CN106543945A - One kind is without aldehyde double-component straw environment protection adhesive and preparation method thereof - Google Patents
One kind is without aldehyde double-component straw environment protection adhesive and preparation method thereof Download PDFInfo
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- CN106543945A CN106543945A CN201510598096.0A CN201510598096A CN106543945A CN 106543945 A CN106543945 A CN 106543945A CN 201510598096 A CN201510598096 A CN 201510598096A CN 106543945 A CN106543945 A CN 106543945A
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Abstract
Entitled one kind of the present invention is without aldehyde double-component straw environment protection adhesive and preparation method thereof.Belong to double-component chemical modification powder of straw field of environment protection.It mainly solves the problems, such as existing use two component release harmful gass.It is mainly characterized by：Comprising host component：55% ~ 60%Wt is at least containing 90% powder of straw, 0% ~ 30%Wt vinyl monomers, 0% ~ 10%Wt toughener, 0.2% ~ 4.0%Wt peroxide, 0% ~ 1% stabilizer, 0% ~ 40%Wt inorganic fillers；Curing agent component：45% ~ 95%Wt at least contains effective Carbimide. 25-30% contents；Host and firming agent proportioning are 1:0.1-0.3.The present invention have low viscosity, easy processing and it is nontoxic the characteristics of, be widely used in Furniture manufacture.
Description
Technical field
The invention belongs to double-component modified straw powder non-formaldehyde wood adhesive technical field, and in particular to a kind of excellent performance, nothing has double-component straw environment protection adhesive of formaldehyde components and preparation method thereof.
Background technology
China's Wood-based Panel Production overwhelming majority is applied on Furniture manufacture and interior decoration, and adhesive used by the manufacture of all kinds of indoor type wood-based plates is mainly urea-formaldehyde resin adhesive, the high problem of generally existing free formaldehyde release.As the product that manufactured using urea-formaldehyde resin adhesive can continuously release formaldehyde, formaldehyde is the toxic gas with intense irritation, it not only pollutes environment, and the organ such as the eye to people, nose, larynx has strong impulse, causes pulmonary function, liver function, immunologic dysfunction.Therefore the pollution of urea-formaldehyde resin adhesive free formaldehyde and harm problem receive much concern.Specify for this in the world, building industry using wood-based plate have to comply with E1 level standards.
Lived in the formaldehyde pollution environment of high concentration for a long time, various diseases can be produced, such as throat inflammation damages respiratory tract, and serious can be carcinogenic, is living environment：" Health Killer ".Nearest authoritative inquiry shows, in the city of China, after " coal smoke type ", " photochemical fog type " pollution, modern falls into the third party's pollution period in " room air pollution ", and cause room air pollution most serious is adhesive, wood-based plate, coating successively, therefore developing environment-friendly adhesive has become inevitable trend, becomes the new focus in Study on Adhesive field.
The content of the invention
A kind of toxicity that the present invention is produced to human body for Form aldehyde release, there is provided the double-component chemical modification powder of straw non-formaldehyde wood adhesive of excellent performance.
Technical specification and performance requirement of the country to wood adhesive are not only reached with the wood adhesive that the present invention is prepared, and production unit need not be changed in equipment, technological parameter the same terms produce up to the timber-work of national standard.A further object of the present invention is to provide a kind of method for preparing above-mentioned double-component chemical modification powder of straw non-formaldehyde wood adhesive.
The present invention technical solution be：A kind of double-component modified straw powder non-formaldehyde wood adhesive, it is characterised in that：
（1）Host component：Powder of straw is at least containing 90% chemical modification straw monomer, 0% ~ 30%Wt vinyl monomers, 0% ~ 10%Wt toughener, 0.2% ~ 4.0%Wt peroxide, 0% ~ 1% stabilizer, 0% ~ 30%Wt inorganic fillers；
（2）Curing agent component：40% ~ 90%Wt at least contains effective Carbimide. 25-30% contents；
（1）Host and firming agent proportioning are 1:0.1-0.3.
Toughener described in the technical solution of the present invention is Petropols, makes dimethyl phthalate or its mixture.
Inorganic filler described in the technical solution of the present invention is Kaolin, aluminium silicate.
