CN108795321A - A kind of composite denaturation cornstarch emulsion and preparation method thereof - Google Patents
A kind of composite denaturation cornstarch emulsion and preparation method thereof Download PDFInfo
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- CN108795321A CN108795321A CN201810686446.2A CN201810686446A CN108795321A CN 108795321 A CN108795321 A CN 108795321A CN 201810686446 A CN201810686446 A CN 201810686446A CN 108795321 A CN108795321 A CN 108795321A
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J103/00—Adhesives based on starch, amylose or amylopectin or on their derivatives or degradation products
- C09J103/02—Starch; Degradation products thereof, e.g. dextrin
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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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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- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a kind of composite denaturation cornstarch emulsions, including below according to the raw material of parts by weight：30-50 parts of cornstarch, 10-20 parts of glutinous rice flour, 15-25 parts of polyvinyl alcohol, 5-10 parts of rosin, sour 5-8 parts of agent, 3-5 parts of sodium alginate, 2-3 parts of glycerine, 1-3 parts of plasticizer, 1-2 parts of antioxidant, 0.8-1.5 parts of antifoaming agent, 80-100 parts of deionized water.The invention also discloses the preparation methods of the composite denaturation cornstarch emulsion.For lotion prepared by the present invention under the common mating reaction of various raw materials, binding speed is fast, and the adhesive strength after solidification is high；Harmful substance will not be distributed during being used using lotion prepared by the present invention as the Wood products of adhesive, avoids being harmful to health.
Description
Technical field
The present invention relates to technical field of adhesive, specifically a kind of composite denaturation cornstarch emulsion.
Background technology
The surface glue of timber and timber or other objects is connected into the material being integrated, wood processing industry by wood adhesive
Product, such as the production of glued board, particieboard, medium density fibre board (MDF), laminated product, decorative finishes plate and core-board all needs
To use adhesive.Adhesive not only plays an important roll to saving timber and simplifying production technology, can also be metal or plastics
The material and wood materials gluing of equal different performances, are made the composite material of various performances, to play the unique function of timber,
Certain special purposes are provided.
Existing wood adhesive haves the shortcomings that binding speed is slower, and adhesive is relatively low in bonding adhesive strength early period,
It needs to be consolidated for a long time, causes the processing efficiency of Wood products relatively low；And existing adhesive contains formaldehyde etc. mostly
Harmful substance, after processing is completed, the smell that adhesive distributes is absorbed by the body timber, is unfavorable for health.
Invention content
The purpose of the present invention is to provide a kind of composite denaturation cornstarch emulsions, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the present invention provides the following technical solutions：
A kind of composite denaturation cornstarch emulsion, including below according to the raw material of parts by weight：It is 30-50 parts of cornstarch, glutinous
10-20 parts of rice flour, 5-10 parts of rosin, sour 5-8 parts of agent, 3-5 parts of sodium alginate, 2-3 parts of glycerine, increases 15-25 parts of polyvinyl alcohol
Mould 1-3 parts of agent, 1-2 parts of antioxidant, 0.8-1.5 parts of antifoaming agent, 80-100 parts of deionized water.
As a further solution of the present invention：Including below according to the raw material of parts by weight：35-45 parts of cornstarch, glutinous rice
12-18 parts of powder, 18-22 parts of polyvinyl alcohol, 7-9 parts of rosin, sour 6-7 parts of agent, 3.5-4.5 parts of sodium alginate, glycerine 2.2-2.7
Part, 1.5-2.5 parts of plasticizer, 1.3-1.7 parts of antioxidant, 1-1.3 parts of antifoaming agent, 85-95 parts of deionized water.
As further scheme of the invention：Including below according to the raw material of parts by weight：40 parts of cornstarch, glutinous rice flour
15 parts, 20 parts of polyvinyl alcohol, 8 parts of rosin, sour 6 parts of agent, 4 parts of sodium alginate, 2.5 parts of glycerine, 2 parts of plasticizer, antioxidant 1.5
Part, 1.2 parts of antifoaming agent, 90 parts of deionized water.
As further scheme of the invention：The acid agent is citric acid, glacial acetic acid, one kind in sulfamic acid or more
Kind.
As further scheme of the invention：The plasticizer is by diisooctyl phthalate and phthalic acid two
Isodecyl ester is mixed by weight 1: 2.
The preparation method of the composite denaturation cornstarch emulsion, steps are as follows：
1) cornstarch, glutinous rice flour, polyvinyl alcohol and rosin are mixed, deionized water is added, stirs evenly, is warming up to
60-80 DEG C, 8-10min is stood, mixed liquor I is obtained after cooling；
2) sour agent is added dropwise in the mixed liquor I obtained into step 1), stirs simultaneously, is warming up to 40-60 DEG C, reacts 20-
30min, then glycerine and sodium alginate is added dropwise, stirs evenly, 2-3h is refrigerated after the completion, obtains mixed liquor I I；
3) plasticizer, antioxidant and antifoaming agent is added in the mixed liquor I I obtained to step 3), in 800-1000r/min
Rotating speed under, stir 30-50min, stand 10-15min, obtain mixed liquor I II；
4) the mixed liquor I II that step 3) obtains is concentrated under vacuum conditions, 20-30 DEG C of thickening temperature, until mixed
It closes liquid III weight and reaches the 1/2-2/3 before concentration to get lotion.
Application of the above-mentioned emulsion in adhesive field.
Compared with prior art, the beneficial effects of the invention are as follows：
For lotion prepared by the present invention under the common mating reaction of various raw materials, binding speed is fast, and the bonding after solidification is strong
Degree is high；Harmful substance will not be distributed during being used using lotion prepared by the present invention as the Wood products of adhesive, is avoided
It is harmful to health；In lotion production process, harmful substance will not be given off, it is more environmentally-friendly.
Specific implementation mode
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Embodiment 1
A kind of composite denaturation cornstarch emulsion, including below according to the raw material of parts by weight：30 parts of cornstarch, glutinous rice flour
10 parts, 15 parts of polyvinyl alcohol, 5 parts of rosin, sour 5 parts of agent, 3 parts of sodium alginate, 2 parts of glycerine, 1 part of plasticizer, 1 part of antioxidant,
0.8 part of antifoaming agent, 80 parts of deionized water.
Wherein, the sour agent is one or more in citric acid, glacial acetic acid, sulfamic acid.
Wherein, the plasticizer is mixed by weight 1: 2 by diisooctyl phthalate and diisooctyl phthalate
It closes.
In the present embodiment, the preparation method of the composite denaturation cornstarch emulsion, steps are as follows：
1) cornstarch, glutinous rice flour, polyvinyl alcohol and rosin are mixed, deionized water is added, stirs evenly, is warming up to
60 DEG C, 8min is stood, mixed liquor I is obtained after cooling；
2) sour agent is added dropwise in the mixed liquor I obtained into step 1), stirs simultaneously, is warming up to 40 DEG C, reacts 20min, then drip
Glycerol adding and sodium alginate stir evenly, and refrigerate 2h after the completion, obtain mixed liquor I I；
3) plasticizer, antioxidant and antifoaming agent is added in the mixed liquor I I obtained to step 3), in turning for 800r/min
Under speed, 30min is stirred, stands 10min, obtains mixed liquor I II；
The mixed liquor I II that step 3) obtains is concentrated under vacuum conditions, 20 DEG C of thickening temperature, until mixed liquor
III weight reach before concentration 1/2 to get lotion.
Embodiment 2
A kind of composite denaturation cornstarch emulsion, including below according to the raw material of parts by weight：35 parts of cornstarch, glutinous rice flour
12 parts, it is 18 parts of polyvinyl alcohol, 7 parts of rosin, sour 7 parts of agent, 4.5 parts of sodium alginate, 2.7 parts of glycerine, 2.5 parts of plasticizer, anti-oxidant
1.7 parts of agent, 1.3 parts of antifoaming agent, 95 parts of deionized water.
Wherein, the sour agent is one or more in citric acid, glacial acetic acid, sulfamic acid.
Wherein, the plasticizer is mixed by weight 1: 2 by diisooctyl phthalate and diisooctyl phthalate
It closes.
In the present embodiment, the preparation method of the composite denaturation cornstarch emulsion, steps are as follows：
1) cornstarch, glutinous rice flour, polyvinyl alcohol and rosin are mixed, deionized water is added, stirs evenly, is warming up to
70 DEG C, 9min is stood, mixed liquor I is obtained after cooling；
2) sour agent is added dropwise in the mixed liquor I obtained into step 1), stirs simultaneously, is warming up to 50 DEG C, reacts 25min, then drip
Glycerol adding and sodium alginate stir evenly, and refrigerate 2.5h after the completion, obtain mixed liquor I I；
3) plasticizer, antioxidant and antifoaming agent is added in the mixed liquor I I obtained to step 3), in turning for 900r/min
Under speed, 40min is stirred, stands 12min, obtains mixed liquor I II；
4) the mixed liquor I II that step 3) obtains is concentrated under vacuum conditions, 25 DEG C of thickening temperature, until mixed liquor
III weight reach before concentration 7/12 to get lotion.
Embodiment 3
A kind of composite denaturation cornstarch emulsion, including below according to the raw material of parts by weight：40 parts of cornstarch, glutinous rice flour
15 parts, 20 parts of polyvinyl alcohol, 8 parts of rosin, sour 6 parts of agent, 4 parts of sodium alginate, 2.5 parts of glycerine, 2 parts of plasticizer, antioxidant 1.5
Part, 1.2 parts of antifoaming agent, 90 parts of deionized water.
Wherein, the sour agent is one or more in citric acid, glacial acetic acid, sulfamic acid.
Wherein, the plasticizer is mixed by weight 1: 2 by diisooctyl phthalate and diisooctyl phthalate
It closes.
In the present embodiment, the preparation method of the composite denaturation cornstarch emulsion, steps are as follows：
1) cornstarch, glutinous rice flour, polyvinyl alcohol and rosin are mixed, deionized water is added, stirs evenly, is warming up to
70 DEG C, 9min is stood, mixed liquor I is obtained after cooling；
2) sour agent is added dropwise in the mixed liquor I obtained into step 1), stirs simultaneously, is warming up to 50 DEG C, reacts 25min, then drip
Glycerol adding and sodium alginate stir evenly, and refrigerate 2.5h after the completion, obtain mixed liquor I I；
3) plasticizer, antioxidant and antifoaming agent is added in the mixed liquor I I obtained to step 3), in turning for 900r/min
Under speed, 40min is stirred, stands 12min, obtains mixed liquor I II；
4) the mixed liquor I II that step 3) obtains is concentrated under vacuum conditions, 25 DEG C of thickening temperature, until mixed liquor
III weight reach before concentration 7/12 to get lotion.
Embodiment 4
A kind of composite denaturation cornstarch emulsion, including below according to the raw material of parts by weight：45 parts of cornstarch, glutinous rice flour
18 parts, it is 22 parts of polyvinyl alcohol, 9 parts of rosin, sour 6 parts of agent, 3.5 parts of sodium alginate, 2.2 parts of glycerine, 1.5 parts of plasticizer, anti-oxidant
1.3 parts of agent, 1 part of antifoaming agent, 85 parts of deionized water.
Wherein, the sour agent is one or more in citric acid, glacial acetic acid, sulfamic acid.
Wherein, the plasticizer is mixed by weight 1: 2 by diisooctyl phthalate and diisooctyl phthalate
It closes.
In the present embodiment, the preparation method of the composite denaturation cornstarch emulsion, steps are as follows：
1) cornstarch, glutinous rice flour, polyvinyl alcohol and rosin are mixed, deionized water is added, stirs evenly, is warming up to
70 DEG C, 9min is stood, mixed liquor I is obtained after cooling；
2) sour agent is added dropwise in the mixed liquor I obtained into step 1), stirs simultaneously, is warming up to 50 DEG C, reacts 25min, then drip
Glycerol adding and sodium alginate stir evenly, and refrigerate 2.5h after the completion, obtain mixed liquor I I；
3) plasticizer, antioxidant and antifoaming agent is added in the mixed liquor I I obtained to step 3), in turning for 900r/min
Under speed, 40min is stirred, stands 12min, obtains mixed liquor I II；
4) the mixed liquor I II that step 3) obtains is concentrated under vacuum conditions, 25 DEG C of thickening temperature, until mixed liquor
III weight reach before concentration 7/12 to get lotion.
Embodiment 5
A kind of composite denaturation cornstarch emulsion, including below according to the raw material of parts by weight：50 parts of cornstarch, glutinous rice flour
20 parts, 25 parts of polyvinyl alcohol, 10 parts of rosin, sour 8 parts of agent, 5 parts of sodium alginate, 3 parts of glycerine, 3 parts of plasticizer, 2 parts of antioxidant,
1.5 parts of antifoaming agent, 100 parts of deionized water.
Wherein, the sour agent is one or more in citric acid, glacial acetic acid, sulfamic acid.
Wherein, the plasticizer is mixed by weight 1: 2 by diisooctyl phthalate and diisooctyl phthalate
It closes.
In the present embodiment, the preparation method of the composite denaturation cornstarch emulsion, steps are as follows：
1) cornstarch, glutinous rice flour, polyvinyl alcohol and rosin are mixed, deionized water is added, stirs evenly, is warming up to
80 DEG C, 10min is stood, mixed liquor I is obtained after cooling；
2) sour agent is added dropwise in the mixed liquor I obtained into step 1), stirs simultaneously, is warming up to 60 DEG C, reacts 30min, then drip
Glycerol adding and sodium alginate stir evenly, and refrigerate 3h after the completion, obtain mixed liquor I I；
3) plasticizer, antioxidant and antifoaming agent is added in the mixed liquor I I obtained to step 3), in turning for 1000r/min
Under speed, 50min is stirred, stands 15min, obtains mixed liquor I II；
4) the mixed liquor I II that step 3) obtains is concentrated under vacuum conditions, 30 DEG C of thickening temperature, until mixed liquor
III weight reach before concentration 2/3 to get lotion.
Comparative example 1
Compared with Example 3, rosin is free of, other are same as Example 3.
Comparative example 2
Compared with Example 3, glycerine is free of, other are same as Example 3.
Comparative example 3
Compared with Example 3, rosin and rosin are free of, other are same as Example 3.
Lotion prepared by embodiment 1-5 and comparative example 1-3 is tested for the property, test result is as shown in table 1.
Table 1
From can be seen that the lotion of the invention prepared in result above under the common mating reaction of various raw materials, bond
Speed is fast, and the adhesive strength after solidification is high；During the lotion prepared using the present invention is used as the Wood products of adhesive
Harmful substance will not be distributed, avoids being harmful to health.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (7)
1. a kind of composite denaturation cornstarch emulsion, which is characterized in that including below according to the raw material of parts by weight：Cornstarch
30-50 parts, 10-20 parts of glutinous rice flour, 15-25 parts of polyvinyl alcohol, 5-10 parts of rosin, sour 5-8 parts of agent, 3-5 parts of sodium alginate, glycerine
2-3 parts, 1-3 parts of plasticizer, 1-2 parts of antioxidant, 0.8-1.5 parts of antifoaming agent, 80-100 parts of deionized water.
2. composite denaturation cornstarch emulsion according to claim 1, which is characterized in that including below according to parts by weight
Raw material：35-45 parts of cornstarch, 12-18 parts of glutinous rice flour, 18-22 parts of polyvinyl alcohol, 7-9 parts of rosin, sour 6-7 parts of agent, alginic acid
3.5-4.5 parts of sodium, 1.5-2.5 parts of plasticizer, 1.3-1.7 parts of antioxidant, 1-1.3 parts of antifoaming agent, is gone 2.2-2.7 parts of glycerine
85-95 parts of ionized water.
3. composite denaturation cornstarch emulsion according to claim 2, which is characterized in that including below according to parts by weight
Raw material：40 parts of cornstarch, 15 parts of glutinous rice flour, 20 parts of polyvinyl alcohol, 8 parts of rosin, sour 6 parts of agent, 4 parts of sodium alginate, glycerine 2.5
Part, 2 parts of plasticizer, 1.5 parts of antioxidant, 1.2 parts of antifoaming agent, 90 parts of deionized water.
4. composite denaturation cornstarch emulsion according to claim 1, which is characterized in that the acid agent is citric acid, ice
It is one or more in acetic acid, sulfamic acid.
5. composite denaturation cornstarch emulsion according to claim 1, which is characterized in that the plasticizer is by O-phthalic
Sour diisodecyl ester and diisooctyl phthalate are mixed by weight 1: 2.
6. a kind of preparation method of composite denaturation cornstarch emulsion according to any one of claims 1 to 5, which is characterized in that packet
Include following steps：
1) cornstarch, glutinous rice flour, polyvinyl alcohol and rosin are mixed, deionized water is added, stirs evenly, is warming up to 60-80
DEG C, 8-10min is stood, mixed liquor I is obtained after cooling；
2) sour agent is added dropwise in the mixed liquor I obtained into step 1), stirs simultaneously, is warming up to 40-60 DEG C, reacts 20-30min, then
Glycerine and sodium alginate is added dropwise, stirs evenly, refrigerates 2-3h after the completion, obtains mixed liquor I I；
3) plasticizer, antioxidant and antifoaming agent is added in the mixed liquor I I obtained to step 3), in turning for 800-1000r/min
Under speed, 30-50min is stirred, stands 10-15min, obtains mixed liquor I II；
4) the mixed liquor I II that step 3) obtains is concentrated under vacuum conditions, 20-30 DEG C of thickening temperature, until mixed liquor
III weight reaches the 1/2-2/3 before concentration to get lotion.
7. a kind of application of lotion according to any one of claims 1 to 5 in adhesive field.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810686446.2A CN108795321A (en) | 2018-06-20 | 2018-06-20 | A kind of composite denaturation cornstarch emulsion and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810686446.2A CN108795321A (en) | 2018-06-20 | 2018-06-20 | A kind of composite denaturation cornstarch emulsion and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103773276A (en) * | 2014-01-16 | 2014-05-07 | 常州大学 | Preparation method for environment-friendly starch cigarette adhesive |
| CN105694758A (en) * | 2016-03-22 | 2016-06-22 | 江苏祥豪实业有限公司 | Novel biological modified adhesive material for artificial board |
| CN108018005A (en) * | 2017-12-13 | 2018-05-11 | 王葱芽 | The starch adhesive of rosin thickening |
-
2018
- 2018-06-20 CN CN201810686446.2A patent/CN108795321A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103773276A (en) * | 2014-01-16 | 2014-05-07 | 常州大学 | Preparation method for environment-friendly starch cigarette adhesive |
| CN105694758A (en) * | 2016-03-22 | 2016-06-22 | 江苏祥豪实业有限公司 | Novel biological modified adhesive material for artificial board |
| CN108018005A (en) * | 2017-12-13 | 2018-05-11 | 王葱芽 | The starch adhesive of rosin thickening |
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Address after: 277400 Residence of Malantun Town, Taierzhuang District, Zaozhuang City, Shandong Province Applicant after: Shandong Shenzhou Xiangyu Science and Technology Group Co., Ltd. Address before: 277400 Residence of Malantun Town, Taierzhuang District, Zaozhuang City, Shandong Province Applicant before: Shandong Shenzhou Xiangyu Technology Group Co., Ltd. |
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