CN108047828A - A kind of biomass modified starch base thermal insulation coatings and preparation method thereof - Google Patents
A kind of biomass modified starch base thermal insulation coatings and preparation method thereof Download PDFInfo
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- CN108047828A CN108047828A CN201711276900.9A CN201711276900A CN108047828A CN 108047828 A CN108047828 A CN 108047828A CN 201711276900 A CN201711276900 A CN 201711276900A CN 108047828 A CN108047828 A CN 108047828A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D125/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
- C09D125/02—Homopolymers or copolymers of hydrocarbons
- C09D125/04—Homopolymers or copolymers of styrene
- C09D125/06—Polystyrene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Polysaccharides And Polysaccharide Derivatives (AREA)
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Abstract
The invention discloses a kind of biomass modified starch base thermal insulation coatings, it is made of the raw material of following weight parts：Sucrose acetoisobutyrate 12, starch 20 24, pyromellitic acid dianhydride 57,1,2 methylimidazoles 0.4 1, biomass original powder 10 14, polystyrene 80 90, lauryl glucosyl 12, abienol 68, hollow glass micropearl 35, nickel sulfamic acid 12,18 carbamide 0.7 2 of saturation.Straw powder that the present invention adds in, starch, not only effectively raise the environmental-protecting performance of coating, and certain protecting effect can be played to hollow glass micropearl, effectively can prevent hollow glass micropearl from rupturing, play good heat-insulating property.
Description
Technical field
The invention belongs to paint fields, and in particular to a kind of biomass modified starch base thermal insulation coatings and preparation method thereof.
Background technology
Polystyrene have it is inexpensive, it is easy coloring, transparent, hygroscopicity is low, good electrical property and resistant to chemical media corrosion etc. it is special
Point is widely used in electronic apparatus industry, chemical industry and daily necessities etc..But polystyrene is the modeling that a germplasm is hard, property is crisp
Material, as coating base-material, there is the defects of flexibility and poor adhesive force for polystyrene.Meanwhile in order to improve polystyrene
The plasticity of coating often adds in containing plasticizer such as benzene, halogens, be easy to cause environmental pollution wherein.
The content of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of biomass modified starch base is kept the temperature
Coating and preparation method thereof.
To achieve the above object, the present invention uses following technical scheme：
A kind of biomass modified starch base thermal insulation coatings, it is made of the raw material of following weight parts：
Sucrose acetoisobutyrate 1-2, starch 20-24, pyromellitic acid dianhydride 5-7, DMIZ 1,2 dimethylimidazole 0.4-1, life
Substance original powder 10-14, polystyrene 80-90, lauryl glucosyl 1-2, abienol 6-8, hollow glass micropearl 3-5, ammonia
Base nickel sulphonic acid 1-2,18 carbamide 0.7-2 of saturation.
What the biomass original powder was made of the raw material of following weight parts：
Straw powder 30-40, silane coupling agent kh5501-2, sodium hydrogensulfite 2-3, Tea Saponin 0.1-0.2.
The preparation method of the biomass original powder comprises the following steps：
(1) sodium hydrogensulfite is taken, is added in the deionized water of 20-30 times of its weight, stirs evenly, adds in straw powder,
When immersion 1-2 is small at 40-50 DEG C, stalk is washed in filtering, dry, obtains activation stalk；
(2) silane coupling agent kh550 is taken, is added in the absolute ethyl alcohol of 6-8 times of its weight, stirs evenly, is added in above-mentioned
Stalk is activated, rise temperature is 65-70 DEG C, when insulated and stirred 1-2 is small, adds in Tea Saponin, stirs to room temperature, second is distilled off
Alcohol is to get the biomass original powder.
The preparation method of the biomass modified starch base thermal insulation coatings, comprises the following steps：
(1) pyromellitic acid dianhydride is taken, is added in the deionized water of 30-40 times of its weight, stirs evenly, obtain hydrolyzate；
(2) take 18 carbamide of saturation, in ethyl alcohol that be added to 17-20 times of its weight, 70-75%, stir evenly, add
Enter hollow glass micropearl, it is 3-4 minutes ultrasonic, obtain amide solution；
(3) 1,2- methylimidazoles are taken, are added in abienol, it is and above-mentioned insulated and stirred 4-10 minutes at 50-60 DEG C
Amide solution mixes, and stirs evenly, and adds in starch, stirs to room temperature, obtain starch amide solution；
(4) above-mentioned starch amide solution is sent in reaction kettle, it is 95-100 DEG C to adjust temperature of reaction kettle, is added dropwise above-mentioned
Hydrolyzate adds in nickel sulfamic acid after being added dropwise, continue insulated and stirred 10-20 minutes, and discharging adds in Sucrose Acetate acid sucrose
Ester is stirred to room temperature, and filtering obtains esterification modification starch；
(5) above-mentioned biomass original powder is taken, is mixed with esterification modification starch, lauryl glucosyl, is protected at 50-60 DEG C
Temperature stirring 5-10 minutes mixes with remaining each raw material, stirs evenly, be sent in extruder, and melting extrusion cools down, sieving, i.e.,
Obtain the biomass modified starch base thermal insulation coatings.
Advantages of the present invention：
The biomass original powder of the present invention is activated using straw powder as raw material by being impregnated in aqueous solution of sodium bisulfite, then
Using silane coupler modified, the compatibility of straw powder in polystyrene is effectively improved, improves finished product coating mechanics
Stability, the present invention hydrolyze pyromellitic acid dianhydride, are then blended with abienol, and high temperature esterification is additionally added in esterification process
Starch, obtained esterification starch can effectively improve its compatibility in polystyrene, straw powder that the present invention adds in,
Starch not only effectively raises the environmental-protecting performance of coating, and certain protecting effect, energy can be played to hollow glass micropearl
It is enough effectively to prevent hollow glass micropearl from rupturing, play good heat-insulating property.
Specific embodiment
Embodiment 1
A kind of biomass modified starch base thermal insulation coatings, it is made of the raw material of following weight parts：
Sucrose acetoisobutyrate 2, starch 24, pyromellitic acid dianhydride 7, DMIZ 1,2 dimethylimidazole 1, biomass original powder 14,
Polystyrene 90, lauryl glucosyl 2, abienol 8, hollow glass micropearl 5, nickel sulfamic acid 2,18 carbamide of saturation
2。
What the biomass original powder was made of the raw material of following weight parts：
Straw powder 40, silane coupling agent kh5502, sodium hydrogensulfite 3, Tea Saponin 0.2.
The preparation method of the biomass original powder comprises the following steps：
(1) sodium hydrogensulfite is taken, is added in the deionized water of 30 times of its weight, stirs evenly, straw powder is added in, 50
When immersion 2 is small at DEG C, stalk is washed in filtering, dry, obtains activation stalk；
(2) silane coupling agent kh550 is taken, is added in the absolute ethyl alcohol of 8 times of its weight, stirs evenly, add in above-mentioned work
Change stalk, rise temperature is 70 DEG C, when insulated and stirred 2 is small, adds in Tea Saponin, stirs to room temperature, ethyl alcohol is distilled off to get institute
State biomass original powder.
The preparation method of the biomass modified starch base thermal insulation coatings, comprises the following steps：
(1) pyromellitic acid dianhydride is taken, is added in the deionized water of 40 times of its weight, is stirred evenly, obtain hydrolyzate；
(2) 18 carbamide of saturation is taken, is added in 20 times of its weight, 75% ethyl alcohol, stirs evenly, is added in hollow
Glass microballoon, ultrasound 4 minutes, obtains amide solution；
(3) 1,2- methylimidazoles are taken, are added in abienol, insulated and stirred 10 minutes at 60 DEG C, with above-mentioned amide
Solution mixes, and stirs evenly, and adds in starch, stirs to room temperature, obtain starch amide solution；
(4) above-mentioned starch amide solution is sent in reaction kettle, it is 100 DEG C to adjust temperature of reaction kettle, and above-mentioned water is added dropwise
Liquid is solved, nickel sulfamic acid is added in after being added dropwise, continues insulated and stirred 20 minutes, discharging adds in Sucrose acetoisobutyrate, stirs
It mixes to room temperature, filtering obtains esterification modification starch；
(5) above-mentioned biomass original powder, esterification modification starch, lauryl glucosyl mixing are taken, keeps the temperature and stirs at 60 DEG C
It mixes 10 minutes, is mixed with remaining each raw material, stir evenly, be sent in extruder, melting extrusion, cooling is sieved to get described
Biomass modified starch base thermal insulation coatings.
Embodiment 2
A kind of biomass modified starch base thermal insulation coatings, it is made of the raw material of following weight parts：
Sucrose acetoisobutyrate 1, starch 20, pyromellitic acid dianhydride 5, DMIZ 1,2 dimethylimidazole 0.4, biomass original powder
10th, polystyrene 80, lauryl glucosyl 1, abienol 6, hollow glass micropearl 3, nickel sulfamic acid 1,18 carbon of saturation
Amide 0.7.
What the biomass original powder was made of the raw material of following weight parts：
Straw powder 30, silane coupling agent kh5501, sodium hydrogensulfite 2, Tea Saponin 0.1.
The preparation method of the biomass original powder comprises the following steps：
(1) sodium hydrogensulfite is taken, is added in the deionized water of 20 times of its weight, stirs evenly, straw powder is added in, 40
When immersion 1 is small at DEG C, stalk is washed in filtering, dry, obtains activation stalk；
(2) silane coupling agent kh550 is taken, is added in the absolute ethyl alcohol of 6 times of its weight, stirs evenly, add in above-mentioned work
Change stalk, rise temperature is 65 DEG C, when insulated and stirred 1 is small, adds in Tea Saponin, stirs to room temperature, ethyl alcohol is distilled off to get institute
State biomass original powder.
The preparation method of the biomass modified starch base thermal insulation coatings, comprises the following steps：
(1) pyromellitic acid dianhydride is taken, is added in the deionized water of 30 times of its weight, is stirred evenly, obtain hydrolyzate；
(2) 18 carbamide of saturation is taken, is added in 17 times of its weight, 70% ethyl alcohol, stirs evenly, is added in hollow
Glass microballoon, ultrasound 3 minutes, obtains amide solution；
(3) 1,2- methylimidazoles are taken, are added in abienol, insulated and stirred 4 minutes at 50 DEG C are molten with above-mentioned amide
Liquid mixes, and stirs evenly, and adds in starch, stirs to room temperature, obtain starch amide solution；
(4) above-mentioned starch amide solution is sent in reaction kettle, it is 95 DEG C to adjust temperature of reaction kettle, and above-mentioned hydrolysis is added dropwise
Liquid adds in nickel sulfamic acid after being added dropwise, continue insulated and stirred 10 minutes, and discharging adds in Sucrose acetoisobutyrate, stirring
To room temperature, filtering obtains esterification modification starch；
(5) above-mentioned biomass original powder, esterification modification starch, lauryl glucosyl mixing are taken, keeps the temperature and stirs at 50 DEG C
It mixes 5 minutes, is mixed with remaining each raw material, stir evenly, be sent in extruder, melting extrusion, cooling is sieved to get described
Biomass modified starch base thermal insulation coatings.
Performance test：
Appearance of film：Flat smooth, no shrinkage cavity are pin-free；
Positive recoil test：Pass through；
Pencil hardness test：2H is without scuffing；
Adhesive force and resistance to Neutral Salt Spray Corrosion grade are 2 grades；
Thermal conductivity is 0.27-0.32W/mK.
Claims (4)
1. a kind of biomass modified starch base thermal insulation coatings, which is characterized in that it is made of the raw material of following weight parts：
Sucrose acetoisobutyrate 1-2, starch 20-24, pyromellitic acid dianhydride 5-7, DMIZ 1,2 dimethylimidazole 0.4-1, biomass
Original powder 10-14, polystyrene 80-90, lauryl glucosyl 1-2, abienol 6-8, hollow glass micropearl 3-5, amino sulphur
Sour nickel 1-2,18 carbamide 0.7-2 of saturation.
A kind of 2. biomass modified starch base thermal insulation coatings according to claim 1, which is characterized in that the biomass
Original powder is made of the raw material of following weight parts：
Straw powder 30-40, silane coupling agent kh5501-2, sodium hydrogensulfite 2-3, Tea Saponin 0.1-0.2.
A kind of 3. biomass modified starch base thermal insulation coatings according to claim 2, which is characterized in that the biomass
The preparation method of original powder comprises the following steps：
(1) sodium hydrogensulfite is taken, is added in the deionized water of 20-30 times of its weight, stirs evenly, straw powder is added in, in 40-
When immersion 1-2 is small at 50 DEG C, stalk is washed in filtering, dry, obtains activation stalk；
(2) silane coupling agent kh550 is taken, is added in the absolute ethyl alcohol of 6-8 times of its weight, stirs evenly, adds in above-mentioned activation
Stalk, rise temperature is 65-70 DEG C, when insulated and stirred 1-2 is small, adds in Tea Saponin, stirs to room temperature, ethyl alcohol is distilled off, i.e.,
Obtain the biomass original powder.
4. a kind of preparation method of biomass modified starch base thermal insulation coatings as described in claim 1, which is characterized in that including
Following steps：
(1) pyromellitic acid dianhydride is taken, is added in the deionized water of 30-40 times of its weight, stirs evenly, obtain hydrolyzate；
(2) take 18 carbamide of saturation, in ethyl alcohol that be added to 17-20 times of its weight, 70-75%, stir evenly, add in empty
Heart glass microballoon, it is 3-4 minutes ultrasonic, obtain amide solution；
(3) 1,2- methylimidazoles are taken, are added in abienol, insulated and stirred 4-10 minutes at 50-60 DEG C, with above-mentioned amide
Solution mixes, and stirs evenly, and adds in starch, stirs to room temperature, obtain starch amide solution；
(4) above-mentioned starch amide solution is sent in reaction kettle, it is 95-100 DEG C to adjust temperature of reaction kettle, and above-mentioned hydrolysis is added dropwise
Liquid adds in nickel sulfamic acid after being added dropwise, continue insulated and stirred 10-20 minutes, and discharging adds in Sucrose acetoisobutyrate,
Stirring to room temperature, filtering obtains esterification modification starch；
(5) above-mentioned biomass original powder is taken, is mixed with esterification modification starch, lauryl glucosyl, keeps the temperature and stirs at 50-60 DEG C
It mixes 5-10 minutes, is mixed with remaining each raw material, stir evenly, be sent in extruder, melting extrusion, cooling is sieved to get institute
State biomass modified starch base thermal insulation coatings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711276900.9A CN108047828A (en) | 2017-12-06 | 2017-12-06 | A kind of biomass modified starch base thermal insulation coatings and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711276900.9A CN108047828A (en) | 2017-12-06 | 2017-12-06 | A kind of biomass modified starch base thermal insulation coatings and preparation method thereof |
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| Publication Number | Publication Date |
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| CN108047828A true CN108047828A (en) | 2018-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711276900.9A Pending CN108047828A (en) | 2017-12-06 | 2017-12-06 | A kind of biomass modified starch base thermal insulation coatings and preparation method thereof |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105482525A (en) * | 2015-12-31 | 2016-04-13 | 王璐 | Environment-friendly steel plate coating material for constructions |
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2017
- 2017-12-06 CN CN201711276900.9A patent/CN108047828A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105482525A (en) * | 2015-12-31 | 2016-04-13 | 王璐 | Environment-friendly steel plate coating material for constructions |
Non-Patent Citations (1)
| Title |
|---|
| 孙道兴等: "《涂料调制与配色技术》", 30 November 2008, 中国纺织出版社 * |
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Application publication date: 20180518 |