CN106543938A - A kind of double-component chemical modification straw aldehyde-free cement and preparation method thereof - Google Patents

A kind of double-component chemical modification straw aldehyde-free cement and preparation method thereof Download PDF

Info

Publication number
CN106543938A
CN106543938A CN201510606502.3A CN201510606502A CN106543938A CN 106543938 A CN106543938 A CN 106543938A CN 201510606502 A CN201510606502 A CN 201510606502A CN 106543938 A CN106543938 A CN 106543938A
Authority
CN
China
Prior art keywords
straw
powder
double
wood adhesive
formaldehyde
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510606502.3A
Other languages
Chinese (zh)
Inventor
马海清
刘刚
林航
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Heilongjiang Xinda Enterprise Group Co Ltd
Original Assignee
Heilongjiang Xinda Enterprise Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Heilongjiang Xinda Enterprise Group Co Ltd filed Critical Heilongjiang Xinda Enterprise Group Co Ltd
Priority to CN201510606502.3A priority Critical patent/CN106543938A/en
Publication of CN106543938A publication Critical patent/CN106543938A/en
Pending legal-status Critical Current

Links

Abstract

Entitled double-component modified straw powder non-formaldehyde wood adhesive of the present invention and preparation method thereof.Belong to double-component chemical modification powder of straw non-formaldehyde wood adhesive technical field.It mainly solves the problems, such as that the product of existing use urea-formaldehyde resin adhesive manufacture can continuously discharge formaldehyde.It is mainly characterized by:Comprising host component:45% ~ 55%Wt is at least containing 90% chemical modification powder of straw monomer, 0% ~ 20%Wt vinyl monomers, 0% ~ 5%Wt toughener, 0.1% ~ 3.0%Wt peroxide, 0% ~ 1% stabilizer, 0% ~ 30%Wt inorganic fillers;Curing agent component:40% ~ 90%Wt at least contains effective Carbimide. 25-30% contents;Host and firming agent proportioning are 1:0.1-0.3.The present invention have high solids content, low viscosity, high activity and it is nontoxic the characteristics of, be widely used in Furniture manufacture and interior decoration etc..

Description

A kind of double-component chemical modification straw aldehyde-free cement and preparation method thereof
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 modified straw powder non-formaldehyde wood 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:45% ~ 55%Wt is at least containing 90% chemical modification powder of straw monomer, 0% ~ 20%Wt vinyl monomers, 0% ~ 5%Wt toughener, 0.1% ~ 3.0%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.
Corn stalk powder 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.
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.
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.
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. a kind of double-component modified straw powder non-formaldehyde wood adhesive, it is characterised in that:
Host component:45% ~ 55%Wt is at least containing 90% chemical modification powder of straw monomer, 0% ~ 20%Wt vinyl monomers, 0% ~ 5%Wt toughener, 0.1% ~ 3.0%Wt peroxide, 0% ~ 1% stabilizer, 0% ~ 30%Wt inorganic fillers;
Curing agent component:40% ~ 90%Wt at least contains effective Carbimide. 25-30% contents;
Host and firming agent proportioning are 1:0.1-0.3.
2. a kind of double-component modified straw powder non-formaldehyde wood adhesive according to belonging to claim 1, it is characterised in that:Described corn stalk powder 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.
3. a kind of double-component modified straw powder non-formaldehyde wood adhesive according to claim 1 and 2, 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.
4. a kind of double-component modified straw powder non-formaldehyde wood adhesive according to claim 1 and 2, it is characterised in that:Described vinyl monomer is VAM, styrene monomer, acrylamide, acrylic monomerss or its mixture.
5. a kind of double-component modified straw powder non-formaldehyde wood adhesive according to claim 1 and 2, it is characterised in that:Described firming agent is polymer MDI compounds, its effective Carbimide. 25-30% content.
6. a kind of double-component modified straw powder non-formaldehyde wood adhesive according to claim 1 and 2, it is characterised in that:Described peroxide is hydroperoxide type compound, diacyl peroxide class compound or its mixture.
7. a kind of double-component modified straw powder non-formaldehyde wood adhesive according to claim 1 and 2, it is characterised in that:Described toughener is Petropols, makes dimethyl phthalate or its mixture.
8. a kind of double-component modified straw powder non-formaldehyde wood adhesive according to claim 1 and 2, it is characterised in that:Described inorganic filler is Kaolin, aluminium silicate.
9. a kind of manufacture method for preparing the double-component modified straw powder non-formaldehyde wood 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% ~ 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.
CN201510606502.3A 2015-09-22 2015-09-22 A kind of double-component chemical modification straw aldehyde-free cement and preparation method thereof Pending CN106543938A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510606502.3A CN106543938A (en) 2015-09-22 2015-09-22 A kind of double-component chemical modification straw aldehyde-free cement and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510606502.3A CN106543938A (en) 2015-09-22 2015-09-22 A kind of double-component chemical modification straw aldehyde-free cement and preparation method thereof

Publications (1)

Publication Number Publication Date
CN106543938A true CN106543938A (en) 2017-03-29

Family

ID=58364683

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510606502.3A Pending CN106543938A (en) 2015-09-22 2015-09-22 A kind of double-component chemical modification straw aldehyde-free cement and preparation method thereof

Country Status (1)

Country Link
CN (1) CN106543938A (en)

Similar Documents

Publication Publication Date Title
CN105504618B (en) A kind of polyvinyl alcohol-chitosan-graphene oxide sponge and preparation method thereof
CN105331279B (en) A kind of waterborne UV coating and preparation method thereof
TW200720347A (en) Water-absorbent agent composition and method for manufacturing the same
RU2010107039A (en) CEMENT COMPOSITIONS WITH HIGH PHOTOCATALYTIC ACTIVITY AND IMPROVED RHEOLOGY
CN107118648A (en) A kind of new type environment friendly coating and preparation method thereof
CN108913064A (en) A kind of no-formaldehyde adhesive based on acrylates
CN106497286A (en) A kind of metal anti-corrosive paint
CN105417986A (en) Early-strength waterproof agent for ordinary Portland cement
CN110172296A (en) A kind of production method of Environmental-protecwaterproof waterproof paint
CN106565140A (en) Hemp fiber enhanced diatom ooze environment-friendly material and preparation method thereof
CN108285759A (en) Antibacterial high viscous waterproof white glue with vinyl of a kind of environment friendly mildew resistant and preparation method thereof
CN107163765A (en) A kind of water-fast building materials coating
CN105368326B (en) A kind of fireproof gum and preparation method thereof
CN106543938A (en) A kind of double-component chemical modification straw aldehyde-free cement and preparation method thereof
CN106543945A (en) One kind is without aldehyde double-component straw environment protection adhesive and preparation method thereof
CN110157300A (en) Graphene is modified double antiseptic powder coating
CN1151212C (en) Antirust insulating water paint of acrylic resin and its preparing process
CN107652923A (en) One kind is without aldehyde building adhesive and preparation method thereof
CN106398602B (en) A kind of antistatic high-adhesive acrylate adhesive and its preparation process
CN102250568A (en) Dual-component modified starch formaldehyde-flee wood adhesive and preparation method thereof
CN111609223B (en) PE high-pressure water supply pipe and preparation method thereof
CN107573749A (en) A kind of wall decoration composition
CN106147669A (en) A kind of composite board adhesive of suppression formaldehyde capable of purifying air
CN103242657B (en) A kind of Kapton preparation method
CN103497704B (en) A kind of chloroprene rubber adhesive agent and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20170329

WD01 Invention patent application deemed withdrawn after publication