CN103275644A - Filler of wood industry adhesive and detection method of filler - Google Patents
Filler of wood industry adhesive and detection method of filler Download PDFInfo
- Publication number
- CN103275644A CN103275644A CN2013102525391A CN201310252539A CN103275644A CN 103275644 A CN103275644 A CN 103275644A CN 2013102525391 A CN2013102525391 A CN 2013102525391A CN 201310252539 A CN201310252539 A CN 201310252539A CN 103275644 A CN103275644 A CN 103275644A
- Authority
- CN
- China
- Prior art keywords
- filler
- glue
- test
- wood chip
- flour
- 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.)
- Granted
Links
Landscapes
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention provides a filler of a wood industry adhesive and a detection method of the filler. The filler of the wood industry adhesive comprises the following raw materials: an auxiliary material, a filler, a thickening tackifier and a hydrophobing agent, wherein the auxiliary material comprises at least one of 40-75wt% of calcium carbonate, 30-50wt% of bentonite and 30-60wt% of kaolin; the filler comprises 10-35wt% of flour; the thickening tackifier comprises 2-10wt% of sodium carboxymethylcellulose or 2-4wt% of hydroxypropyl cellulose, and 0.3-3wt% of polyacrylamide; and the hydrophobing agent comprises 3-15wt% of stearic acid or 1-4wt% of silylation water-repellent powder. The detection method of the filler of the wood industry adhesive comprises three detection items, namely 1, a comparison method of filler water absorptivity, 2, permeable layer testing of blending glue prepared by the filler, and 3, a comparison testing method of initial viscosity of a plywood blending glue solution. The filler has the benefits that the filler partially replaces the original flour, so that the grain is saved, and the cost is lowered; the flour consumption is reduced by 90-70%; and the formula cost per weight unit is only 50-60% of that of the flour.
Description
Technical field
The present invention relates to a kind of filler and detection method thereof of Wood industry adhesive.
Background technology
Wood industry adhesive adds that by wood industry glue filler forms.Existing Wood industry adhesive is to use flour as filler, and the amount of filling of flour reaches 80% of tackiness agent weight at most, adds flour in tackiness agent, can be impermeable, can increase the density of glue, and can also increase the tack of glue.But flour is one of human important grain after all, therefore, the new filler of the alternative flour of exploitation Wood industry adhesive, just seeming is even more important with urgent.
Summary of the invention
Purpose of the present invention is filler and the detection method thereof that a kind of Wood industry adhesive will be provided, and it partly substitutes original flour, saves food, and reduces cost.
The present invention is achieved in that the filler of described a kind of Wood industry adhesive, and it is made up of following raw material:
Auxiliary material: calcium carbonate 40%-75% or wilkinite 30%-50% or kaolin 30%-60%, get a kind of at least;
Filler: flour 10%-35%;
Thickening tackifier: Xylo-Mucine 2%-10% or hydroxypropylcellulose 2%-4%, polyacrylamide 0.3%-3%;
Hydrophobizing agent: stearic acid 3-15% or silylation hydrophobic powder 1-4%;
Above raw material is weight percentage, and each weight percentages of components sum is 100%.
One of test item of the filler of a kind of Wood industry adhesive of the present invention, the filler water-absorbent compares:
1) is equipped with the test material
A. the filler of the present invention that will test and flour filler are respectively got 10 grams and are added 20 gram clear water respectively;
B. stir and respectively became paste liquid in 10 minutes;
2) test
A. test paper, get the 20cm*5cm specification paper slip several;
B. this paper slip is put on the 0.1% precision balance weighing platform;
The tester that c. will stir into paste drops in the paper slip upper end side by side, every paste liquid 0.5 gram;
D. paper slip horizontal pendulum among the step c is placed on adhesive tape sticking the test on the machine platform just, clips; Again platform is rotated into 60 ° of angles, and begins to record the time;
E. in one minute, write down each dropping liquid toward dirty length;
F. do 3-5 repetitions respectively, average;
G. this filler of reflection that all drip length is long is relatively poor to the adsorptive power ability of water, otherwise namely strong.
Two of the test item of the filler of a kind of Wood industry adhesive of the present invention adds the made allotment glue penetration layer test of filler:
1) will add the allotment glue of filler, and drop in respectively on the paper roll, attention will be dripped into hemispherical glue, prevents toward current downflow.
2) repeat 2-4 time at same model paper roll
3) respectively 15 minutes, 30 minutes, 60 minutes each time period, carefully raise ply of paper, calculate the number of plies of having permeated, average;
4) respectively allocate glue and how much penetrate ply of paper, can reflect the penetration degree of allotment glue on wood chip.
Three of the test item of the filler of a kind of Wood industry adhesive of the present invention, glued board allotment glue initial viscosity is relatively test:
1) preparation of wood chip:
It is some to choose the similar glued board wood chip of wood grain, surface flatness, and water content is below 13%, and it is standby to be cut into the 14cm*4cm wood chip;
2) be coated with the allotment glue
To be coated with allotment glue 0.02 gram on every square centimeter of wood chip, there is the allotment of different fillers glue to be coated on the described wood chip of step 1) single face respectively adding;
3) diminishing dries
Place the 20cm*20*5cm box to dry the wood chip that respectively scribbles the allotment glue;
4) divide several time period test initial viscositys
The invention has the beneficial effects as follows that behind adding calcium carbonate or wilkinite or kaolin and Xylo-Mucine or hydroxypropylcellulose and the polyacrylamide, water-intake rate far surpasses the water-intake rate of the pure flour of same units; Compare the pure flour of adding, the tackiness agent that the present invention produces has tangible thickening tackify effect; Hydrophobic substance and hydrophobic substance that the present invention adopts can make tackiness agent show splendid anti-permeability; Behind the wood chip gluing, make the glue overwhelming majority rest on wood chip surface rather than infiltrate through in the wood chip, be conducive to follow-up hot pressing process like this.Another remarkable beneficial effect of the present invention is: the flour consumption has reduced 90-70%, has only the 50-60% of flour with the formulation cost of weight unit.
Embodiment
Embodiment one
The filler of a kind of Wood industry adhesive of the present invention, get 712 kilograms in calcium carbonate, 180 kilograms in flour, 45 kilograms of Xylo-Mucines, 3 kilograms of polyacrylamides, 60 kilograms of stearic acid, below totally 1000 kilograms, after stirring, (1) adds 2500 kilograms of pure urea-formaldehyde glues, be deployed into 3500 kilograms of tackiness agent that are used for decorative sheet after stirring; (2) also can add 4000 kilograms of melamine modified urea-formaldehyde glues, be deployed into 5000 kilograms of tackiness agent that are used for building template after stirring.
Embodiment two
The filler of a kind of Wood industry adhesive of the present invention, get 500 kilograms of wilkinites, 207 kilograms of kaolin, 200 kilograms in flour, 30 kilograms of hydroxypropylcelluloses, 3 kilograms of polyacrylamides, 60 kilograms of stearic acid, below totally 1000 kilograms, after stirring, (1) adds 2500 kilograms of pure urea-formaldehyde glues, be deployed into 3500 kilograms of tackiness agent that are used for decorative sheet after stirring; (2) also can add 4000 kilograms of melamine modified urea-formaldehyde glues, be deployed into 5000 kilograms of tackiness agent that are used for building template after stirring.
Embodiment three
The filler of a kind of Wood industry adhesive of the present invention, get 500 kilograms of wilkinites, 207 kilograms of kaolin, 180 kilograms in flour, 50 kilograms of Xylo-Mucines, 3 kilograms of polyacrylamides, 60 kilograms of stearic acid, below totally 1000 kilograms, after stirring, (1) adds 2500 kilograms of pure urea-formaldehyde glues, be deployed into 3500 kilograms of tackiness agent that are used for decorative sheet after stirring; (2) also can add 4000 kilograms of melamine modified urea-formaldehyde glues, be deployed into 5000 kilograms of tackiness agent that are used for building template after stirring.
Below be single Wood industry adhesive of producing as filler with flour and the Wood industry adhesive of producing with filler of the present invention, its test result:
1. density
1) gets the pure glue of 100 grams and add 10 gram flour
2) get the pure glue of 100 grams and add 10 grams filler of the present invention
Stir after 15 minutes, test its density with the Tu Shi cup respectively
The result is: the 45s ± 1s that 1) only adds flour
2) add filler 60s ± 1s of the present invention
2. initial viscosity:
Coat the allotment glue that 0.02 gram only adds the allotment glue of flour and is added with filler of the present invention respectively with (total area is 14cm*4cm) on every square centimeter the wood chip area, after 20 minutes with Guangzhou Bai Chuan detecting instrument company limited product---adhesive tape just sticking test machine (model DE-3011) is tested its initial viscosity, and the result is:
Be coated with ball rolling time 75 ± 1s on the wood chip that only is added with flour allotment glue
Ball rolling time 76 ± 1s on the wood chip of the allotment glue that scribbles filler of the present invention
The result shows that the two does not have the significance difference.
3. glued board glues together intensity:
Be coated with bakelite sheet---the eucalyptus wood chip, Amount of spread 0.02 gram/cm2, layer of plywood layer in the nine periods, central four layers of applying glue, through hot pressing, cool off after 24 hours by glued board gummed strength test method (GB984612-1988 standard) test result and be:
Scribbling the bonding strength that only adds flour is: 0.75mpa
Scribbling the bonding strength that adds filler of the present invention is: 0.755mpa
The result shows that the two does not have the significance difference.
4, filler of the present invention and flour water-absorbent are relatively
1) test material preparation
2) test relatively
A. test paper is prepared, from an A4 paper get 20cm*5cm specification paper slip several;
B. this paper slip is placed on the balance weighing platform of 0.1% tolerance range;
C. paste liquid and the flour paste liquid with filler of the present invention drops in the paper slip upper end side by side, every paste liquid 0.5 gram;
D. paper slip horizontal pendulum in " c. " step is placed on the adhesive tape initial viscosity test machine platform, clips, again platform is rotated into 60 ° of angles;
E. in one fen clock time, write down the dirty length of two dropping liquids;
F. do 3-5 repetition respectively, average.
The result shows: the dirty length 3.1cm of paste liquid of filler of the present invention, the dirty length 4.8cm of flour paste liquid;
Reflect that the paste liquor ratio flour of filler of the present invention in equal water gaging is dense thick, that is to say that water-intake rate filler of the present invention is than flour filler height.
5, the saturating layer of filler of the present invention and flour filler relatively
1. get the raw materials ready
2. drip glue on toilet roll
The made allotment glue of filler of the present invention and the made allotment glue of flour are dropped in respectively above the paper roll, and each one of every volume drips four volumes (note: the dropping liquid size is identical as far as possible, prevents from flowing down);
3. observe:
Respectively 15 minutes, 30 minutes, 60 minutes, carefully raise ply of paper, calculate and respectively allocate glue and infiltrate through the paper roll paper number of plies, get each time period mean value;
4. the result shows:
15-30 minute time period: the made allotment glue of filler of the present invention oozes 1.5 layers, and the made allotment glue of flour filler oozes 1.5 layers;
60 minutes: the made allotment glue of filler of the present invention oozed 2.0 layers (mean values), and flour oozes 2.5 layers.
The made allotment glue of filler of the present invention penetrates ply of paper degree and flour allotment glue quite or is more smaller.
Through above-mentioned test: prove filler of the present invention fully can instead of pure flour for the filler of tackiness agent.
Below with regard to the detection method of three test items of the filler of a kind of Wood industry adhesive of the present invention, do further argumentation, be respectively: 1. filler water-absorbent relative method, the 2. made allotment glue penetration layer test of filler, 3. glued board allotment glue initial viscosity test method relatively.
1, filler water-absorbent relative method
Principle: in a single day filler is added to the water, and just can be adsorbed on water molecules in the filler particles words that quantity is enough.Filler and water is furnishing paste liquid just, and each paste liquid density varies, and can use such as rotational viscosimeter certainly and test, but waste time and energy, and too dense thick paste test error is big, and it is as follows now to introduce a kind of short-cut method:
1) is equipped with the test material
A. the filler that will test such as filler of the present invention and flour filler respectively get 10 the gram add respectively 20 the gram clear water (or distilled water);
B. stir and respectively became paste liquid in 10 minutes;
2) test:
A. test paper
From an A4 paper get the 20cm*5cm specification paper slip several;
B. this paper slip is put on the 0.1% precision balance weighing platform;
The tester that c. will stir into paste drops in the paper slip upper end side by side, every paste liquid 0.5 gram;
D. paper slip horizontal pendulum among the step c is placed on adhesive tape and just glues on the test machine platform, clip, again platform is rotated into 60 ° of angles, and begins to record the time;
E. in one minute, write down each dropping liquid toward dirty length;
F. do 3-5 repetitions respectively, average;
G. this filler of reflection that all drip length is long is relatively poor to the adsorptive power ability of water, otherwise namely strong.
2, the made allotment glue penetration layer test of filler
If will allocate glue and be coated on the ply, be difficult to observe this allotment glue and permeate how many amounts actually and enter in the wood chip, test so use the paper roll that former wood pulp makes, can simulate and allocate the glue penetration degree, be convenient to observation again.Its method is:
1) with the filled allotment glue of required test, drop in respectively on the paper roll, attention will be dripped into hemispherical glue, prevents toward current downflow;
2) repeat 2-4 times at same model paper roll;
3) respectively 15 minutes, 30 minutes, 60 minutes each time period, carefully raise ply of paper, calculate the number of plies of having permeated, average;
4) respectively allocate glue and how much infiltrate through ply of paper, can reflect the penetration degree of allotment glue on wood chip.
3, glued board allotment glue initial viscosity compares test method
At present, the factory of glued board industry has nearly all adopted preceding precompressed (colding pressing) technology of adding of plywood hot-pressing moulding, and therefore, after glued board allotment glue was coated with wood chip, the initial viscosity power directly had influence on subsequent technique.
1) preparation of wood chip
The veneer that adopts from numerous glued board enterprise (birch, Eucalyptus, pine etc. all can) is chosen wood grain, the similar wood chip of surface flatness is some, and it is standby that (water content is below 13%) is cut into the 14cm*4cm wood chip;
2) be coated with (executing) allotment glue
To be coated with (executing) allotment glue 0.02 gram on every square centimeter of wood chip, there is the allotment of different fillers glue to be coated in respectively on the described wood chip of step 1) (single face) adding;
3) diminishing dries
Because allotment glue contains large quantity of moisture, should earlier each wood chip of coating allotment glue be placed for some time, remove some moisture content in order to evaporation, allowing the glue on wood chip surface thicken becomes sticky, again in order to reduce room temp, the influence of air flowing factors should place 20cm*20*5cm box (with cover) to dry (can put the 4-5 sheet) with respectively scribbling the glue wood chip;
4) divide several time period test initial viscositys
Claims (4)
1. the filler of a Wood industry adhesive, it is made up of following raw material:
Auxiliary material: calcium carbonate 40%-75% or wilkinite 30%-50% or kaolin 30%-60%, get a kind of at least;
Filler: flour 10%-35%;
Thickening tackifier: Xylo-Mucine 2%-10% or hydroxypropylcellulose 2%-4%, polyacrylamide 0.3%-3%;
Hydrophobizing agent: stearic acid 3-15% or silylation hydrophobic powder 1-4%;
Above raw material is weight percentage, and each weight percentages of components sum is 100%.
2. the detection method of the filler of the described a kind of Wood industry adhesive of claim 1, filler water-absorbent be relatively:
1) is equipped with the test material
A. the filler of the present invention that will test and flour filler are respectively got 10 grams and are added 20 gram clear water respectively;
B. stir and respectively became paste liquid in 10 minutes;
2) test
A. test paper, get the 20cm*5cm specification paper slip several;
B. this paper slip is put on the 0.1% precision balance weighing platform;
The tester that c. will stir into paste drops in the paper slip upper end side by side, every paste liquid 0.5 gram;
D. paper slip horizontal pendulum among the step c is placed on adhesive tape sticking the test on the machine platform just, clips; Again platform is rotated into 60 ° of angles, and begins to record the time;
E. in one minute, write down each dropping liquid toward dirty length;
F. do 3-5 repetitions respectively, average;
G. this filler of reflection that all drip length is long is relatively poor to the adsorptive power ability of water, otherwise namely strong.
3. the detection method of the filler of the described a kind of Wood industry adhesive of claim 1 adds the made allotment glue penetration layer test of filler:
1) will add the allotment glue of filler, and drop in respectively on the paper roll, attention will be dripped into hemispherical glue, prevents toward current downflow;
2) repeat 2-4 time at same model paper roll;
3) respectively 15 minutes, 30 minutes, 60 minutes each time period, carefully raise ply of paper, calculate the number of plies of having permeated, average;
4) respectively allocate glue and how much penetrate ply of paper, can reflect the penetration degree of allotment glue on wood chip.
4. the detection method of the filler of the described a kind of Wood industry adhesive of claim 1, glued board allotment glue initial viscosity is relatively test:
1) preparation of wood chip, it is some to choose the similar glued board wood chip of wood grain, surface flatness, and water content is below 13%, and it is standby to be cut into the 14cm*4cm wood chip;
2) be coated with the allotment glue, to be coated with allotment glue 0.02 gram on every square centimeter of wood chip, have the allotment of different fillers glue to be coated on the described wood chip of step 1) single face respectively adding;
3) diminishing dries, and places the 20cm*20*5cm box to dry the wood chip that respectively scribbles the allotment glue;
4) divide several time period test initial viscositys:
. required test wood chip taken out from the described box of step 3) is clipped in trier upper end, with 40 ° of angles of trier movable platform furnishing, in the wood chip upper end by a steel ball, unclamp finger, allow steel ball along wood chip surface rolls downward, note omnidistance rolling time simultaneously, be and repeat for 2-4 time to average;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310252539.1A CN103275644B (en) | 2013-06-24 | 2013-06-24 | A kind of filler of Wood industry adhesive and detection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310252539.1A CN103275644B (en) | 2013-06-24 | 2013-06-24 | A kind of filler of Wood industry adhesive and detection method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103275644A true CN103275644A (en) | 2013-09-04 |
| CN103275644B CN103275644B (en) | 2015-08-19 |
Family
ID=49058274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310252539.1A Expired - Fee Related CN103275644B (en) | 2013-06-24 | 2013-06-24 | A kind of filler of Wood industry adhesive and detection method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103275644B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104263277A (en) * | 2014-10-20 | 2015-01-07 | 常熟市鑫磊木业制造厂 | Filler for adhesive in wood industry |
| CN104277733A (en) * | 2014-10-20 | 2015-01-14 | 常熟市鑫磊木业制造厂 | Packing of wood adhesive |
| CN104293232A (en) * | 2014-10-23 | 2015-01-21 | 广西林安木业有限公司 | Thickening composition of plywood adhesive and preparation method of thickening agent |
| CN107234686A (en) * | 2017-06-29 | 2017-10-10 | 广西防城港市昌海木业有限公司 | A kind of technique of backing of veneer gluing |
| CN108469387A (en) * | 2018-05-28 | 2018-08-31 | 南京市产品质量监督检验院 | A method of the anti-variable performance of inner and external wall putty is measured using elongation at break |
| CN109572093A (en) * | 2018-12-29 | 2019-04-05 | 中国非金属矿工业有限公司 | A kind of high anti-corrosion Prehydration-type mineral impervious material and preparation method thereof |
| CN109677040A (en) * | 2018-12-29 | 2019-04-26 | 中国非金属矿工业有限公司 | Anti-corrosion prehydration mineral impervious material of a kind of anti-freezing type height and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101585926A (en) * | 2009-04-20 | 2009-11-25 | 永港伟方（北京）科技股份有限公司 | Urea-formaldehyde resin additive, preparing method and application thereof |
-
2013
- 2013-06-24 CN CN201310252539.1A patent/CN103275644B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101585926A (en) * | 2009-04-20 | 2009-11-25 | 永港伟方（北京）科技股份有限公司 | Urea-formaldehyde resin additive, preparing method and application thereof |
Non-Patent Citations (2)
| Title |
|---|
| 《胶粘剂技术标准与规范》编写组: "《胶粘剂技术标准与规范》", 30 April 2004, 化学工业出版社 * |
| 郭治遥等: "基于膨润土的脲醛树脂填料的开发与性能研究", 《中国胶粘剂》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104263277A (en) * | 2014-10-20 | 2015-01-07 | 常熟市鑫磊木业制造厂 | Filler for adhesive in wood industry |
| CN104277733A (en) * | 2014-10-20 | 2015-01-14 | 常熟市鑫磊木业制造厂 | Packing of wood adhesive |
| CN104293232A (en) * | 2014-10-23 | 2015-01-21 | 广西林安木业有限公司 | Thickening composition of plywood adhesive and preparation method of thickening agent |
| CN107234686A (en) * | 2017-06-29 | 2017-10-10 | 广西防城港市昌海木业有限公司 | A kind of technique of backing of veneer gluing |
| CN108469387A (en) * | 2018-05-28 | 2018-08-31 | 南京市产品质量监督检验院 | A method of the anti-variable performance of inner and external wall putty is measured using elongation at break |
| CN108469387B (en) * | 2018-05-28 | 2020-05-05 | 南京市产品质量监督检验院 | Method for measuring internal and external wall putty anti-variability performance by adopting elongation at break |
| CN109572093A (en) * | 2018-12-29 | 2019-04-05 | 中国非金属矿工业有限公司 | A kind of high anti-corrosion Prehydration-type mineral impervious material and preparation method thereof |
| CN109677040A (en) * | 2018-12-29 | 2019-04-26 | 中国非金属矿工业有限公司 | Anti-corrosion prehydration mineral impervious material of a kind of anti-freezing type height and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103275644B (en) | 2015-08-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103275644A (en) | Filler of wood industry adhesive and detection method of filler | |
| Nguyen et al. | Building bio-insulation materials based on bamboo powder and bio-binders | |
| Tan et al. | Preparation of the plywood using starch-based adhesives modified with blocked isocyanates | |
| CN105034088B (en) | A kind of net aldehyde antibacterial ecological board and preparation method thereof | |
| CN104972718B (en) | A kind of purifying formaldehyde ecological board and preparation method thereof | |
| CN105014752B (en) | Formaldehyde purification plate and preparation method thereof | |
| US9182271B2 (en) | Methods of measuring a characteristic of a creping adhesive film and methods of modifying the creping adhesive film | |
| CN102896682A (en) | Method for preparing solid wood particleboard of soybean protein adhesive | |
| CN103108933A (en) | Soy adhesives and composites made from the adhesives | |
| RU2458954C2 (en) | Adhesive system and method of obtaining wood-based product | |
| CN104532671A (en) | Water-based paint for skin packing paper boards and coating method for skin packing paper boards | |
| CN110053125A (en) | A kind of soybean is without aldehyde glue, PP film veneer composite floor board and preparation method thereof | |
| CN105058517B (en) | A kind of ecological, environmental protective sheet material and preparation method thereof | |
| CN106313265A (en) | Method for producing high-temperature-resisting oriented particle board by using total-eucalyptus leftover material | |
| CN109181612A (en) | A kind of water resistance biology base adhesive and preparation method thereof | |
| CN100410329C (en) | Method and aqueous adhesive composition for the production of panels made from vegetable matter | |
| CN102837554B (en) | Prepreg | |
| CN103103891B (en) | High-intensity water-resistance corrugated board and preparation method thereof | |
| CN103834357B (en) | Not aqueous wood sizing agent containing formaldehyde and preparation method thereof | |
| CN102830175A (en) | Detection method of dynamic imbibition performance of reconstituted tobacco substrate produced by papermaking method | |
| CN108274579A (en) | A kind of manufacturing method of oriented wood chipboard | |
| CN107384253A (en) | A kind of pencil glue and preparation method thereof | |
| Vishnuvarthanan et al. | Additives for enhancing the drying properties of adhesives for corrugated boards | |
| TW201006899A (en) | Corrugated board adhesive having adsorping function and preparation method thereof, corrugated board and production method thereof | |
| CN114889299A (en) | Preparation process of high-strength moisture-proof composite packaging paperboard |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20170624 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |