CN105799281A - Double-sided fiber cloth foam sandwich board for building template roof and preparation technique thereof - Google Patents
Double-sided fiber cloth foam sandwich board for building template roof and preparation technique thereof Download PDFInfo
- Publication number
- CN105799281A CN105799281A CN201610135841.2A CN201610135841A CN105799281A CN 105799281 A CN105799281 A CN 105799281A CN 201610135841 A CN201610135841 A CN 201610135841A CN 105799281 A CN105799281 A CN 105799281A
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- Prior art keywords
- resin
- cloth
- unsaturated
- building template
- foam sandwich
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Classifications
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/065—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
-
- 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
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
- B32B2260/046—Synthetic resin
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/06—Vegetal fibres
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/106—Carbon fibres, e.g. graphite fibres
Landscapes
- Laminated Bodies (AREA)
Abstract
The invention provides a double-sided fiber cloth foam sandwich board for a building template roof and a preparation technique thereof. The preparation technique comprises the following steps: preparing a mould and polishing the surface of the mould by using 800-mesh abrasive paper; paving a central layer foam plate in the mould, paving reinforced fiber material layers on the two sides of the foam plate, successively paving de-molding cloth and flow guide cloth on the outer side of each reinforced fiber material layer to form a system; respectively connecting two ends of a resin flow guide pipe with the system and the unsaturated polyester resin; sealing the whole mould by using a vacuum bag; vacuumizing the system in the mould, adding a curing agent into the unsaturated resin and opening the resin flow guide pipe; pressing the unsaturated resin into each of the reinforced fiber material layers through the resin flow guide pipe; taking out the products from the mould after the unsaturated resin is cured, and performing post-curing treatment, wherein the temperature and time of the post-curing treatment are as follows: 8h at room temperature and 8h at 60 DEG C. The product provided by the invention has the advantages of light weight, high strength, convenient on-site construction, balanced pressure, high stability and low manufacturing cost.
Description
[technical field]
The present invention relates to a kind of building template top board double-side fibre cloth foam sandwich boards and preparation technology thereof.
[background technology]
Building template is a kind of temporary supporting structure, makes by designing requirement, makes xoncrete structure, component shape by the position of regulation, physical dimension, keeps its tram, and bears building template deadweight and act on external loads thereon.Carry out the purpose of form work engineering, be to ensure that concrete engineering quality and construction safety, accelerating construction progress and reduction engineering cost.
[summary of the invention]
One of the technical problem to be solved in the present invention, is in that to provide a kind of building template top board double-side fibre cloth foam sandwich boards, and it is lightweight, and intensity is high, it is simple to site operation, and pressure is balanced, and stability is strong, and low cost of manufacture.
The present invention is realized in one of above-mentioned technical problem:
A kind of building template top board double-side fibre cloth foam sandwich boards, the central core of described double-side fibre cloth foam sandwich boards is a cystosepiment, and the two sides of described cystosepiment is equipped with the reinforcing fiber materials layer impregnating resin respectively；Described cystosepiment thickness is 5-30mm；Compressive strength >=0.80MPa, modulus of compressibility >=40；Shear strength >=0.70MPa, modulus of shearing >=20；Described reinforcing fiber materials layer is the one in glass fabric, carbon cloth or plant fiber cloth.
Further, the structure type of described glass fabric is 0 °/90 ° axial cloth, ± 45 ° of axial cloth, chopped mat, 0 °/90 ° axial and chopped mat Compound Fabric, 0 °/90 ° at least one axially and in chopped mat Compound Fabric, plain weave woven roving, twill woven roving.
Further, described resin is unsaturated-resin, and containing the pre-accelerator of cobalt salt in resin；Being added with firming agent in described unsaturated-resin, the weight that described firming agent adds accounts for the 1～2% of unsaturated-resin weight.
The two of the technical problem to be solved in the present invention, are in that to provide the preparation technology of a kind of building template top board double-side fibre cloth foam sandwich boards, and its product weight prepared is light, and intensity is high, it is simple to site operation, and pressure is balanced, and stability is strong, and low cost of manufacture.
The present invention is realized in the twos' of above-mentioned technical problem:
A kind of preparation technology of building template top board double-side fibre cloth foam sandwich boards, the step of described preparation technology is as follows:
Step 10, preparation mould, die surface polishes with 800 order sand paper, or re-plating last layer；
Step 20, in mould, lay central core cystosepiment, and the reinforcing fiber materials layer of cystosepiment both sides, be also equipped with release cloth and flow-guiding cloth outside each reinforcing fiber materials layer successively, form a system；The two ends of one resin guide pipe are connected this system and unsaturated-resin respectively, finally with vacuum bag by whole die sealing；
Step 30, by the system evacuation in mould, and toward adding firming agent in unsaturated-resin, open resin guide pipe；Mold cavity is formed a negative pressure, utilizes the pressure that vacuum produces to be pressed in reinforcing fiber materials layer by resin guide pipe by unsaturated-resin；
Step 40, until unsaturated-resin solidify after, be removed from the molds goods, and carry out post curing treatment, the temperature and time of post curing treatment is as follows: room temperature, 8h；60 DEG C, 8h.
Further, described cystosepiment thickness is 5-30mm；Compressive strength >=0.80MPa, modulus of compressibility >=40；Shear strength >=0.70MPa, modulus of shearing >=20.
Further, described reinforcing fiber materials layer is the one in glass fabric, carbon cloth or plant fiber cloth.
Further, the structure type of described glass fabric is 0 °/90 ° axial cloth, ± 45 ° of axial cloth, chopped mat, 0 °/90 ° axial and chopped mat Compound Fabric, 0 °/90 ° at least one axially and in chopped mat Compound Fabric, plain weave woven roving, twill woven roving.
Further, described resin is unsaturated-resin, and containing the pre-accelerator of cobalt salt in resin；Being added with firming agent in described unsaturated-resin, the weight that described firming agent adds accounts for the 1～2% of unsaturated-resin weight.
Further, described firming agent is methyl ethyl ketone peroxide.
Present invention have the advantage that
1, can reducing the bubble of resin and reinforcing fiber materials interlayer, and improve the glass fiber content of goods, can reach more than 70%, therefore product weight is lighter, and monolithic area tablet weight can reduce 10%-70%；Intensity is higher, and three-point bending strength can improve 20%-80%, so facilitates building site to construct；
2, resin loss can be reduced, be thus advantageous to reduce the cost of goods；
3, the pressure of goods different parts is consistent, contributes to the resin infiltration to glass and keeps consistent, it is possible to keeps building template product weight stable.
[detailed description of the invention]
A kind of building template top board double-side fibre cloth foam sandwich boards involved in the present invention, it is characterized in that: the central core of described double-side fibre cloth foam sandwich boards is a cystosepiment, and the two sides of described cystosepiment is equipped with the reinforcing fiber materials layer impregnating resin respectively；Described cystosepiment thickness is 5-30mm；Compressive strength >=0.80MPa, modulus of compressibility >=40；Shear strength >=0.70MPa, modulus of shearing >=20；Described reinforcing fiber materials layer is the one in glass fabric, carbon cloth or plant fiber cloth.
The structure type of described glass fabric is 0 °/90 ° axial cloth, ± 45 ° of axial cloth, chopped mat, 0 °/90 ° axial and chopped mat Compound Fabric, 0 °/90 ° at least one axially and in chopped mat Compound Fabric, plain weave woven roving, twill woven roving.
Described resin is unsaturated-resin, and containing the pre-accelerator of cobalt salt in resin；Being added with firming agent in described unsaturated-resin, the weight that described firming agent adds accounts for the 1～2% of unsaturated-resin weight.Described firming agent is methyl ethyl ketone peroxide.
The invention still further relates to the preparation technology of above-mentioned a kind of building template top board double-side fibre cloth foam sandwich boards, the step of described preparation technology is as follows:
Step 10, preparation mould, die surface polishes with 800 order sand paper, or re-plating last layer；Die edge at least retains 15 centimetres, it is simple to the laying of sealing strip and resin guide pipe；
Step 20, in mould, lay central core cystosepiment, and the reinforcing fiber materials layer of cystosepiment both sides, be also equipped with release cloth and flow-guiding cloth outside each reinforcing fiber materials layer successively, form a system；The two ends of one resin guide pipe are connected this system and unsaturated-resin respectively, finally uses vacuum bag and sealing strip by whole die sealing；
Step 30, by the system evacuation in mould, and toward adding firming agent in unsaturated-resin, open resin guide tube valve；Mold cavity is formed a negative pressure, utilizes the pressure that vacuum produces to be pressed in reinforcing fiber materials layer by resin guide pipe by unsaturated-resin, allow resin sized reinforcing fibres material finally be full of whole mould；
Step 40, until unsaturated-resin solidify after, be removed from the molds goods, and carry out post curing treatment, the temperature and time of post curing treatment is as follows: room temperature, 8h；60 DEG C, 8h.
Below in conjunction with specific embodiment, the present invention is done explanation further.
In summary, the exploitation that present invention process is used for composite material building mould board roof system contributes to solving problems with:
1, can reducing the bubble of resin and reinforcing fiber materials interlayer, and improve the glass fiber content of goods, can reach more than 70%, therefore product weight is lighter, and monolithic area tablet weight can reduce 10%-70%；Intensity is higher, and three-point bending strength can improve 20%-80%, so facilitates building site to construct；
2, resin loss can be reduced, be thus advantageous to reduce the cost of goods；
3, the pressure of goods different parts is consistent, contributes to the resin infiltration to glass and keeps consistent, it is possible to keeps building template product weight stable.
Although the foregoing describing the specific embodiment of the present invention; but those familiar with the art is to be understood that; we are merely exemplary described specific embodiment; rather than for the restriction to the scope of the present invention; those of ordinary skill in the art, in the equivalent modification made according to the spirit of the present invention and change, should be encompassed in the scope of the claimed protection of the present invention.
Claims (9)
1. a building template top board double-side fibre cloth foam sandwich boards, it is characterised in that: the central core of described double-side fibre cloth foam sandwich boards is a cystosepiment, and the two sides of described cystosepiment is equipped with the reinforcing fiber materials layer impregnating resin respectively；Described cystosepiment thickness is 5-30mm；Compressive strength >=0.80MPa, modulus of compressibility >=40；Shear strength >=0.70MPa, modulus of shearing >=20；Described reinforcing fiber materials layer is the one in glass fabric, carbon cloth or plant fiber cloth.
2. a kind of building template top board double-side fibre cloth foam sandwich boards according to claim 1, it is characterised in that: the structure type of described glass fabric is 0 °/90 ° axial cloth, ± 45 ° of axial cloth, chopped mat, 0 °/90 ° axial and chopped mat Compound Fabric, 0 °/90 ° at least one axially and in chopped mat Compound Fabric, plain weave woven roving, twill woven roving.
3. a kind of building template top board double-side fibre cloth foam sandwich boards according to claim 1, it is characterised in that: described resin is unsaturated-resin, and containing the pre-accelerator of cobalt salt in resin；Being added with firming agent in described unsaturated-resin, the weight that described firming agent adds accounts for the 1～2% of unsaturated-resin weight.
4. the building template top board preparation technology of double-side fibre cloth foam sandwich boards, it is characterised in that: the step of described preparation technology is as follows:
Step 10, preparation mould, die surface polishes with 800 order sand paper, or re-plating last layer；
Step 20, in mould, lay central core cystosepiment, and the reinforcing fiber materials layer of cystosepiment both sides, be also equipped with release cloth and flow-guiding cloth outside each reinforcing fiber materials layer successively, form a system；The two ends of one resin guide pipe are connected this system and unsaturated-resin respectively, finally with vacuum bag by whole die sealing；
Step 40, by the system evacuation in mould, and toward adding firming agent in unsaturated-resin, open resin guide pipe；Mold cavity is formed a negative pressure, utilizes the pressure that vacuum produces to be pressed in reinforcing fiber materials layer by resin guide pipe by unsaturated-resin；
Step 50, until unsaturated-resin solidify after, be removed from the molds goods, and carry out post curing treatment, the temperature and time of post curing treatment is as follows: room temperature, 8h；60 DEG C, 8h.
5. the preparation technology of a kind of building template top board double-side fibre cloth foam sandwich boards according to claim 4, it is characterised in that: described cystosepiment thickness is 5-30mm；Compressive strength >=0.80MPa, modulus of compressibility >=40；Shear strength >=0.70MPa, modulus of shearing >=20.
6. the preparation technology of a kind of building template top board double-side fibre cloth foam sandwich boards according to claim 4, it is characterised in that: described reinforcing fiber materials layer is the one in glass fabric, carbon cloth or plant fiber cloth.
7. the preparation technology of a kind of building template top board double-side fibre cloth foam sandwich boards according to claim 6, it is characterised in that: the structure type of described glass fabric is 0 °/90 ° axial cloth, ± 45 ° of axial cloth, chopped mat, 0 °/90 ° axial and chopped mat Compound Fabric, 0 °/90 ° at least one axially and in chopped mat Compound Fabric, plain weave woven roving, twill woven roving.
8. the preparation technology of a kind of building template top board double-side fibre cloth foam sandwich boards according to claim 4, it is characterised in that: described resin is unsaturated-resin, and containing the pre-accelerator of cobalt salt in resin；Being added with firming agent in described unsaturated-resin, the weight that described firming agent adds accounts for the 1～2% of unsaturated-resin weight.
9. the preparation technology of a kind of building template top board double-side fibre cloth foam sandwich boards according to claim 8, it is characterised in that: described firming agent is methyl ethyl ketone peroxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610135841.2A CN105799281A (en) | 2016-03-10 | 2016-03-10 | Double-sided fiber cloth foam sandwich board for building template roof and preparation technique thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610135841.2A CN105799281A (en) | 2016-03-10 | 2016-03-10 | Double-sided fiber cloth foam sandwich board for building template roof and preparation technique thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105799281A true CN105799281A (en) | 2016-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610135841.2A Pending CN105799281A (en) | 2016-03-10 | 2016-03-10 | Double-sided fiber cloth foam sandwich board for building template roof and preparation technique thereof |
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| Country | Link |
|---|---|
| CN (1) | CN105799281A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108381943A (en) * | 2018-01-22 | 2018-08-10 | 江苏长达环保节能科技有限公司 | A kind of shuttering made of novel composite material and its preparation process |
| CN108481472A (en) * | 2018-03-06 | 2018-09-04 | 四川砼鼎模建新材料有限公司 | Waste and old template recycling prepares the method and glass steel composite board of glass steel composite board |
| CN112590339A (en) * | 2020-11-17 | 2021-04-02 | 宁波诺丁汉大学 | Sandwich structure sandwich plate based on glass fiber reinforced plastic reclaimed materials and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0359265A (en) * | 1989-07-28 | 1991-03-14 | Jsp Corp | Heat insulating board concurrently serving as formwork |
| CN102296805A (en) * | 2011-06-21 | 2011-12-28 | 常州市宏发纵横新材料科技股份有限公司 | Recyclable composite material building template and manufacturing method thereof |
| CN103009728A (en) * | 2011-09-26 | 2013-04-03 | 蓝星环境工程有限公司 | Composite material plate, preparation method and use of composite material plate |
-
2016
- 2016-03-10 CN CN201610135841.2A patent/CN105799281A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0359265A (en) * | 1989-07-28 | 1991-03-14 | Jsp Corp | Heat insulating board concurrently serving as formwork |
| CN102296805A (en) * | 2011-06-21 | 2011-12-28 | 常州市宏发纵横新材料科技股份有限公司 | Recyclable composite material building template and manufacturing method thereof |
| CN103009728A (en) * | 2011-09-26 | 2013-04-03 | 蓝星环境工程有限公司 | Composite material plate, preparation method and use of composite material plate |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108381943A (en) * | 2018-01-22 | 2018-08-10 | 江苏长达环保节能科技有限公司 | A kind of shuttering made of novel composite material and its preparation process |
| CN108481472A (en) * | 2018-03-06 | 2018-09-04 | 四川砼鼎模建新材料有限公司 | Waste and old template recycling prepares the method and glass steel composite board of glass steel composite board |
| CN112590339A (en) * | 2020-11-17 | 2021-04-02 | 宁波诺丁汉大学 | Sandwich structure sandwich plate based on glass fiber reinforced plastic reclaimed materials and preparation method thereof |
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Application publication date: 20160727 |