Vinyl monomer described in the technical solution of the present invention is VAM, styrene monomer, acrylamide, acrylic monomerss or its mixture.
Firming agent described in the technical solution of the present invention is polymer MDI compounds, its effective Carbimide. 25-30% content.
Peroxide described in the technical solution of the present invention is hydroperoxide type compound, diacyl peroxide class compound or its mixture.
Powder of straw described in the technical solution of present invention mechanical activation under 120-140 DEG C of high temperature, their crystalline texture are destroyed, and are transformed into amorphous state by polycrystalline state；, from irregular bulky grain structure to the aggregation reunited by numerous fine particles, soak time is longer, and the apparent viscosity of powder of straw is lower, with good mobility for the granule-morphology of powder of straw.
The product of Jing mechanical activations and chemical modification described in the technical solution of the present invention, can obtain>50% high solids content, the low viscosity of 300mPa..S, highly active powder of straw product.
The present invention prepares the method for double-component modified straw powder non-formaldehyde wood adhesive：It is characterized in that the product of described Jing mechanical activations and chemical modification, can obtain>50% high solids content, the low viscosity of 300mPa..S, highly active powder of straw product vinyl monomer is VAM, styrene monomer, acrylamide, acrylic monomerss or its mixture, and the firming agent described in 0% ~ 30%Wt is polymer MDI compounds, its effective Carbimide. 25-30% content；0% ~ 30%Wt inorganic fillers are Kaolin, aluminium silicate；0% ~ 30%Wt toughener is Petropols, makes dimethyl phthalate or its mixture；Preparation method：In powder of straw reactor of the input equipped with steel ball, 2 ~ 4h is stirred under high temperature, it is allowed to uniformly amorphous state powder of straw, product is put in reactor again, adding water makes into 45% ~ 55Wt straw slurries, add 0.3%-0.8% powder of straw enzymes, lower treatment temperature 80-90 DEG C of stirring, process time 30-60min, the chemical modification powder of straw product of high reaction activity is obtained, 0-20% vinyl monomers are then put into, the hydroperoxide type compound of 0.1-3.0% reacts 1-2h in 50-70 DEG C, 0% ~ 30%Wt inorganic fillers are put into again, and 10 ~ 20min is stirred under room temperature.
The present invention is destroyed by corn stalk powder mechanical activation under 120-140 DEG C of high temperature, their crystalline texture, is transformed into amorphous state by polycrystalline state；, from irregular bulky grain structure to the aggregation reunited by numerous fine particles, soak time is longer, and the apparent viscosity of powder of straw is lower, with good mobility for the granule-morphology of powder of straw.The product of Jing mechanical activations and chemical modification, can obtain>50% high solids content, the low viscosity of 300mPa..S, highly active powder of straw product.The composite can be widely applied to Furniture manufacture and interior decoration etc..
Specific embodiment
Following enforcement and comparative example will be described in greater detail the present invention, but the present invention is not limited to this.
Embodiment 1：
Proportioning
Corn stalk powder
55%Wt
Powder of straw enzyme 0.5%Wt
Vinyl acetate 10%Wt
Butyl methacrylate 5%Wt
Dicumyl peroxide 0.5%Wt
Preparation method：
Host preparation method：In powder of straw reactor of the input equipped with steel ball, 2 ~ 4h is stirred under high temperature, it is allowed to uniformly amorphous state powder of straw, product is put in reactor again, adding water makes into 45% ~ 55Wt straw slurries, add 0.3%-0.8% powder of straw enzymes, lower treatment temperature 80-90 DEG C of stirring, process time 30-60min, the chemical modification powder of straw product of high reaction activity is obtained, 0-20% vinyl monomers are then put into, the hydroperoxide type compound of 0.1-3.0% reacts 1-2h in 50-70 DEG C, 0% ~ 30%Wt inorganic fillers are put into again, and 10 ~ 20min is stirred under room temperature.
Firming agent：The polymer grade MDI produced by Yantai Wan Hua companies：80%Wt, 30%Wt toughener is Petropols, dimethyl phthalate or its mixture, in input reactor, stirs 2h, make uniform liquid under room temperature.
During use, host and firming agent proportioning are 1:0.2
Performance test：Free formaldehyde is not detected, surface bonding intensity>1.15Mpa, dipping and stripping intensity<20Mpa
Embodiment 2：
Corn stalk powder
55%Wt
Powder of straw enzyme 0.5%Wt
Butyl acrylate
10%Wt
Styrene
5%Wt
Dicumyl peroxide
0.5%Wt
Host preparation method：In powder of straw reactor of the input equipped with steel ball, 2 ~ 4h is stirred under high temperature, it is allowed to uniformly amorphous state powder of straw, product is put in reactor again, adding water makes into 45% ~ 55Wt straw slurries, add 0.3%-0.8% powder of straw enzymes, lower treatment temperature 80-90 DEG C of stirring, process time 30-60min, the chemical modification powder of straw product of high reaction activity is obtained, 0-20% vinyl monomers are then put into, the hydroperoxide type compound of 0.1-3.0% reacts 1-2h in 50-70 DEG C, 0% ~ 30%Wt inorganic fillers are put into again, and 10 ~ 20min is stirred under room temperature.
Firming agent：The polymer grade MDI produced by Yantai Wan Hua companies：80%Wt, 30%Wt toughener is Petropols, dimethyl phthalate or its mixture, in input reactor, stirs 2h, make uniform liquid under room temperature.
During use, host and firming agent proportioning are 1:0.2
Performance test：Free formaldehyde is not detected, surface bonding intensity>0.98Mpa, dipping and stripping intensity<22Mpa
Embodiment 3：
Corn stalk powder
55%Wt
Powder of straw enzyme 0.5%Wt
Styrene 10%Wt
Acrylamide 5%Wt
Cumyl peroxide
0.5%Wt
Host preparation method：
In powder of straw reactor of the input equipped with steel ball, 2 ~ 4h is stirred under high temperature, it is allowed to uniformly amorphous state powder of straw, product is put in reactor again, adding water makes into 45% ~ 55Wt straw slurries, add 0.3%-0.8% powder of straw enzymes, lower treatment temperature 80-90 DEG C of stirring, process time 30-60min, the chemical modification powder of straw product of high reaction activity is obtained, 0-20% vinyl monomers are then put into, the hydroperoxide type compound of 0.1-3.0% reacts 1-2h in 50-70 DEG C, 0% ~ 30%Wt inorganic fillers are put into again, and 10 ~ 20min is stirred under room temperature.
Firming agent：The polymer grade MDI produced by Yantai Wan Hua companies：80%Wt, 30%Wt toughener is Petropols, dimethyl phthalate or its mixture, in input reactor, stirs 2h, make uniform liquid under room temperature.
During use, host and firming agent proportioning are 1:0.2
Performance test：Free formaldehyde is not detected, surface bonding intensity>1.02Mpa, dipping and stripping intensity<20Mpa
Embodiment 4：
Corn stalk powder
55%Wt
Powder of straw enzyme 0.5%Wt
Vinyl acetate
10%Wt
Butyl acrylate
5%Wt
Cumyl peroxide
0.5%Wt
Host preparation method：
In powder of straw reactor of the input equipped with steel ball, 2 ~ 4h is stirred under high temperature, it is allowed to uniformly amorphous state powder of straw, product is put in reactor again, adding water makes into 45% ~ 55Wt straw slurries, add 0.3%-0.8% powder of straw enzymes, lower treatment temperature 80-90 DEG C of stirring, process time 30-60min, the chemical modification powder of straw product of high reaction activity is obtained, 0-20% vinyl monomers are then put into, the hydroperoxide type compound of 0.1-3.0% reacts 1-2h in 50-70 DEG C, 0% ~ 30%Wt inorganic fillers are put into again, and 10 ~ 20min is stirred under room temperature.
Firming agent：The polymer grade MDI produced by Yantai Wan Hua companies：80%Wt, 30%Wt toughener is Petropols, dimethyl phthalate or its mixture, in input reactor, stirs 2h, make uniform liquid under room temperature.
During use, host and firming agent proportioning are 1:0.3
Performance test：Free formaldehyde is not detected, surface bonding intensity>1.25Mpa, dipping and stripping intensity<10Mpa.
Claims (9)
1. one kind is without aldehyde double-component straw environment protection adhesive, it is characterised in that：
Host component：55% ~ 60%Wt is at least containing 90% fibrous straw powder, 0% ~ 30%Wt vinyl monomers, 0% ~ 10%Wt toughener, 0.2% ~ 4.0%Wt peroxide, 0% ~ 11% stabilizer, 0% ~ 40%Wt inorganic fillers；
Curing agent component：45% ~ 95%Wt at least contains effective Carbimide. 25-30% contents；
Host and firming agent proportioning are 1:0.1-0.3.
2. one kind according to claim 1 and 2 is without aldehyde double-component straw environment protection adhesive, it is characterised in that：Described vinyl monomer is VAM, styrene monomer, acrylamide, acrylic monomerss or its mixture.
3. one kind according to claim 1 and 2 is without aldehyde double-component straw environment protection adhesive, it is characterised in that：Described peroxide is hydroperoxide type compound, diacyl peroxide class compound or its mixture.
4. one kind according to claim 1 and 2 is without aldehyde double-component straw environment protection adhesive, it is characterised in that：Described toughener is Petropols, makes dimethyl phthalate or its mixture.
5. one kind according to claim 1 and 2 is without aldehyde double-component straw environment protection adhesive, it is characterised in that：Described inorganic filler is Kaolin, aluminium silicate.
6. the one kind according to belonging to claim 1 is without aldehyde double-component straw environment protection adhesive, it is characterised in that：Described powder of straw mechanical activation under 130-150 DEG C of high temperature, their crystalline texture are destroyed, and are transformed into amorphous state by polycrystalline state；, from irregular bulky grain structure to the aggregation reunited by numerous fine particles, soak time is longer, and the apparent viscosity of powder of straw is lower, with good mobility for the granule-morphology of powder of straw.
7. one kind according to claim 1 and 2 is without aldehyde double-component straw environment protection adhesive, it is characterised in that：The product of described Jing mechanical activations and chemical modification, can obtain>50% high solids content, the low viscosity of 300mPa..S, highly active powder of straw product.
8. one kind according to claim 1 and 2 is without aldehyde double-component straw environment protection adhesive, it is characterised in that：Described firming agent is polymer MDI compounds, its effective Carbimide. 25-30% content.
9. a kind of for preparing the manufacture method without aldehyde double-component straw environment protection adhesive described in claim 1, it is characterised in that：The product of described Jing mechanical activations and chemical modification, can obtain>50% high solids content, the low viscosity of 300mPa..S, highly active powder of straw product vinyl monomer is VAM, styrene monomer, acrylamide, acrylic monomerss or its mixture, and the firming agent described in 0% ~ 45%Wt is polymer MDI compounds, its effective Carbimide. 25-30% content；0% ~ 40%Wt inorganic fillers are Kaolin, aluminium silicate；0% ~ 30%Wt toughener is Petropols, makes dimethyl phthalate or its mixture；Preparation method：In powder of straw reactor of the input equipped with steel ball, 2 ~ 4h is stirred under high temperature, it is allowed to uniformly amorphous state powder of straw, product is put in reactor again, adding water makes into 45% ~ 55Wt straw slurries, add 0.3%-0.8% straw enzymes, lower treatment temperature 80-90 DEG C of stirring, process time 30-60min, the chemical modification powder of straw product of high reaction activity is obtained, 0-20% vinyl monomers are then put into, the hydroperoxide type compound of 0.1-3.0% reacts 1-2h in 50-70 DEG C, 0% ~ 30%Wt inorganic fillers are put into again, and 10 ~ 20min is stirred under room temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510598096.0A CN106543945A (en) | 2015-09-18 | 2015-09-18 | One kind is without aldehyde double-component straw environment protection adhesive and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510598096.0A CN106543945A (en) | 2015-09-18 | 2015-09-18 | One kind is without aldehyde double-component straw environment protection adhesive and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106543945A true CN106543945A (en) | 2017-03-29 |
Family
ID=58362196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510598096.0A Pending CN106543945A (en) | 2015-09-18 | 2015-09-18 | One kind is without aldehyde double-component straw environment protection adhesive and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106543945A (en) |
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2015
- 2015-09-18 CN CN201510598096.0A patent/CN106543945A/en active Pending
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| PB01 | Publication | ||
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Application publication date: 20170329 |