CN115707739B - Waterproof fiber board and preparation method thereof - Google Patents
Waterproof fiber board and preparation method thereof Download PDFInfo
- Publication number
- CN115707739B CN115707739B CN202211617139.1A CN202211617139A CN115707739B CN 115707739 B CN115707739 B CN 115707739B CN 202211617139 A CN202211617139 A CN 202211617139A CN 115707739 B CN115707739 B CN 115707739B
- Authority
- CN
- China
- Prior art keywords
- parts
- water
- wood fiber
- mixture
- fiber
- 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.)
- Active
Links
- 239000011094 fiberboard Substances 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title abstract description 11
- 229920002522 Wood fibre Polymers 0.000 claims abstract description 37
- 239000002025 wood fiber Substances 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 230000001070 adhesive effect Effects 0.000 claims abstract description 22
- 239000000853 adhesive Substances 0.000 claims abstract description 21
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 12
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 12
- 239000000440 bentonite Substances 0.000 claims abstract description 12
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 12
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 12
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 12
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000003063 flame retardant Substances 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims description 20
- 239000011259 mixed solution Substances 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 13
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 9
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 8
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 claims description 8
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 6
- 239000000347 magnesium hydroxide Substances 0.000 claims description 6
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 6
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 claims description 5
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 5
- 229920002472 Starch Polymers 0.000 claims description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 229920005610 lignin Polymers 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- UGTZMIPZNRIWHX-UHFFFAOYSA-K sodium trimetaphosphate Chemical compound [Na+].[Na+].[Na+].[O-]P1(=O)OP([O-])(=O)OP([O-])(=O)O1 UGTZMIPZNRIWHX-UHFFFAOYSA-K 0.000 claims description 5
- 239000008107 starch Substances 0.000 claims description 5
- 235000019698 starch Nutrition 0.000 claims description 5
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 claims description 5
- WOHLPEUHFSHZAN-UHFFFAOYSA-N n-(2,4-difluorophenyl)acetamide Chemical compound CC(=O)NC1=CC=C(F)C=C1F WOHLPEUHFSHZAN-UHFFFAOYSA-N 0.000 claims description 4
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims description 2
- 230000000052 comparative effect Effects 0.000 description 14
- SJSQINDQCWKFAM-UHFFFAOYSA-N 2-(2,4-difluorophenyl)acetamide Chemical compound NC(=O)CC1=CC=C(F)C=C1F SJSQINDQCWKFAM-UHFFFAOYSA-N 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 7
- 238000005452 bending Methods 0.000 description 7
- 230000003068 static effect Effects 0.000 description 7
- 238000005303 weighing Methods 0.000 description 7
- 238000001816 cooling Methods 0.000 description 3
- OHLUUHNLEMFGTQ-UHFFFAOYSA-N N-methylacetamide Chemical compound CNC(C)=O OHLUUHNLEMFGTQ-UHFFFAOYSA-N 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention relates to the technical field of fiber boards, and provides a waterproof fiber board and a preparation method thereof, wherein the waterproof fiber board comprises the following components in parts by weight: 40-50 parts of modified wood fiber, 6-10 parts of flame retardant, 3-5 parts of bentonite, 3-5 parts of kaolin and 15-20 parts of adhesive. Through the technical scheme, the problems of poor water resistance and low mechanical strength of the fiberboard in the prior art are solved.
Description
Technical Field
The invention relates to the technical field of fiber boards, in particular to a waterproof fiber board and a preparation method thereof.
Background
The fiber board is made of wood cellulose fiber by interweaving, and the inherent adhesive property of the fiber board or the auxiliary adhesive is utilized to make the fiber board. The fiber board has wide application, and can be applied to various fields of building materials, decoration materials, furniture manufacturing and the like. The common fiber board in the current market has poor water resistance, high water absorption thickness expansion rate and low mechanical strength, and is difficult to meet the requirements of furniture building materials on the moisture resistance and durability of the materials in a high-humidity environment. Therefore, research and development of a fiber board with good water resistance and high durability are very necessary to meet the demands of the home decoration industry.
Disclosure of Invention
The invention provides a waterproof fiberboard and a preparation method thereof, which solve the problems of poor water resistance and low mechanical strength of the fiberboard in the related technology.
The technical scheme of the invention is as follows:
a waterproof fiber board comprises the following components in parts by weight: 40-50 parts of modified wood fiber, 6-10 parts of flame retardant, 3-5 parts of bentonite, 3-5 parts of kaolin and 15-20 parts of adhesive.
As a further technical scheme, the modified wood fiber is obtained by drying wood fiber after the wood fiber is treated by the mixed solution; the mixed solution comprises: water, a silane coupling agent and 2, 4-difluoroacetanilide.
As a further technical scheme, the water content of the wood fiber is 6-10%.
As a further technical scheme, in the mixed solution, water: silane coupling agent: the mass ratio of the 2, 4-difluorophenylacetamide is 50:1:4-8.
As a further technical scheme, the flame retardant is one or more of magnesium hydroxide, aluminum hydroxide and antimony trioxide.
As a further technical scheme, the adhesive comprises the following components in parts by weight: 15-20 parts of starch, 0.1-0.2 part of tributyl phosphate, 10-15 parts of lignin, 20-25 parts of phenol, 0.1-0.3 part of 2, 6-di-tert-butyl p-methylphenol, 1-2 parts of nano calcium carbonate and 2-4 parts of sodium trimetaphosphate.
A method for preparing a water resistant fiberboard comprising the steps of:
s1, stirring and mixing modified wood fibers, a flame retardant, bentonite and kaolin to obtain a mixture A;
s2, adding an adhesive into the mixture A, and stirring to obtain a mixture B;
s3, pouring the mixture B into a die, pouring, rolling and shaping to obtain the fiberboard.
As a further technical scheme, the rolling in the step S3 is controlled to be at a temperature of 80-90 ℃ and a pressure of 22-24MPa.
The working principle and the beneficial effects of the invention are as follows:
1. the fiber board is prepared by adopting the modified wood fiber, the flame retardant, the bentonite and the kaolin and adding the compounded adhesive, has static bending strength of 32.3-33.4MPa and water absorption thickness expansion rate of 5.7-6.5%, and has excellent mechanical property and water resistance.
2. According to the invention, through modifying the wood fibers, the connectivity among the wood fibers is improved, the compatibility of the modified fibers and other components is increased, the overall mechanical strength is further improved, and the addition of the 2, 4-difluoroacetanilide can also increase the overall hydrophobicity and improve the water resistance of the fiber board.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The preparation method of the modified wood fiber comprises the following steps: weighing 50 parts of water, 1 part of silane coupling agent and 48 parts of 2, 4-difluorophenylacetamide, and mixing to obtain a mixed solution; adding wood fiber into the mixed solution, stirring for 3 hours at 60 ℃, and drying to obtain modified wood fiber; the mass ratio of the mixed solution to the wood fiber is 10:1.
The preparation method of the adhesive comprises the following steps: 15 parts of starch, 0.1 part of tributyl phosphate, 10 parts of lignin, 20 parts of phenol, 0.1 part of 2, 6-di-tert-butyl-p-methylphenol, 1 part of nano calcium carbonate and 2 parts of sodium trimetaphosphate are weighed, uniformly mixed, and then ground for 1 hour in a grinder to prepare the adhesive.
A method for preparing a water resistant fiberboard comprising the steps of:
s1, weighing 40 parts of modified wood fiber, 6 parts of magnesium hydroxide, 3 parts of bentonite, 3 parts of kaolin and 15 parts of adhesive for later use;
s2, stirring and mixing the modified wood fiber, magnesium hydroxide, bentonite and kaolin to obtain a mixture A;
s3, adding an adhesive into the mixture A, and stirring to obtain a mixture B;
s4, pouring the mixture B into a die, pouring, vibrating and forming, rolling at the temperature of 80 ℃ and the pressure of 24MPa, and cooling for 4 hours after the rolling is finished to obtain the fiberboard.
Example 2
The preparation method of the modified wood fiber comprises the following steps: weighing 50 parts of water, 1 part of silane coupling agent and 6 parts of 2, 4-difluorophenylacetamide, and mixing to obtain a mixed solution; adding wood fiber into the mixed solution, stirring for 3 hours at 60 ℃, and drying to obtain modified wood fiber; the mass ratio of the mixed solution to the wood fiber is 10:1.
The preparation method of the adhesive comprises the following steps: 18 parts of starch, 0.1 part of tributyl phosphate, 12 parts of lignin, 23 parts of phenol, 0.2 part of 2, 6-di-tert-butyl-p-methylphenol, 2 parts of nano calcium carbonate and 3 parts of sodium trimetaphosphate are weighed, uniformly mixed, and then ground for 1 hour in a grinder to prepare the adhesive.
A method for preparing a water resistant fiberboard comprising the steps of:
s1, weighing 45 parts of modified wood fiber, 8 parts of magnesium hydroxide, 4 parts of bentonite, 4 parts of kaolin and 18 parts of adhesive for later use;
s2, stirring and mixing the modified wood fiber, magnesium hydroxide, bentonite and kaolin to obtain a mixture A;
s3, adding an adhesive into the mixture A, and stirring to obtain a mixture B;
s4, pouring the mixture B into a die, pouring, vibrating and forming, rolling at the temperature of 85 ℃ and the pressure of 23MPa, and cooling for 4 hours after the rolling is finished to obtain the fiberboard.
Example 3
The preparation method of the modified wood fiber comprises the following steps: weighing 50 parts of water, 1 part of silane coupling agent and 8 parts of 2, 4-difluorophenylacetamide, and mixing to obtain a mixed solution; adding wood fiber into the mixed solution, stirring for 3 hours at 60 ℃, and drying to obtain modified wood fiber; the mass ratio of the mixed solution to the wood fiber is 10:1.
The preparation method of the adhesive comprises the following steps: weighing 20 parts of starch, 0.2 part of tributyl phosphate, 15 parts of lignin, 25 parts of phenol, 0.3 part of 2, 6-di-tert-butyl-p-methylphenol, 2 parts of nano calcium carbonate and 4 parts of sodium trimetaphosphate, uniformly mixing, and grinding in a grinder for 1h to obtain the adhesive.
A method for preparing a water resistant fiberboard comprising the steps of:
s1, weighing 50 parts of modified wood fiber, 10 parts of antimony trioxide, 5 parts of bentonite, 5 parts of kaolin and 20 parts of adhesive for later use;
s2, stirring and mixing the modified wood fiber, the antimonous oxide, the bentonite and the kaolin to obtain a mixture A;
s3, adding an adhesive into the mixture A, and stirring to obtain a mixture B;
s4, pouring the mixture B into a die, pouring, vibrating and forming, rolling at the temperature of 90 ℃ and the pressure of 22MPa, and cooling for 4 hours after the rolling is finished to obtain the fiberboard.
Comparative example 1
Comparative example 1 was different from example 1 in that the modified wood fiber mixed solution was replaced with an equal amount of water, and the other was the same as example 1.
Comparative example 2
Comparative example 2 differs from example 1 in that water: silane coupling agent: the mass ratio of 2, 4-difluorophenylacetamide was 50:1:10, except that the same was used in example 1.
Comparative example 3
Comparative example 3 was performed in the same manner as in example 1 except that 2, 4-difluorophenylacetamide was replaced with an equivalent amount of N-methylacetamide as in example 1.
The water absorption thickness swelling ratio and static bending strength of the fiber sheets obtained in examples 1 to 3 and comparative examples 1 to 3 were measured, and the measurement results are shown in Table 1.
The water absorption thickness expansion rate and static bending strength are measured by referring to GB/T17657-2013 standard for the physical and chemical properties test method of artificial boards and veneered artificial boards.
Table 1 measurement results
| Expansion ratio of water absorption thickness (%) | Static bending strength (MPa) | |
| Example 1 | 6.5 | 33.4 |
| Example 2 | 6.1 | 32.7 |
| Example 3 | 5.7 | 32.3 |
| Comparative example 1 | 8.6 | 29.3 |
| Comparative example 2 | 7.0 | 31.6 |
| Comparative example 3 | 8.4 | 32.4 |
In comparison with example 1, the wood fibers of comparative example 1 were not modified, and as a result, the static bending strength of the fiberboard was lower than that of example 1, and the water absorption thickness expansion ratio was higher than that of example 1. The modification of the wood fiber by the mixed solution can improve static bending strength and moisture resistance. Comparative example 2 increased the amount of 2, 4-difluorophenylacetamide added, and as a result, the static bending strength of the fiberboard of comparative example 2 was reduced, indicating that increasing the amount of 2, 4-difluorophenylacetamide added resulted in a reduction in mechanical strength. Comparative example 3 the fibrous board has higher water absorption thickness expansion than example 1 as a result of the replacement of 2, 4-difluorophenylacetamide with an equivalent amount of N-methylacetamide.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (5)
1. The waterproof fiber board is characterized by comprising the following components in parts by weight: 40-50 parts of modified wood fiber, 6-10 parts of flame retardant, 3-5 parts of bentonite, 3-5 parts of kaolin and 15-20 parts of adhesive;
the modified wood fiber is obtained by drying the wood fiber after the wood fiber is treated by the mixed solution; the mixed solution consists of water, a silane coupling agent and 2, 4-difluoroacetanilide, wherein the mass ratio of the water to the silane coupling agent to the 2, 4-difluoroacetanilide is 50:1:4-8;
the adhesive consists of the following components in parts by weight: 15-20 parts of starch, 0.1-0.2 part of tributyl phosphate, 10-15 parts of lignin, 20-25 parts of phenol, 0.1-0.3 part of 2, 6-di-tert-butyl p-methylphenol, 1-2 parts of nano calcium carbonate and 2-4 parts of sodium trimetaphosphate.
2. A water resistant fiberboard according to claim 1, characterized in that the wood fiber has a moisture content of 6-10%.
3. The water resistant fiberboard according to claim 1, wherein the flame retardant is one or more of magnesium hydroxide, aluminum hydroxide, and antimony trioxide.
4. The method for preparing the water-resistant fiber board according to claim 1, comprising the following steps:
s1, stirring and mixing modified wood fibers, a flame retardant, bentonite and kaolin to obtain a mixture A;
s2, adding an adhesive into the mixture A, and stirring to obtain a mixture B;
s3, pouring the mixture B into a die, pouring, rolling and shaping to obtain the fiberboard.
5. The method for producing a water-resistant fiber board according to claim 4, wherein the rolling in S3 is controlled to a temperature of 80-90 ℃ and a pressure of 22-24MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211617139.1A CN115707739B (en) | 2022-12-15 | 2022-12-15 | Waterproof fiber board and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211617139.1A CN115707739B (en) | 2022-12-15 | 2022-12-15 | Waterproof fiber board and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115707739A CN115707739A (en) | 2023-02-21 |
| CN115707739B true CN115707739B (en) | 2024-02-23 |
Family
ID=85213123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211617139.1A Active CN115707739B (en) | 2022-12-15 | 2022-12-15 | Waterproof fiber board and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115707739B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102850957A (en) * | 2012-08-30 | 2013-01-02 | 苏州市德莱尔建材科技有限公司 | Preparation method for wood adhesive with starch as raw material |
| CN104312535A (en) * | 2014-11-12 | 2015-01-28 | 广西南宁绿园北林木业有限公司 | Lignin weatherproof fiberboard adhesive and production method thereof |
| CN108610653A (en) * | 2018-05-25 | 2018-10-02 | 柳州市林道科技有限公司 | A kind of waterproof man-made board and preparation method thereof |
| CN113070969A (en) * | 2021-04-22 | 2021-07-06 | 佳诺威集团股份有限公司 | High-density fiberboard with strong fire resistance and preparation method thereof |
-
2022
- 2022-12-15 CN CN202211617139.1A patent/CN115707739B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102850957A (en) * | 2012-08-30 | 2013-01-02 | 苏州市德莱尔建材科技有限公司 | Preparation method for wood adhesive with starch as raw material |
| CN104312535A (en) * | 2014-11-12 | 2015-01-28 | 广西南宁绿园北林木业有限公司 | Lignin weatherproof fiberboard adhesive and production method thereof |
| CN108610653A (en) * | 2018-05-25 | 2018-10-02 | 柳州市林道科技有限公司 | A kind of waterproof man-made board and preparation method thereof |
| CN113070969A (en) * | 2021-04-22 | 2021-07-06 | 佳诺威集团股份有限公司 | High-density fiberboard with strong fire resistance and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 徐鼐编著.《通用级聚乳酸的改性与加工成型》.121,2016,(第1版),中国科学技术大学出版社. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115707739A (en) | 2023-02-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104830258B (en) | High anti-wet fiber plate sticks agent with modified urea-formaldehyde resin glue | |
| CN101979355B (en) | Composite fiber calcium silicate board and preparation method thereof | |
| CN104119455A (en) | Cation modified starch, preparation method and applications thereof | |
| CN113698166A (en) | High-strength fly ash brick and preparation method thereof | |
| CN115707739B (en) | Waterproof fiber board and preparation method thereof | |
| CN111363505B (en) | Modified urea-formaldehyde resin adhesive for moisture-proof shaving board and preparation method thereof | |
| CN111592734B (en) | Reinforced and toughened plant fiber-melamine resin composite material and preparation method thereof | |
| CN112430057A (en) | Multifunctional biomass composite building material and preparation method thereof | |
| CN114833912B (en) | Straw composite board and manufacturing method thereof | |
| CN106363732A (en) | Furfuryl alcohol-added and phenolic resin-compounded fast-growing wood modifying agent | |
| CN107587388B (en) | High-temperature-resistant composite paper and preparation method thereof | |
| CN112661478B (en) | Fire-resistant and fracture-resistant bamboo fiberboard and preparation method thereof | |
| CN113372875B (en) | Bio-based adhesive and preparation method and application thereof | |
| CN115368748A (en) | One shot forming veneer does not have aldehyde living beings composite board | |
| CN108611920B (en) | Preparation method of reinforcing agent for inorganic fibers for pulping and papermaking | |
| CN110396858B (en) | Damp-proof damping corrugated base paper and preparation method thereof | |
| CN105967554A (en) | Expanded perlite and phenolic resin composite insulation board with good heat resistance and preparation method thereof | |
| CN105967553A (en) | Water-resistant expanded perlite and phenolic resin composite insulation board and preparation method thereof | |
| CN105967552A (en) | Corncob-modified expanded perlite and phenolic resin composite insulation board and preparation method thereof | |
| JP3293938B2 (en) | Fiber-containing gypsum board and method for producing the same | |
| CN114772984B (en) | Preparation method of high-toughness fiber reinforced silicate board | |
| CN116574341B (en) | Graphite composite polystyrene particle and preparation method thereof | |
| CN113174077B (en) | Preparation method of heat insulation material | |
| CN115259825B (en) | Novel antibacterial mildew-proof gypsum board and preparation method thereof | |
| CN114394808B (en) | Mineralized composite fiber cement board and preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |