CN104860551B - Preparation method of chitosan modified starch impregnating compound - Google Patents
Preparation method of chitosan modified starch impregnating compound Download PDFInfo
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Abstract
The invention discloses a preparation method of chitosan modified starch impregnating compound. The preparation method is characterized in that the preparation method comprises the following steps: taking 9-18 parts by mass of raw starch to a reaction container, and adding 300 parts by mass of water; stirring and raising temperature to 90 DEG C; pasting for 1 hour and obtaining starch paste; taking 1-3 parts by mass of chitosan in the starch paste, and orderly adding 0.1-0.6 parts by mass of cross-linking agent, 0.1-0.6 parts by weight of plasticizer, 0.2 parts by weight of polyving akohol, 0.2 parts by weight of sodium sulfate and 0.1 parts by weight of Twain 60 under the condition of stirring, and obtaining a mixture; reacting the mixture at 90 DEG C for 1-5 hours, cooling to room temperature, and placing for 2 hours; defoaming, and obtaining the chitosan modified starch impregnating compound. By adopting the preparation method of the chitosan modified starch impregnating compound, the technique is simple and cost is low; the product can be directly applied to wiredrawing production of glass fiber tank furnace, glass fiber textile processing, and other domains; the using effect is good.
Description
Technical field
The invention belongs to the preparation of the size used in glass fibre processing, is related to a kind of chitin modified starch type leaching
The preparation method of profit agent.The chitin modified starch type size prepared using the present invention is particularly well-suited to glass fibre tank furnace and is drawn
In silk production, and glass fiber textile processing and other fields.
Background technology
Glass fibre is a kind of Inorganic Non-metallic Materials of excellent performance, and species is various, excellent performance.Due to glass fibre
It is that a kind of surface is smooth and matter is crisp, not rub resistance material, needs coat when glass fiber wire-drawing shapes and lubricate and bonding
The diaphragm of effect, i.e. size, to meet the needs of wire drawing and rear road textile manufacturing, and the technique for finally meeting reinforcing material
Require the needs with mechanical property.Coating the method for size is：In production, Jing lubrication grooves or single filament oiling equipment equably will leachings
Profit agent be coated on the surface of glass fibre, then be coated with size glass fibre places naturally drying or drying, glass
Fiber surface size goes water to be dried and the film forming that bonds.
The existing glass fiber infiltration agent for textile fabric typically has paraffin wax type and adhesive type.Paraffin wax type infiltrates boundling
Agent has stimulation to human body skin due to the color fixing agent used in it, prepares complicated, plus the defect such as desizing difficulty, and it is using being subject to
Limit.With the development of pool kiln wiredrawing technology, modified starch type size has obtained good development and application, prior art
In, mainly have enzymolysis modified, etherification modified, esterification modification, cation modifying etc. to size starch conversion, its middle-jiao yang, function of the spleen and stomach from
Sub- modified starch is the focus studied in the last few years, and this is because fiberglass surfacing is in negative charge characteristic, cation-modified shallow lake
Powder is in positive charge characteristic, and cationic modified starch type size can have preferably viscous using electric charge affinity interaction and glass fibre
Attached property and compatibility；At present the cationic modified starch technical matters of comparative maturity is：First ative starch is digested with isoamylase
Enzymatic starch is obtained, the cationics such as 3- chlorine 2- hydroxypropyl ammonium chlorides are recycled, it is anti-with enzymatic starch in the presence of catalyst
Cationic modified starch should be generated, the cationic modified starch that this method is prepared has been obtained necessarily in glass fibre size
Application, but, also there is the defects such as complicated process of preparation, high cost, stability difference in the method.
In prior art, there is not yet chitin modified starch type size is for glass fibre tank furnace wire drawing production, and
The document report of the aspects such as glass fiber textile processing.
The content of the invention
The purpose of the present invention is intended to overcome deficiency of the prior art, there is provided a kind of chitin modified starch type size
Preparation method.The present invention with ative starch as raw material, shitosan as modifying agent, the size for preparing can effectively make up starch type
Size spins with the shortcomings of glass surface adhesion is weak, film forming is poor in glass fibre tank furnace wire drawing production, and glass fibre
Knitting processing and other fields has good application prospect.
Present disclosure is：A kind of preparation method of chitin modified starch type size, is characterized in that step is as follows：
A, the ative starch for taking 9～18 mass parts are put in reaction vessel, add 300 mass parts water, under stirring, are warming up to
90 DEG C, gelatinization reaction 1 hour obtains gelatinized corn starch；
B, the shitosan for taking 1～3 mass parts are added in gelatinized corn starch, and (preferably slow) are under agitation successively added
The crosslinking agent of 0.1～0.6 mass parts, the plasticizer of 0.1～0.6 mass parts, the polyvinyl alcohol of 0.2 mass parts, 0.2 mass parts
The polysorbate60 of sodium sulphate and 0.1 mass parts, obtains mixed material；
C, mixed material is reacted 1～5 hour at a temperature of 90 DEG C, be cooled to room temperature, stand 2 hours, deaeration is (i.e.：
Be that size, solution carry out deaeration process to material after standing using vacuum degasing machine, to remove size in the bubble that contains,
Ensure that subsequent spinning process can be normally carried out, be prior art means), that is, chitin modified starch type size is obtained.
In present disclosure：Step b could alternatively be：Take chitosan solution, be added in gelatinized corn starch, and stirring
Mix down crosslinking agent, the plasticizer of 0.1～0.6 mass parts, 0.2 matter of 0.1～0.6 mass parts of (preferably slow) addition successively
Polyvinyl alcohol (product type of the polyvinyl alcohol preferably PVA1799, molecular weight ranges 50000～100000, product of amount part
There are Chengdu Ke Long chemical reagents factory etc., or other existing products in manufacturing enterprise), the sodium sulphate of 0.2 mass parts and
The polysorbate60 of 0.1 mass parts, obtains mixed material；
Described chitosan solution is 1～3 mass parts shitosan and ice that 100 mass parts mass percent concentrations are 3%
The solution that aqueous acetic acid is hybridly prepared into is (i.e.：Described chitosan solution is dissolved in 100 mass for 1～3 mass parts shitosan
Part mass percent concentration be 3% glacial acetic acid aqueous solution in the solution that is made into).
In present disclosure：Ative starch described in step a can be cornstarch, pea starch, farina, wood
One or more kinds of mixtures in sweet potato starch and starch from sweet potato.
In present disclosure：Crosslinking agent described in step b can be the glutaraldehyde that mass percent concentration is 50%
The glyoxal water solution that the aqueous solution, mass percent concentration are 50% formalin or mass percent concentration is 50%.
In present disclosure：Plasticizer described in step b can be glycerine, isooctanol or isoamyl alcohol.
In present disclosure：Sodium sulphate described in step b could alternatively be sodium chloride, sodium nitrate or potassium sulfate.
Compared with prior art, the present invention has following features and beneficial effect：
(1) using the present invention, shitosan (also known as chitosan) is a kind of cationic polysaccharide that nature is present, and is had
Powerful anion-adsorption power；There are a large amount of active hydroxyls and amino in shitosan macromolecular, they have stronger chemistry anti-
Should be able to power, with unique chemical characteristic；By natural polymer chitosan modified starch, the method technique letter of cationization is made
Single, raw material are easy to get, and the size stable performance for preparing, nontoxic with good biocompatibility, superior chemistry and
Thermal stability, easy film forming, and inexpensive, low cost；Add in glass fibre tank furnace wire drawing production, and glass fiber textile
There is good application advantage in the fields such as work；
(2) using the present invention, substantial amounts of amino is introduced in starch molecule by chitin modified so that starch type soaks
Profit agent Zeta potential value becomes just, and under conditions of same viscosity, same drawing speed, modified size is on glass surface
Starching amount is higher than ative starch type size, illustrates that modified size can be more preferable with glass fibre using electric charge affinity interaction
Adhesion, fiberglass surfacing more efficient diffusion and is sprawling.Specific experiment test result is as follows：Chitin modified starch type leaching
The Zeta potential value of profit agent is+5.0～10.0, and its value is higher than+1.0～the 1.5 of ative starch type size；40cP is all in viscosity
It is all under conditions of 50m/min with wire drawing speed, the starching amount of the size that is modified is 2.5%～4.5%, and its value is higher than ative starch
The 0.8%～1.5% of type size；
(3) reduced using the obtained chitin modified starch type size surface tension of the present invention, can effectively be spread over
Fiberglass surfacing, with good film forming and cluster performance, the glass fibre after wire drawing infiltration is processed has stronger mechanics
Performance.Specific experiment test result is as follows：The surface tension of chitin modified starch type size is 47.0～51.0mN/m, its
58.0～62.0mN/m of the value less than ative starch type size；The glass fibers Wella that chitin modified starch type size was processed
Intensity is stretched for 0.43～0.46N/tex, 0.37～0.40N/tex and ative starch type infiltration of its value higher than paraffin wax type fiberglass
0.35～0.38N/tex of the glass fibre that agent was processed；
(4) compared with prior art, the present invention reduces the complicated technology of enzymolysis directly using chitin modified, reacts
Time greatly reduces；Without enzymatic starch, chain length keeps, and shitosan is overall with Starch formation unification, and compatibility increases, stability
Improve；Shitosan raw material is easy to get and cheap, it is easy to industrialized production and application；
(5) using the present invention, obtained chitin modified starch type size may be directly applied to glass fibre tank furnace drawing
Silk production, and glass fiber textile processing, and have good affinity with fiberglass surfacing, product has well to glass
Cluster performance, application can form high, soft, the wear-resisting film of intensity on the glass fibers, using effect is good；It is prepared by the present invention
Process is simple, easily operation, environmental protection, low cost is practical.
Specific embodiment
The invention will be further described for example given below plan, but is not to be construed as to the scope of the present invention
Restriction, some nonessential improvement and tune that person skilled in art makes according to the content of the invention described above to the present invention
It is whole, still fall within protection scope of the present invention.
Embodiment 1：
A kind of preparation method of chitin modified starch type size, step is as follows：
A, the ative starch for taking 9 mass parts are put in reaction vessel, add 300 mass parts water, under stirring, are warming up to 90
DEG C, gelatinization reaction 1 hour obtains gelatinized corn starch；
B, the shitosan for taking 1 mass parts are added in gelatinized corn starch, and are slowly added to the crosslinking of 0.2 mass parts under stirring successively
Agent, the plasticizer of 0.2 mass parts, the polyvinyl alcohol of 0.2 mass parts, the sodium sulphate of 0.2 mass parts, the polysorbate60 of 0.1 mass parts,
Obtain mixed material；
C, mixed material is reacted 1 hour at 90 DEG C, be cooled to room temperature, stand 2 hours, deaeration is obtained shitosan
Modified starch type size.
Embodiment 2：
A kind of preparation method of chitin modified starch type size, step is as follows：
A, the ative starch for taking 12 mass parts are put in reaction vessel, add 300 mass parts water, under stirring, are warming up to 90
DEG C, gelatinization reaction 1 hour obtains gelatinized corn starch；
B, the shitosan for taking 1 mass parts are added in gelatinized corn starch, and are slowly added to the crosslinking of 0.2 mass parts under stirring successively
Agent, the plasticizer of 0.2 mass parts, the polyvinyl alcohol of 0.2 mass parts, the sodium sulphate of 0.2 mass parts, the polysorbate60 of 0.1 mass parts,
Obtain mixed material；
C, mixed material is reacted 1 hour at 90 DEG C, be cooled to room temperature, stand 2 hours, deaeration is obtained shitosan
Modified starch type size.
Embodiment 3：
A kind of preparation method of chitin modified starch type size, step is as follows：
A, the ative starch for taking 15 mass parts are put in reaction vessel, add 300 mass parts water, under stirring, are warming up to 90
DEG C, gelatinization reaction 1 hour obtains gelatinized corn starch；
B, the shitosan for taking 1 mass parts are added in gelatinized corn starch, and are slowly added to the crosslinking of 0.2 mass parts under stirring successively
Agent, the plasticizer of 0.2 mass parts, the polyvinyl alcohol of 0.2 mass parts, the sodium sulphate of 0.2 mass parts, the polysorbate60 of 0.1 mass parts,
Obtain mixed material；
C, mixed material is reacted 1 hour at 90 DEG C, be cooled to room temperature, stand 2 hours, deaeration is obtained shitosan
Modified starch type size.
The size the performance test results of embodiment 1,2 and 3 see below Tables 1 and 2：
Table 1：The performance parameter of size obtained in embodiment 1,2 and 3
| Embodiment 1 | Embodiment 2 | Embodiment 3 | |
| Viscosity (cP) | 38.65 | 44.99 | 56.39 |
| Surface tension (mN/m) | 50.18 | 48.29 | 47.44 |
| Zeta potential | 5.5 | 6.7 | 7.4 |
| Granularity (um) | 43.154 | 44.825 | 45.177 |
Table 2：The wire-drawing performance of size obtained in embodiment 1,2 and 3
| Embodiment 1 | Embodiment 2 | Embodiment 3 | |
| Tensile strength (N/tex) | 0.43 | 0.44 | 0.45 |
| Stiffness (cm) | 4.69 | 5.04 | 5.25 |
| Move outside rate | 1.544 | 1.400 | 1.352 |
| Disconnected hair, winged silk | Lousiness is few | Almost without | Without disconnected hair |
Embodiment 4：
A kind of preparation method of chitin modified starch type size, step is as follows：
A, the ative starch for taking 18 mass parts are put in reaction vessel, add 300 mass parts water, under stirring, are warming up to 90
DEG C, gelatinization reaction 1 hour obtains gelatinized corn starch；
B, the shitosan for taking 1 mass parts are added in gelatinized corn starch, and are slowly added to the crosslinking of 0.2 mass parts under stirring successively
Agent, the plasticizer of 0.2 mass parts, the polyvinyl alcohol of 0.2 mass parts, the sodium sulphate of 0.2 mass parts, the polysorbate60 of 0.1 mass parts,
Obtain mixed material；
C, mixed material is reacted 1 hour at 90 DEG C, be cooled to room temperature, stand 2 hours, deaeration is obtained shitosan
Modified starch type size.
Embodiment 5：
A kind of preparation method of chitin modified starch type size, step is as follows：
A, the ative starch for taking 12 mass parts are put in reaction vessel, add 300 mass parts water, under stirring, are warming up to 90
DEG C, gelatinization reaction 1 hour obtains gelatinized corn starch；
B, the shitosan for taking 2 mass parts are added in gelatinized corn starch, and are slowly added to the crosslinking of 0.2 mass parts under stirring successively
Agent, the plasticizer of 0.2 mass parts, the polyvinyl alcohol of 0.2 mass parts, the sodium sulphate of 0.2 mass parts, the polysorbate60 of 0.1 mass parts,
Obtain mixed material；
C, mixed material is reacted 1 hour at 90 DEG C, be cooled to room temperature, stand 2 hours, deaeration is obtained shitosan
Modified starch type size.
Embodiment 6：
A kind of preparation method of chitin modified starch type size, step is as follows：
A, the ative starch for taking 12 mass parts are put in reaction vessel, add 300 mass parts water, under stirring, are warming up to 90
DEG C, gelatinization reaction 1 hour obtains gelatinized corn starch；
B, the shitosan for taking 3 mass parts are added in gelatinized corn starch, and are slowly added to the crosslinking of 0.2 mass parts under stirring successively
Agent, the plasticizer of 0.2 mass parts, the polyvinyl alcohol of 0.2 mass parts, the sodium sulphate of 0.2 mass parts, the polysorbate60 of 0.1 mass parts,
Obtain mixed material；
C, mixed material is reacted 1 hour at 90 DEG C, be cooled to room temperature, stand 2 hours, deaeration is obtained shitosan
Modified starch type size.
Embodiment 7：
A kind of preparation method of chitin modified starch type size, step is as follows：
A, the ative starch for taking 12 mass parts are put in reaction vessel, add 300 mass parts water, under stirring, are warming up to 90
DEG C, gelatinization reaction 1 hour obtains gelatinized corn starch；
B, the shitosan for taking 2 mass parts are added in gelatinized corn starch, and are slowly added to the crosslinking of 0.2 mass parts under stirring successively
Agent, the plasticizer of 0.2 mass parts, the polyvinyl alcohol of 0.2 mass parts, the sodium sulphate of 0.2 mass parts, the polysorbate60 of 0.1 mass parts,
Obtain mixed material；
C, mixed material is reacted 2 hours at 90 DEG C, be cooled to room temperature, stand 2 hours, deaeration is obtained shitosan
Modified starch type size.
Embodiment 8：
A kind of preparation method of chitin modified starch type size, step is as follows：
A, the ative starch for taking 12 mass parts are put in reaction vessel, add 300 mass parts water, under stirring, are warming up to 90
DEG C, gelatinization reaction 1 hour obtains gelatinized corn starch；
B, the shitosan for taking 1 mass parts are added in gelatinized corn starch, and are slowly added to the crosslinking of 0.2 mass parts under stirring successively
Agent, the plasticizer of 0.2 mass parts, the polyvinyl alcohol of 0.2 mass parts, the sodium sulphate of 0.2 mass parts, the polysorbate60 of 0.1 mass parts,
Obtain mixed material；
C, mixed material is reacted 3 hours at 90 DEG C, be cooled to room temperature, stand 2 hours, deaeration is obtained shitosan
Modified starch type size.
Embodiment 9：
A kind of preparation method of chitin modified starch type size, step is as follows：
A, the ative starch for taking 12 mass parts are put in reaction vessel, add 300 mass parts water, under stirring, are warming up to 90
DEG C, gelatinization reaction 1 hour obtains gelatinized corn starch；
B, the shitosan for taking 1 mass parts are added in gelatinized corn starch, and are slowly added to the crosslinking of 0.2 mass parts under stirring successively
Agent, the plasticizer of 0.2 mass parts, the polyvinyl alcohol of 0.2 mass parts, the sodium sulphate of 0.2 mass parts, the polysorbate60 of 0.1 mass parts,
Obtain mixed material；
C, mixed material is reacted 4 hours at 90 DEG C, be cooled to room temperature, stand 2 hours, deaeration is obtained shitosan
Modified starch type size.
Embodiment 10：
A kind of preparation method of chitin modified starch type size, step is as follows：
A, the ative starch for taking 12 mass parts are put in reaction vessel, add 300 mass parts water, under stirring, are warming up to 90
DEG C, gelatinization reaction 1 hour obtains gelatinized corn starch；
B, the shitosan for taking 1 mass parts are added in gelatinized corn starch solution, and are slowly added to 0.2 mass parts successively under stirring
Crosslinking agent, the plasticizer of 0.2 mass parts, the polyvinyl alcohol of 0.2 mass parts, the sodium sulphate of 0.2 mass parts, 0.1 mass parts are told
Temperature 60, obtains mixed material；
C, mixed material is reacted 5 hours at 90 DEG C, be cooled to room temperature, stand 2 hours, deaeration is obtained shitosan
Modified starch type size.
Embodiment 11～18：
A kind of preparation method of chitin modified starch type size, step is as follows：
A, the ative starch for taking 12 mass parts are put in reaction vessel, add 300 mass parts water, under stirring, are warming up to 90
DEG C, gelatinization reaction 1 hour obtains gelatinized corn starch；
B, the shitosan for taking 1 mass parts are added in gelatinized corn starch, and are slowly added to 0.1～0.6 mass parts successively under stirring
Crosslinking agent, the plasticizer of 0.1～0.6 mass parts, the polyvinyl alcohol of 0.2 mass parts, the sodium sulphate of 0.2 mass parts, 0.1 mass
The polysorbate60 of part, obtains mixed material；
C, mixed material is reacted 1 hour at 90 DEG C, be cooled to room temperature, stand 2 hours, deaeration is obtained shitosan
Modified starch type size.
The concrete consumption (mass parts) of each component see the table below in each embodiment step b：
Embodiment 19～24：
A kind of preparation method of chitin modified starch type size, step is as follows：
A, (the concrete consumption of embodiment 19～24 is respectively to take the ative starch of 9～18 mass parts：10 mass parts, 11 mass
Part, 13 mass parts, 14 mass parts, 16 mass parts, 17 mass parts) reaction vessel is put into, add 300 mass parts water, stirring
Under, 90 DEG C are warming up to, gelatinization reaction 1 hour obtains gelatinized corn starch；
B, the shitosan for taking 1～3 mass parts are added in gelatinized corn starch, and (preferably slow) are under agitation successively added
The crosslinking agent of 0.1～0.6 mass parts, the plasticizer of 0.1～0.6 mass parts, the polyvinyl alcohol of 0.2 mass parts, 0.2 mass parts
The polysorbate60 of sodium sulphate and 0.1 mass parts, obtains mixed material；The concrete consumption of each raw material components is with embodiment 1～18
It is arbitrary；
C, mixed material is reacted 1～5 hour at a temperature of 90 DEG C, be cooled to room temperature, stand 2 hours, deaeration makes
Obtain chitin modified starch type size.
Embodiment 25：
A kind of preparation method of chitin modified starch type size, is characterized in that step is as follows：
A, the ative starch for taking 9～18 mass parts (concrete consumption is with arbitrary in embodiment 1～24) are put in reaction vessel,
300 mass parts water are added, under stirring, 90 DEG C is warming up to, gelatinization reaction 1 hour obtains gelatinized corn starch；
B, take chitosan solution, be added in gelatinized corn starch, and it is (preferably slow) under agitation successively add 0.1～
The crosslinking agent of 0.6 mass parts, the plasticizer of 0.1～0.6 mass parts, the polyvinyl alcohol of 0.2 mass parts, the sulfuric acid of 0.2 mass parts
The polysorbate60 of sodium and 0.1 mass parts, obtains mixed material；The concrete consumption of each raw material components is appointed with embodiment 1～24
One；
Described chitosan solution is 1 mass parts shitosan and glacial acetic acid that 100 mass parts mass percent concentrations are 3%
The solution that the aqueous solution is hybridly prepared into is (i.e.：Described chitosan solution is dissolved in 100 mass parts quality for 1 mass parts shitosan
Percent concentration be 3% glacial acetic acid aqueous solution in the solution that is made into)；
C, mixed material is reacted 1 hour at a temperature of 90 DEG C, be cooled to room temperature, stand 2 hours, deaeration is obtained
Chitin modified starch type size.
Embodiment 26：
A kind of preparation method of chitin modified starch type size, is characterized in that step is as follows：
A, the ative starch for taking 9～18 mass parts (concrete consumption is with arbitrary in embodiment 1～24) are put in reaction vessel,
300 mass parts water are added, under stirring, 90 DEG C is warming up to, gelatinization reaction 1 hour obtains gelatinized corn starch；
B, take chitosan solution, be added in gelatinized corn starch, and it is (preferably slow) under agitation successively add 0.1～
The crosslinking agent of 0.6 mass parts, the plasticizer of 0.1～0.6 mass parts, the polyvinyl alcohol of 0.2 mass parts, the sulfuric acid of 0.2 mass parts
The polysorbate60 of sodium and 0.1 mass parts, obtains mixed material；The concrete consumption of each raw material components is appointed with embodiment 1～24
One；
Described chitosan solution is 2 mass parts shitosans and glacial acetic acid that 100 mass parts mass percent concentrations are 3%
The solution that the aqueous solution is hybridly prepared into；
C, mixed material is reacted 2.5 hours at a temperature of 90 DEG C, be cooled to room temperature, stand 2 hours, deaeration makes
Obtain chitin modified starch type size.
Embodiment 27：
A kind of preparation method of chitin modified starch type size, is characterized in that step is as follows：
A, the ative starch for taking 9～18 mass parts (concrete consumption is with arbitrary in embodiment 1～24) are put in reaction vessel,
300 mass parts water are added, under stirring, 90 DEG C is warming up to, gelatinization reaction 1 hour obtains gelatinized corn starch；
B, take chitosan solution, be added in gelatinized corn starch, and it is (preferably slow) under agitation successively add 0.1～
The crosslinking agent of 0.6 mass parts, the plasticizer of 0.1～0.6 mass parts, the polyvinyl alcohol of 0.2 mass parts, the sulfuric acid of 0.2 mass parts
The polysorbate60 of sodium and 0.1 mass parts, obtains mixed material；The concrete consumption of each raw material components is appointed with embodiment 1～24
One；
Described chitosan solution is 3 mass parts shitosans and glacial acetic acid that 100 mass parts mass percent concentrations are 3%
The solution that the aqueous solution is hybridly prepared into；
C, mixed material is reacted 5 hours at a temperature of 90 DEG C, be cooled to room temperature, stand 2 hours, deaeration is obtained
Chitin modified starch type size.
In above-described embodiment：Ative starch described in step a can be cornstarch, pea starch, farina, cassava
One or more kinds of mixtures in starch and starch from sweet potato.
In above-described embodiment：Crosslinking agent described in step b can be the glutaraldehyde water that mass percent concentration is 50%
The glyoxal water solution that solution, mass percent concentration are 50% formalin or mass percent concentration is 50%.
In above-described embodiment：Plasticizer described in step b can be glycerine, isooctanol or isoamyl alcohol.
In above-described embodiment：The product type of the polyvinyl alcohol described in step b preferably PVA1799, molecular weight model
50000～100000 are enclosed, there is Chengdu Ke Long chemical reagents factory etc. in production enterprise；, or other existing products.
In above-described embodiment：Sodium sulphate described in step b could alternatively be sodium chloride, sodium nitrate or potassium sulfate.
In above-described embodiment：The each raw material for being adopted is commercially available prod：
In above-described embodiment：In the percentage for being adopted, especially do not indicate, be quality (weight) percentage；
Described quality (weight) part can be gram or kilogram.
In above-described embodiment：Technological parameter (temperature, time, concentration etc.) and each component numerical quantity in each step etc. are
Scope, any point is applicable.
The technology contents being not specifically delineated in present invention and above-described embodiment are compared with technology.
The invention is not restricted to above-described embodiment, can implement and with the good result described in present invention.
Claims (6)
1. a kind of preparation method of chitin modified starch type size, is characterized in that step is as follows：
A, the ative starch for taking 9～18 mass parts are put in reaction vessel, add 300 mass parts water, under stirring, are warming up to 90
DEG C, gelatinization reaction 1 hour obtains gelatinized corn starch；
B, the shitosan for taking 1～3 mass parts are added in gelatinized corn starch, and sequentially add the friendship of 0.1～0.6 mass parts under agitation
Connection agent, the plasticizer of 0.1～0.6 mass parts, the polyvinyl alcohol of 0.2 mass parts, the sodium sulphate of 0.2 mass parts and 0.1 mass
The polysorbate60 of part, obtains mixed material；
C, mixed material is reacted 1～5 hour at a temperature of 90 DEG C, be cooled to room temperature, stand 2 hours, deaeration is obtained shell
Glycan modified starch type size.
2. as described in claim 1 chitin modified starch type size preparation method, it is characterized in that：Step b is replaced
For：Take chitosan solution, be added in gelatinized corn starch, and sequentially add under agitation the crosslinking agent of 0.1～0.6 mass parts, 0.1～
The tween of the plasticizer of 0.6 mass parts, the polyvinyl alcohol of 0.2 mass parts, the sodium sulphate of 0.2 mass parts and 0.1 mass parts
60, obtain mixed material；
Described chitosan solution is 1～3 mass parts shitosan and glacial acetic acid water that 100 mass parts mass percent concentrations are 3%
The solution that solution is hybridly prepared into.
3. as described in claim 1 or 2 chitin modified starch type size preparation method, it is characterized in that：Described in step a
Ative starch be one or two kinds of in cornstarch, pea starch, farina, tapioca and starch from sweet potato with
On mixture.
4. as described in claim 1 or 2 chitin modified starch type size preparation method, it is characterized in that：Described in step b
Crosslinking agent be glutaraldehyde water solution, the formalin that mass percent concentration is 50% that mass percent concentration is 50% or
Mass percent concentration is 50% glyoxal water solution.
5. as described in claim 1 or 2 chitin modified starch type size preparation method, it is characterized in that：Described in step b
Plasticizer be glycerine, isooctanol or isoamyl alcohol.
6. as described in claim 1 or 2 chitin modified starch type size preparation method, it is characterized in that：Described in step b
Sodium sulphate replace with sodium chloride, sodium nitrate or potassium sulfate.
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| CN109056322B (en) * | 2018-04-26 | 2020-05-05 | 东华大学 | Cross-linked starch sizing agent for chitosan fiber, preparation method and application thereof |
| CN109221804A (en) * | 2018-09-19 | 2019-01-18 | 何秋宏 | A kind of low fish meal perch highly effective and safe mixed feed |
| CN110258120B (en) * | 2019-07-25 | 2020-05-22 | 清远凯荣德玻璃纤维有限公司 | Production method of electronic-grade glass fiber cloth |
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| DE202004016422U1 (en) * | 2004-04-17 | 2005-01-27 | Pd Glasfaser Gmbh Brattendorf | Glass fiber fabric as a substrate |
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