CN110700737A - Plant fiber fireproof door blank and fireproof adhesive - Google Patents
Plant fiber fireproof door blank and fireproof adhesive Download PDFInfo
- Publication number
- CN110700737A CN110700737A CN201910929781.5A CN201910929781A CN110700737A CN 110700737 A CN110700737 A CN 110700737A CN 201910929781 A CN201910929781 A CN 201910929781A CN 110700737 A CN110700737 A CN 110700737A
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- Prior art keywords
- plant fiber
- parts
- fireproof
- door
- blank
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Classifications
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
- E06B5/161—Profile members therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/16—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer formed of particles, e.g. chips, powder or granules
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/048—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material made of particles
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J1/00—Adhesives based on inorganic constituents
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/06—Vegetal particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/06—Vegetal particles
- B32B2264/062—Cellulose particles, e.g. cotton
- B32B2264/067—Wood particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
- B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2419/00—Buildings or parts thereof
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
- E06B2003/7049—Specific panel characteristics
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Ceramic Engineering (AREA)
- Securing Of Glass Panes Or The Like (AREA)
- Special Wing (AREA)
Abstract
The invention provides a plant fiber fireproof door blank and fireproof glue, wherein a door blank body of the plant fiber fireproof door blank is composed of a plant fiber board, the plant fiber board is formed by mixing and pressing plant fiber particles and fireproof glue, the fireproof glue accounts for ~ 50% of the weight of the plant fiber particles, the fireproof glue comprises, by weight, 1 ~ 3 parts of lithopone, 105 parts of magnesium oxide 105 ~ 118, 2 parts of magnesium silicate 2 ~ 5 parts, 10 parts of sodium silicate 10 ~ 15 parts, 1 part of boric acid 1 ~ 3 and 30-75 parts of magnesium sulfate solution, the concentration of the magnesium sulfate solution is baume degree of 17-25 degrees B.
Description
Technical Field
The invention relates to a plant fiber fireproof door blank and fireproof glue.
Background
A fire door is a door that can meet the requirements of fire stability, integrity and thermal insulation within a certain period of time. The fireproof door comprises a steel fireproof door, a wooden fireproof door, a steel wooden fireproof door and the like. The wooden fireproof door needs to be made of flame-retardant wood, and comprises flame-retardant wood products serving as a door frame, a door leaf framework and a door leaf panel, so that the requirement on material selection is high, and the whole manufacturing cost is high.
In addition, each wood system part need cooperate fire-proof glue to connect, and current fire-proof glue is mostly organic glue, and the burning flue gas has certain toxicity, influences the security of using.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the plant fiber fireproof door blank which is prepared by matching the plant fiber particle board with the inorganic fireproof glue, has excellent fireproof performance, is safe and nontoxic, can recycle waste wood resources, and is environment-friendly and low in cost. The invention also provides the fireproof glue applied to the plant fiber fireproof door blank, which reduces formaldehyde release, reduces toxicity of combustion smoke and improves the safety performance of an applied fireproof product.
The invention provides a plant fiber fireproof door body which comprises a door body, wherein the door body is composed of a plant fiber board, the plant fiber board is formed by mixing and pressing plant fiber particles and fireproof glue, the using amount of the fireproof glue accounts for ~ 50% of the weight of the plant fiber particles, the fireproof glue comprises the following components, by weight, 1 ~ 3 parts of lithopone, 105 ~ 118 parts of magnesium oxide, 2 ~ 5 parts of magnesium silicate, 10 ~ 15 parts of sodium silicate, 1 ~ 3 parts of boric acid and 30-75 parts of magnesium sulfate solution, and the concentration of the magnesium sulfate solution is 17-25 degrees Baume.
As a further improvement of the invention, the plant fiber board comprises a plurality of layers, and the layers are bonded by the fireproof glue.
As a further improvement of the invention, the plant fiber plates are adhered and then cut into a plurality of door blank modules, and the door blank main body is formed by splicing the door blank modules.
According to one embodiment of the invention, the door blank modules are connected by the fireproof glue.
As another embodiment of the invention, the edge of the door blank module is provided with a first connecting groove, the splicing edges between two adjacent door blank modules are connected through a connecting strip, and two sides of the connecting strip are respectively embedded into the two first connecting grooves to form connection; and the connecting gap between the connecting strip and the first connecting groove is filled with the fireproof glue.
As a further improvement of the invention, a fixing edge strip is arranged around the door blank main body, a second connecting groove is arranged on the inner side of the fixing edge strip, the fixing edge strip is connected with the door blank main body through a connecting strip, and two sides of the connecting strip are respectively embedded into the second connecting groove and the first connecting groove on the outer side of the door blank module to form connection.
Preferably, the thickness of the plant fiber board is 5 ~ 9 mm.
Preferably, the plant fiber particles comprise one or more of dried and crushed waste wood, bark, straw and stalk; the size of the plant fiber particles is 3-30 meshes.
Preferably, shell powder is mixed in the plant fiber particles, and the dosage of the shell powder accounts for 10% of the weight of the plant fiber.
The invention also provides a fire-proof glue which comprises the following components, by weight, 1 ~ 3 parts of lithopone, 105 parts of magnesium oxide 105 ~ 118 parts, 2 ~ 5 parts of magnesium silicate, 10 ~ 15 parts of sodium silicate, 1 ~ 3 parts of boric acid and 30-75 parts of magnesium sulfate solution, wherein the concentration of the magnesium sulfate solution is 17-25 DEG Be.
The invention has the beneficial effects that:
1. the plant fiber board is used as a door blank main body, the plant fiber board mainly comprises plant fiber particles, and the plant fiber particles are obtained by recycling waste wood, sawdust, agricultural plant straws and the like, crushing, processing and utilizing the plant fiber particles, so that the environmental pollution can be reduced, the raw materials are easy to obtain, and the cost is low. The novel technology of inorganic fireproof glue is combined, so that the aim of no toxic pollution is achieved on the premise of ensuring the flame retardant property of the material. The oxygen index of the plant fiber fireproof door blank is more than 45%, the burning performance reaches B1-A2 level, and the finished fireproof door reaches the first-level standard (fireproof for 1.5 h). In addition, the formaldehyde emission meets the requirement of GB 18580; the toxicity of the smoke reaches ZA2 level.
2. The fireproof door blank is formed by combining a plurality of layers of plant fiber plates and then cutting the plant fiber plates into a plurality of door blank modules for splicing, and the main body of the door blank consists of a plurality of door blank modules, so that the internal stress is dispersed, and the static bending strength is greater than 26 MPa.
3. Door embryo intermodule, door embryo module and fixed strip are connected through connecting strip formation tenon fourth of twelve earthly branches structure, and the connecting strip imbeds promptly and forms the tenon in a connecting groove, and the tenon is pegged graft with another connecting groove (fourth of twelve earthly branches) again, and the joint seam is glued through the fire prevention and is filled, stable in structure, equipment easy operation.
Drawings
Fig. 1 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 2 is an exploded view of a second embodiment of the present invention.
Fig. 3 is an enlarged view of a portion a of fig. 2.
FIG. 4 is a cross-sectional view of a door slab module.
Detailed Description
The application scheme is further described below with reference to the accompanying drawings:
example one
The fireproof adhesive comprises the following components in parts by weight: 2 parts of lithopone, 115 parts of magnesium oxide, 3 parts of magnesium silicate, 12 parts of sodium silicate, 2 parts of boric acid and 55 parts of magnesium sulfate solution, wherein the concentration of the magnesium sulfate solution is 17-25 DEG Be.
Example two
Referring to the attached drawings 1-4, the plant fiber fireproof door blank comprises a door blank main body 1, wherein the door blank main body 1 is composed of a plant fiber board 2, and the plant fiber board 2 is formed by mixing and pressing plant fiber particles and the fireproof glue of the first embodiment; the amount of the fire-proof glue accounts for 30% of the weight of the plant fiber particles. The plant fiber particles comprise one or more of dried and crushed waste wood, bark, straw and straw; the size of the plant fiber particles is 3-30 meshes.
The plant fiber board 2 comprises a plurality of layers, the plant fiber board layers are bonded through the fireproof glue, a stable structure is formed by the plant fiber board layers and the glue layer 6 formed by the fireproof glue at intervals, the thickness of each layer of plant fiber board 2 is 5 ~ 9mm, the plant fiber board layers and the glue layer 6 formed by the fireproof glue are compounded into the thickness of 40 ~ 55mm according to the specification requirement of a door leaf, the plurality of layers of plant fiber boards 2 are bonded and then cut into a plurality of door blank modules 3, the door blank main body 1 is formed by splicing the door blank modules 3, specifically, two first connecting grooves 31 are formed in the edges of the door blank modules 3, the splicing edges between every two adjacent door blank modules 3 are connected through two connecting strips 4, during installation, the two sides of the connecting strips 3 are respectively embedded into the first connecting grooves 31 of the two door blank modules 3, and connecting gaps between the connecting strips 4 and the first connecting grooves 31 are filled through the fireproof glue.
Door embryo main part 1 encloses and is equipped with fixed strake 5, 5 inboards in the fixed strake are equipped with second spread groove 51, and fixed strake 5 is connected through connecting strip 4 with door embryo main part 1, and during the installation, the both sides of connecting strip 4 imbed respectively in second spread groove 51 and the first spread groove 31 on door embryo module 3 outside limit.
The plant fiber fireproof door blank is tested, and the results are as follows:
1. boiling in boiling water for 4 hours, drying at 70 ℃ for 20 hours, and repeating the boiling and drying operations twice, so that the door blank plate does not delaminate and degum.
2. The oxygen index of the door germ is greater than 45%.
3. The burning performance reaches B1-A2 grade, and the finished fireproof door reaches the grade A standard (fire resistance is 1.5 h).
4. The formaldehyde emission meets the requirement of GB 18580; the toxicity of the smoke reaches ZA2 level.
5. The static bending strength is more than 26 MPa.
EXAMPLE III
The difference between this embodiment and the second embodiment is: and the door blank modules are connected through the fireproof glue in a bonding manner.
Example four
The difference between the present embodiment and the second embodiment is that the plant fiber particles are mixed with shell powder, and the amount of the shell powder is 10% of the weight of the plant fiber.
The above preferred embodiments should be considered as examples of the embodiments of the present application, and technical deductions, substitutions, improvements and the like similar to, similar to or based on the embodiments of the present application should be considered as the protection scope of the present patent.
Claims (10)
1. A plant fiber fireproof door body comprises a door body and is characterized in that the door body is composed of a plant fiber board, and the plant fiber board is formed by mixing and pressing plant fiber particles and fireproof glue; the amount of the fire-proof glue accounts for 10-50% of the weight of the plant fiber particles; the fireproof glue comprises the following components in parts by weight: 1-3 parts of lithopone, 105-118 parts of magnesium oxide, 2-5 parts of magnesium silicate, 10-15 parts of sodium silicate, 1-3 parts of boric acid and 30-75 parts of magnesium sulfate solution, wherein the concentration of the magnesium sulfate solution is 17-25 DEG Be.
2. The plant fiber fireproof door blank of claim 1, wherein the plant fiber board comprises a plurality of layers, and the layers are bonded by the fireproof glue.
3. The plant fiber fireproof door blank of claim 2, wherein the plurality of plant fiber boards are bonded and then cut into a plurality of blank modules, and the blank body is formed by splicing the blank modules.
4. The plant fiber fire door blank according to claim 3, wherein the blank modules are connected by the fire-proof glue.
5. The plant fiber fireproof door blank of claim 3, wherein the edges of the door blank modules are provided with first connecting grooves, the splicing edges between two adjacent door blank modules are connected through connecting strips, and two sides of each connecting strip are respectively embedded into the two first connecting grooves to form connection; and the connecting gap between the connecting strip and the first connecting groove is filled with the fireproof glue.
6. The plant fiber fireproof door blank as claimed in claim 5, wherein the door blank body is surrounded by a fixing edge strip, the fixing edge strip is provided with a second connecting groove inside, the fixing edge strip is connected with the door blank body through a connecting strip, and two sides of the connecting strip are respectively embedded into the second connecting groove and the first connecting groove on the outer side of the door blank module to form connection.
7. The plant fiber fireproof door blank according to claim 2, wherein the thickness of the plant fiber plate is 5-9 mm.
8. The plant fiber fire door blank according to claim 1, wherein the plant fiber particles comprise one or more of dried crushed waste wood, bark, straw, stalks; the size of the plant fiber particles is 3-30 meshes.
9. The plant fiber fireproof door blank according to claim 1, wherein shell powder is mixed into the plant fiber granules, and the amount of the shell powder is 10% of the weight of the plant fiber.
10. The fireproof adhesive is characterized by comprising the following components in parts by weight: 1-3 parts of lithopone, 105-118 parts of magnesium oxide, 2-5 parts of magnesium silicate, 10-15 parts of sodium silicate, 1-3 parts of boric acid and 30-75 parts of magnesium sulfate solution, wherein the concentration of the magnesium sulfate solution is 17-25 DEG Be.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910929781.5A CN110700737A (en) | 2019-09-29 | 2019-09-29 | Plant fiber fireproof door blank and fireproof adhesive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910929781.5A CN110700737A (en) | 2019-09-29 | 2019-09-29 | Plant fiber fireproof door blank and fireproof adhesive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110700737A true CN110700737A (en) | 2020-01-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910929781.5A Pending CN110700737A (en) | 2019-09-29 | 2019-09-29 | Plant fiber fireproof door blank and fireproof adhesive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110700737A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111423820A (en) * | 2020-03-30 | 2020-07-17 | 山东建筑大学 | Inorganic adhesive for bamboo-wood structure and preparation method thereof |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111423820A (en) * | 2020-03-30 | 2020-07-17 | 山东建筑大学 | Inorganic adhesive for bamboo-wood structure and preparation method thereof |
| CN111423820B (en) * | 2020-03-30 | 2022-03-29 | 山东建筑大学 | Inorganic adhesive for bamboo-wood structure and preparation method thereof |
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Application publication date: 20200117 |