of the surface modifier is as follows: 3:1 mixture of polyacrylic acid and sodium silicate. The preparation method of the modified talcum powder comprises the following steps: a. dissolving 10g of polyacrylic acid in 30ml of n-butanol to prepare a feed solution 1; as feed solution 1; b. 5g of sodium silicate was dissolved in 25ml of water as feed solution 2; c. placing talcum powder in a fluidized bed reactor, vacuumizing, and introducing nitrogen to keep talcum powder particles in a suspension state; d. adding the feed liquid 2 into the fluidized bed reactor at the speed of 2/min, spraying for a period of time, and then adding the feed liquid 1 into the fluidized bed reactor at the speed of 3.5g/min, wherein the feed liquid 1 and the feed liquid 2 are sprayed simultaneously until the spraying is finished; and transferring the mixture into a drying device for drying treatment to obtain the modified talcum powder.
1g of the sizing agent prepared in the embodiment is used for sizing, and the adhesive rate of the sizing agent reaches 78%.
Example 4
A rosin sizing agent and a preparation method thereof, wherein the raw material formula comprises the following components in parts by weight:
25 parts of cationic rosin size; 8 parts of reinforced rosin size; 10 parts of modified talcum powder; 15 parts of cyclodextrin; 16 parts of hexadecyl trimethyl ammonium chloride; 4 parts of polyglycerol alkyl ether; 4 parts of chitosan; 4 parts of 3-aminopropyltrimethoxysilane.
The preparation method comprises the following steps:
a1, heating and melting cationic rosin, adding the cationic rosin into a cyclodextrin water solution, and stirring for 20 minutes;
a2, adding chitosan, stirring for 10 minutes at 50 ℃;
a3, adding modified talcum powder, hexadecyl trimethyl ammonium chloride and polyglycerol alkyl ether, stirring for 10 minutes at 70 ℃, and stirring until no precipitate is formed to obtain a rosin sizing agent;
a4, heating and melting the reinforced rosin size, and adding pentaerythritol in batches, wherein the time interval is 20min each time. Then reacting for 1.5h at the temperature of 80-100 ℃, and discharging to obtain a rosin-based surfactant;
a5, adding the rosin sizing agent prepared in the step A3 into a heating kettle, heating to 60-90 ℃, stirring for 2 hours, adding 3-aminopropyl trimethoxy silane and the rosin-based surfactant prepared in the step A4, continuously stirring for 3 hours, and discharging to obtain the modified rosin sizing agent.
Wherein the modified talcum powder is selected from talcum powder modified by a surface modifier, and the weight ratio of the surface modifier to the talcum powder is as follows: 15:1, wherein the weight ratio of the surface modifier is as follows: 2:1 mixture of polyacrylic acid and sodium silicate. The preparation method of the modified talcum powder comprises the following steps: a. dissolving 10g of polyacrylic acid in 30ml of n-butanol to prepare a feed solution 1; as feed solution 1; b. 5g of sodium silicate was dissolved in 25ml of water as feed solution 2; c. placing talcum powder in a fluidized bed reactor, vacuumizing, and introducing nitrogen to keep talcum powder particles in a suspension state; d. adding the feed liquid 2 into the fluidized bed reactor at the speed of 1.5/min, spraying for a period of time, adding the feed liquid 1 into the fluidized bed reactor at the speed of 3.5g/min, and spraying the feed liquid 1 and the feed liquid 2 at the same time until the spraying is finished; and transferring the mixture into a drying device for drying treatment to obtain the modified talcum powder.
1g of the sizing agent prepared in the embodiment is used for sizing, and the adhesive rate of the sizing agent reaches 79 percent.
Comparative example 1
A rosin sizing agent and a preparation method thereof are different from the rosin sizing agent in the embodiment 1 in that unmodified talcum powder is adopted, and other components and the preparation method are the same as the rosin sizing agent in the embodiment 1.
1g of the sizing agent prepared by the comparative example is used for sizing, and the adhesive rate of the sizing material reaches 57 percent.
Comparative example 2
40 parts of cationic rosin size; 12 parts of reinforced rosin size; 15 parts of modified talcum powder; 20 parts of cyclodextrin; 18 parts of hexadecyl trimethyl ammonium chloride; 2 parts of polyglycerol alkyl ether; 5 parts of chitosan; 5 parts of 3-aminopropyltrimethoxysilane.
The preparation method of the rosin sizing agent is the same as that of example 1.
1g of the sizing agent prepared by the comparative example is used for sizing, and the adhesive rate of the sizing material reaches 70 percent.
Comparative example 3
A rosin sizing agent and a preparation method thereof, wherein the raw material formula comprises the following components in parts by weight:
30 parts of cationic rosin size; 10 parts of modified talcum powder; 15 parts of cyclodextrin; 15 parts of hexadecyl trimethyl ammonium chloride; 5 parts of polyglycerol alkyl ether; 4 parts of chitosan.
The preparation method comprises the following steps:
a1, heating and melting cationic rosin, adding the cationic rosin into a cyclodextrin water solution, and stirring for 20 minutes;
a2, adding chitosan, stirring for 10 minutes at 50 ℃;
a3, adding modified talcum powder, hexadecyl trimethyl ammonium chloride and polyglycerol alkyl ether, stirring for 10 minutes at 50 ℃, and stirring until no precipitate is formed to obtain the rosin sizing agent.
Wherein the modified talcum powder is selected from talcum powder modified by a surface modifier, and the weight ratio of the surface modifier to the talcum powder is as follows: 10:1, wherein the weight ratio of the surface modifier is as follows: 2:1 mixture of polyacrylic acid and sodium silicate. The preparation method of the modified talcum powder comprises the following steps: a. dissolving 10g of polyacrylic acid in 30ml of n-butanol to prepare a feed solution 1; as feed solution 1; b. 5g of sodium silicate was dissolved in 25ml of water as feed solution 2; c. placing talcum powder in a fluidized bed reactor, vacuumizing, and introducing nitrogen to keep talcum powder particles in a suspension state; d. firstly, feeding the feed liquid 2 into the fluidized bed reactor at the speed of 1.5g/min, spraying for a period of time, then feeding the feed liquid 1 into the fluidized bed reactor at the speed of 3.5g/min, and at the moment, simultaneously spraying the feed liquid 1 and the feed liquid 2 until the spraying is finished; and transferring the mixture into a drying device for drying treatment to obtain the modified talcum powder.
1g of the sizing agent prepared by the comparative example is used for sizing, and the adhesive rate of the sizing material reaches 65 percent.
Test method
Making a paper sample: taking broad-leaved pulp with the mass fraction of 10%, respectively adding the sizing agents with the mass fraction of 1% in the examples 1-4 and the comparative examples 1-2, stirring uniformly, and then making paper to obtain paper with the basis weight of 35g/m2And drying, curing, and cooling to room temperature to obtain a papermaking sample.
1. Stability test
Whether or not delamination occurred was observed by centrifuging examples 1 to 4 and comparative examples 1 to 3 at 3500rpm for 1 hour in a centrifuge. The presence of a delamination is noted as present and the absence of a delamination is noted as absent.
2. Oil repellency
Tests and ratings were performed according to TAPPI-T559.
The test results are listed in table 1 below.
TABLE 1
| Group of | Stability of | Oil repellency |
| Example 1 | Is free of | Stage 8 |
| Example 2 | Is free of | Stage 8 |
| Example 3 | Is free of | Grade 9 |
| Example 4 | Is free of | Stage 8 |
| Comparative example 1 | Is free of | Stage 7 |
| Comparative example 2 | Is free of | Stage 7 |
| Comparative example 3 | Is free of | Grade 6 |
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention in any way, and any person skilled in the art can make any simple modification, equivalent replacement, and improvement on the above embodiment without departing from the technical spirit of the present invention, and still fall within the protection scope of the technical solution of the present invention.
Claims (8)
1. A rosin sizing agent, which is characterized in that: the raw material formula comprises the following components in parts by weight: 20-40 parts of cationic rosin size; 8-12 parts of reinforced rosin size; 5-15 parts of modified talcum powder; 10-20 parts of cyclodextrin; 10-18 parts of hexadecyl trimethyl ammonium chloride; 3-6 parts of polyglycerol alkyl ether; 3-5 parts of chitosan; 2-5 parts of 3-aminopropyltrimethoxysilane; the preparation method of the rosin sizing agent comprises the following steps:
a1, heating and melting cationic rosin, adding the cationic rosin into a cyclodextrin water solution, and stirring for 20 minutes;
a2, adding chitosan, and stirring for 10 minutes;
a3, adding modified talcum powder, hexadecyl trimethyl ammonium chloride and polyglycerol alkyl ether, stirring for 10 minutes at the temperature of 50-70 ℃, and stirring until no precipitate is formed to obtain a rosin sizing agent;
a4, heating and melting the reinforced rosin size, adding an esterifying agent in batches, reacting for 1-5 hours at the reaction temperature of 70-120 ℃, and discharging to obtain a rosin-based surfactant;
a5, adding the rosin sizing agent prepared in the step A3 into a heating kettle, heating to 60-90 ℃, stirring for 1-4 hours, adding 3-aminopropyl trimethoxy silane and the rosin-based surfactant prepared in the step A4, continuously stirring for 1-5 hours, and discharging to obtain the modified rosin sizing agent.
2. A rosin sizing agent according to claim 1, wherein: the raw material formula comprises the following components in parts by weight: 30-40 parts of cationic rosin size; 8-10 parts of reinforced rosin size; 5-10 parts of modified talcum powder; 15-20 parts of cyclodextrin; 10-15 parts of hexadecyl trimethyl ammonium chloride; 3-4 parts of polyglycerol alkyl ether; 3-5 parts of chitosan; 2-4 parts of 3-aminopropyltrimethoxysilane.
3. A sizing agent according to claim 1, characterised in that: the weight ratio of the hexadecyl trimethyl ammonium chloride to the polyglycerol alkyl ether is 3-4: 1.
4. a rosin sizing agent according to claim 1, wherein: in step a3, the modified talc is selected from talc modified with a surface modifier, which is a mixture of polyacrylic acid and sodium silicate.
5. A rosin sizing agent according to claim 4, wherein: the weight ratio of the polyacrylic acid to the sodium silicate is as follows: 2-3:1.
6. A rosin sizing agent according to any one of claims 1 to 5, characterized in that: in the step A4, the esterifying agent is added in batches, and the time interval of each time is 20-30 min.
7. A rosin sizing agent according to claim 1, wherein: in the step A4, the reaction temperature is 80-100 ℃, and the reaction time is 1-2 h.
8. A rosin sizing agent according to claim 1, wherein: and step A5, adding the rosin sizing agent prepared in the step A3 into a heating kettle, heating to 60-90 ℃, stirring for 1-2 hours, adding 3-aminopropyl trimethoxy silane and the rosin-based surfactant prepared in the step A4, continuously stirring for 2-4 hours, and discharging to obtain the modified rosin sizing agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110984745.6A CN113718550B (en) | 2021-08-26 | 2021-08-26 | Rosin sizing agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110984745.6A CN113718550B (en) | 2021-08-26 | 2021-08-26 | Rosin sizing agent and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113718550A CN113718550A (en) | 2021-11-30 |
| CN113718550B true CN113718550B (en) | 2022-04-22 |
Family
ID=78677973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110984745.6A Active CN113718550B (en) | 2021-08-26 | 2021-08-26 | Rosin sizing agent and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113718550B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114573755B (en) * | 2022-05-05 | 2022-07-29 | 山东奥赛新材料有限公司 | Preparation method of cationic emulsifier for rosin size |
| CN115216234A (en) * | 2022-08-26 | 2022-10-21 | 广东粤辉科技股份有限公司 | Traceable adhesive tape for battery and preparation method thereof |
| CN115260905A (en) * | 2022-08-31 | 2022-11-01 | 华南理工大学 | Starch-based degradable waterproof and oilproof coating as well as preparation method and application thereof |
| CN117535017B (en) * | 2023-11-09 | 2024-06-18 | 东莞市溢彩科技有限公司 | Vehicle-mounted explosion-proof membrane with optical phase difference and preparation method thereof |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992017645A1 (en) * | 1991-04-05 | 1992-10-15 | Arakawa Chemical Industries Ltd. | Rosin emulsion size for papermaking and process for sizing paper |
| JP3744566B2 (en) * | 1995-04-03 | 2006-02-15 | 荒川化学工業株式会社 | Rosin emulsion sizing agent for papermaking and paper sizing method |
| CN100336974C (en) * | 2005-06-16 | 2007-09-12 | 陕西科技大学 | Modifying method using talcum powder as paper filler and adhesive-applying agent |
| CN101255668B (en) * | 2008-04-09 | 2010-12-22 | 广西壮族自治区化工研究院 | High stability cation dispersion rosin size and manufacture method thereof |
| CN103410051A (en) * | 2013-07-09 | 2013-11-27 | 上海东升新材料有限公司 | Surface sizing agent emulsion and preparation method for same |
| CN107558299A (en) * | 2016-01-15 | 2018-01-09 | 余晓飞 | High-durability sizing agent |
| CN106758498B (en) * | 2016-12-21 | 2018-02-13 | 南昌市龙然实业有限公司 | Water resistant oil resistant Cationic dispersed rosin size |
| CN109957994A (en) * | 2017-12-14 | 2019-07-02 | 上海东升新材料有限公司 | A kind of environment-friendly type dispersion rosin size and preparation method thereof |
| CN109957995A (en) * | 2017-12-14 | 2019-07-02 | 上海东升新材料有限公司 | A kind of cationic rosin size and preparation method thereof using the preparation of Shuangzi emulsifier |
-
2021
- 2021-08-26 CN CN202110984745.6A patent/CN113718550B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN113718550A (en) | 2021-11-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113718550B (en) | Rosin sizing agent and preparation method thereof | |
| CN110744859A (en) | Preparation method of compression-resistant flame-retardant carton | |
| CN102898975A (en) | Tile mounting glue and preparation method thereof | |
| CN102898643A (en) | Preparation method of modified polyarylether (PAE) resin | |
| CN110804286B (en) | Process for preparing flame-retardant composite material by coating ammonium polyphosphate with starch | |
| CN106283869B (en) | A kind of preparation of the compound glue system of new organic/inorganic | |
| CN104231451A (en) | Stretch-proof wear-resistant oil-resistant modified cable material and preparation method thereof | |
| CN111662575A (en) | Modified bentonite for plastics and paint | |
| CN110305563A (en) | A kind of preparation method of antibacterial anticorrosion waterborne epoxy coatings | |
| CA1081879A (en) | Aqueous resole resin solutions having dispersed inert salts | |
| CN102995493B (en) | Filter paper for elevator filter and preparation method of filter paper | |
| CN105568761A (en) | Tearing strength reinforcing agent for papermaking and preparation method of tearing strength reinforcing agent | |
| CN101974290B (en) | Transparent flame-retardant organic silicon coating solution and preparation method thereof | |
| US4452934A (en) | Aminoplast resin compositions | |
| CN111690271A (en) | Preparation method of antibacterial high-dispersion talcum powder | |
| CN109162144B (en) | Preparation method and application of paper and paper product wet strength synergist | |
| CN116376485A (en) | Environment-friendly flame-retardant adhesive, preparation method thereof and application thereof in plywood | |
| CN107443534B (en) | High-density board and preparation method thereof | |
| CN109880546A (en) | Barium sulfate filler slurry of polymolecularity applied to copper-clad plate and preparation method thereof | |
| CN110205865A (en) | A kind of preparation method of tensile type hydrophobic paper | |
| CN108611920B (en) | Preparation method of reinforcing agent for inorganic fibers for pulping and papermaking | |
| CN104452444B (en) | Add pitch trouble thing controlling agent of modified Nano microcrystalline Cellulose and preparation method thereof | |
| CN1519289A (en) | Agglomerant produced from konjak and praparation technique | |
| CN106381031A (en) | Three-proofing lacquer for high-temperature-resistant printed circuit board and preparation method thereof | |
| CN108676386B (en) | Low-viscosity calcined kaolin, low-viscosity calcined kaolin slurry and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A rosin sizing agent and its preparation method Effective date of registration: 20230705 Granted publication date: 20220422 Pledgee: Zhejiang Tailong commercial bank Quzhou branch of Limited by Share Ltd. Pledgor: ZHEJIANG BEST CHEMICAL Co.,Ltd. Registration number: Y2023980047501 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |