CN113561600A - Preparation method of fiber-reinforced PP (polypropylene) foam insulation board - Google Patents

Preparation method of fiber-reinforced PP (polypropylene) foam insulation board Download PDF

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Publication number
CN113561600A
CN113561600A CN202110860863.6A CN202110860863A CN113561600A CN 113561600 A CN113561600 A CN 113561600A CN 202110860863 A CN202110860863 A CN 202110860863A CN 113561600 A CN113561600 A CN 113561600A
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CN
China
Prior art keywords
fiber reinforced
reinforced
insulation board
foam insulation
preparation
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Pending
Application number
CN202110860863.6A
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Chinese (zh)
Inventor
许奕
潘惠良
周金彪
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Zhejiang Haozhuo New Material Technology Co ltd
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Zhejiang Haozhuo New Material Technology Co ltd
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Priority to CN202110860863.6A priority Critical patent/CN113561600A/en
Publication of CN113561600A publication Critical patent/CN113561600A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/32Layered products comprising a layer of synthetic resin comprising polyolefins
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/06Layered 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
    • B32B27/065Layered 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1284Application of adhesive
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00Ancillary operations in connection with laminating processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered 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
    • B32B5/18Layered 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 of foamed material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00Layered 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
    • B32B7/04Interconnection of layers
    • B32B7/12Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02Composition of the impregnated, bonded or embedded layer
    • B32B2260/021Fibrous or filamentary layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04Impregnation, embedding, or binder material
    • B32B2260/046Synthetic resin
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00Composition of foam
    • B32B2266/02Organic
    • B32B2266/0214Materials belonging to B32B27/00
    • B32B2266/025Polyolefin

Abstract

The invention relates to a preparation method of a fiber-reinforced PP foam insulation board, and belongs to the technical field of insulation boards. The fiber-reinforced PP foam insulation board is of a sandwich structure formed by bonding a surface layer and a core layer in a thermal compounding mode, wherein the surface layer is made of one or more of a continuous glass fiber-reinforced PP board with the mass fraction of 50% -70% and a long glass fiber-reinforced PP board with the mass fraction of 50% -70%, and the core layer is made of one or more of an EPP foam board or an MPP foam board; the preparation method of the fiber-reinforced PP foam insulation board comprises the following steps: unwinding a surface material through an unwinding frame, putting the surface material into a core material, flattening the surface material through a guide roller, putting the core material in order, pulling the material at the speed of 1-3m/min, baking the material at the temperature of 200 ℃ under 160-0.1 MPa, cooling the material to the temperature of 10-15 ℃, and finally cutting the material.

Description

Preparation method of fiber-reinforced PP (polypropylene) foam insulation board
Technical Field
The invention relates to a preparation method of a fiber-reinforced PP foam insulation board, and belongs to the technical field of insulation boards.
Background
Because people's living standard improves constantly in recent years, the refrigerated transport enlarges constantly, market is to the heated board demand of refrigerator car increase year by year, because the development of new energy car, also look more heavily to the lightweight of refrigerator, common heated board has glass steel PU composite sheet on the market, glass steel XPS composite sheet, there is heavy in weight, intensity is low, keep warm and sealing performance subalternation shortcoming, lead to the heated board not to reach and subtract heavy and thermal-insulated heat retaining purpose, the application development of heated board has been restricted.
In view of this, patent document No. 202010991288.9 discloses a production process of an organic composite foam insulation board, which has relatively high production process requirements and low production efficiency.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the preparation method of the fiber reinforced PP foam insulation board with reasonable structural design.
The technical scheme adopted by the invention for solving the problems is as follows: the preparation method of the fiber-reinforced PP foam insulation board is characterized by comprising the following steps: the fiber reinforced PP foam insulation board is of a sandwich structure formed by bonding a surface layer and a core layer in a thermal compounding mode, wherein the surface layer is made of one or more of a continuous glass fiber reinforced PP board with the mass fraction of 50% -70% and a long glass fiber reinforced PP board with the mass fraction of 50% -70%, and the core layer is made of one or more of an EPP foam board or an MPP foam board;
the preparation method of the fiber-reinforced PP foam insulation board comprises the following steps: unwinding a surface material through an unwinding frame, putting the surface material into a core material, flattening the surface material through a guide roller, putting the core material in order, pulling the material at the speed of 1-3m/min, baking the material at the temperature of 200 ℃ under 160-0.1 MPa, cooling the material to the temperature of 10-15 ℃, and finally cutting the material.
Furthermore, the material of one side of the surface layer is ternary copolymer polypropylene, the continuous glass fiber reinforced PP plate is compounded with the ternary copolymer polypropylene layer in a hot roller rolling mode, and the long glass fiber reinforced PP plate is compounded with the ternary copolymer polypropylene layer in a multilayer co-extrusion mode to form the surface layer material.
Further, the thickness of the continuous glass fiber reinforced PP plate is 0.7-1.5mm, and the surface density is 0.9-2.2 kg/m2
Further, the thickness of the long glass fiber reinforced PP plate is 2-3mm, and the surface density is 2-3kg/m2
Further, the thickness of the surface layer is 0.03-0.05 mm.
Further, the surface layer material is preferably a continuous glass fiber reinforced PP plate.
Further, the core layer material has a volume weight of 30-45kg/m3The PP of (1) is foamed.
Further, when the surface layer material is unreeled, the surface of the ternary copolymer polypropylene is connected with the surface of the core layer material, a continuous glass fiber reinforced PP plate is selected, and the layer laying design is required.
Compared with the prior art, the invention has the following advantages:
1. the raw materials and equipment in the invention, including the selection of materials and forming methods, can achieve simple equipment, low price, low process requirement, continuous production and improved energy efficiency.
2. The raw materials in the invention can be food grade materials, and the processing is carried out in a thermal compounding mode, so that the whole process has no harmful smell, no pollution to the environment and is healthier for people.
3. The insulation board prepared by the invention has the advantages of small density, high strength and long service life, can be completely installed and sealed in the existing insulation board mode, has no independent cost, adopts hot-melt splicing and other modes, and reduces the cost.
4. The prepared product and the produced leftover materials in the invention can be recycled, belonging to the green product technology.
Drawings
Fig. 1 is a schematic structural diagram of a fiber reinforced PP foam insulation board according to an embodiment of the present invention.
In the figure: surface layer 1 and core layer 2.
Detailed Description
The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.
Example (b):
referring to fig. 1, it should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for understanding and reading the disclosure, and are not used for limiting the conditions that the present invention can be implemented, so they have no technical essence, and any structural modifications, ratio changes or size adjustments should fall within the scope of the present invention without affecting the function and the achievable purpose of the present invention. In the present specification, the terms "upper", "lower", "left", "right", "middle" and "one" are used for clarity of description, and are not used to limit the scope of the present invention, and the relative relationship between the terms and the relative positions may be changed or adjusted without substantial technical changes.
In the preparation method of the fiber reinforced PP foam insulation board in the embodiment, the fiber reinforced PP foam insulation board is of a sandwich structure formed by bonding the surface layer 1 and the core layer 2 in a thermal compounding manner.
The surface layer 1 is made of one or more of a continuous glass fiber reinforced PP plate with the mass fraction of 50-70% and a long glass fiber reinforced PP plate with the mass fraction of 50-70%, the thickness of the continuous glass fiber reinforced PP plate is 0.7-1.5mm, and the surface density is 0.9-2.2 kg/m2The thickness of the long glass fiber reinforced PP plate is 2-3mm, and the surface density is 2-3kg/m2The thickness of the surface layer 1 is 0.03-0.05mm, and the material of the surface layer 1 is preferably a continuous glass fiber reinforced PP plate; the core layer 2 is made of one or more of EPP foaming board or MPP foaming boardThe core layer 2 is made of 30-45kg/m volume weight3The PP of (1) is foamed.
The material of one side of the surface layer 1 is ternary copolymer polypropylene, the continuous glass fiber reinforced PP plate is compounded with the ternary copolymer polypropylene layer in a hot roller rolling mode, and the long glass fiber reinforced PP plate is compounded with the ternary copolymer polypropylene layer in a multilayer co-extrusion mode to form the material of the surface layer 1.
The preparation method of the fiber reinforced PP foam insulation board comprises the following steps: unwinding the surface layer 1 material through an unwinding frame, putting the surface material into a core material, flattening the surface material through a guide roller, putting the core material in order, pulling the material at the speed of 1-3m/min, baking the material at the temperature of 200 ℃ under 160-0.1 MPa, cooling the material to the temperature of 10-15 ℃, and finally cutting the material; when the surface layer 1 material is unreeled, the ternary polymerization polypropylene surface is connected with the material surface of the core layer 2, and a continuous glass fiber reinforced PP plate is selected and needs to be subjected to layer laying design.
Example 1 method of producing continuous fiber reinforced MPP foam.
Unreeling a continuous glass fiber reinforced PP plate material through an unreeling rack, paving 5 layers of prepreg tapes according to design requirements, wherein the prepreg paving angle is 0 degree/90 degrees/0 degree, leveling the prepreg through a metal roller, putting an MPP core material into the MPP core material, leveling the surface material through a guide roller, placing the core material in order, pulling the material at the speed of 1.5m/min, baking the material at 160 ℃, cooling the material at the pressure of 0.03MPa, keeping the temperature of cooling water at 10 ℃, and finally cutting.
Example 2 production of continuous fiber reinforced EPP foam.
Unreeling a continuous glass fiber reinforced PP plate material through an unreeling rack, paving 4 layers of prepreg tapes according to design requirements, wherein the prepreg paving angle is 0 degree/90 degrees/0 degree/90 degrees, leveling the prepreg through a metal roller, putting an EPP core material into the EPP core material, leveling the surface material through a guide roller, placing the core material orderly, pulling the material at the speed of 1.2m/min, baking the material at 160 ℃, cooling the material at the temperature of 10 ℃ under the pressure of 0.03MPa, and finally cutting.
Example 3 production of long fiber reinforced EPP foam.
Unreeling the long glass fiber reinforced PP plate material through an unreeling frame, flattening the long glass fiber reinforced PP plate material through a metal roller, putting an EPP core material into the EPP core material, flattening the surface material through a guide roller, placing the core material orderly, pulling the material at the speed of 1.5m/min, baking the material at 160 ℃, cooling the material at the temperature of 10 ℃ under the pressure of 0.03MPa, and finally cutting.
Example 4 production of long fiber reinforced MPP foam.
Unreeling the long glass fiber reinforced PP plate material through an unreeling frame, flattening the long glass fiber reinforced PP plate material through a metal roller, putting an MPP core material into the MPP core material, flattening the surface material through a guide roller, placing the core material orderly, pulling the material at the speed of 1.8m/min, baking the material at the temperature of 180 ℃, cooling the material at the temperature of 15 ℃ under the pressure of 0.03MPa, and finally cutting.
Performance of Test method Unit of Example 1 Example 2 Example 3 Example 4
Bending properties GB/T 9341-2000 MPa 17 13 6 5
Peel strength GB/T 10297-2006 n/mm2 136 136 138 137
From the performance observation, the more the number of the laid prepreg tapes in the board is, the higher the strength is, and the laying of the prepreg tapes determines the performance of the board, so that the maximum benefit of economic benefit can be reflected according to the performance and the practical application environment.
In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an illustration of the structure of the present invention. Equivalent or simple changes in the structure, characteristics and principles of the invention are included in the protection scope of the patent. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims (8)

1. A preparation method of a fiber reinforced PP foam insulation board is characterized by comprising the following steps: the fiber-reinforced PP foam insulation board is of a sandwich structure formed by bonding a surface layer (1) and a core layer (2) in a thermal compounding mode, wherein the surface layer (1) is made of one or more of a continuous glass fiber-reinforced PP board with the mass fraction of 50% -70% and a long glass fiber-reinforced PP board with the mass fraction of 50% -70%, and the core layer (2) is made of one or more of an EPP foaming board or an MPP foaming board;
the preparation method of the fiber-reinforced PP foam insulation board comprises the following steps: unreeling the surface layer (1) material through an unreeling rack and putting the surface layer into a core material, flattening the surface material through a guide roller, orderly putting the core material, pulling the material at the speed of 1-3m/min, baking the material at the temperature of 200 ℃ under 160-0.1 MPa, cooling the material at the temperature of 10-15 ℃, and finally cutting.
2. The preparation method of the fiber reinforced PP foam insulation board according to claim 1, characterized in that: the surface layer (1) is made of ternary polymerization polypropylene, the continuous glass fiber reinforced PP plate is compounded with the ternary polymerization polypropylene layer in a hot roller rolling mode, and the long glass fiber reinforced PP plate is compounded with the ternary polymerization polypropylene layer in a multilayer co-extrusion mode to form the surface layer (1) material.
3. The preparation method of the fiber reinforced PP foam insulation board according to claim 1, characterized in that: the thickness of the continuous glass fiber reinforced PP plate is 0.7-1.5mm, and the surface density is 0.9-2.2 kg/m2
4. The preparation method of the fiber reinforced PP foam insulation board according to claim 1, characterized in that: the thickness of the long glass fiber reinforced PP plate is 2-3mm, and the surface density is 2-3kg/m2
5. The preparation method of the fiber reinforced PP foam insulation board according to claim 1, characterized in that: the thickness of the surface layer (1) is 0.03-0.05 mm.
6. The preparation method of the fiber reinforced PP foam insulation board according to claim 1, characterized in that: the surface layer (1) is made of a continuous glass fiber reinforced PP plate.
7. The preparation method of the fiber reinforced PP foam insulation board according to claim 1, characterized in that: the core layer (2) is made of 30-45kg/m bulk density3The PP of (1) is foamed.
8. The preparation method of the fiber reinforced PP foam insulation board according to claim 1, characterized in that: when the surface layer (1) material is unreeled, the ternary polymerization polypropylene surface is connected with the material surface of the core layer (2), and a continuous glass fiber reinforced PP plate is selected and needs to be subjected to layer laying design.
CN202110860863.6A 2021-07-29 2021-07-29 Preparation method of fiber-reinforced PP (polypropylene) foam insulation board Pending CN113561600A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114953644A (en) * 2022-04-29 2022-08-30 城资泰诺(山东)新材料科技有限公司 Fiber-reinforced thermoplastic insulation board and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104175612A (en) * 2014-08-06 2014-12-03 浙江联洋新材料股份有限公司 Continuous glass fiber and reinforced-polypropylene thermoplastic honeycomb plate and manufacture method thereof
CN106363933A (en) * 2016-08-29 2017-02-01 青岛红石极威实业发展有限公司 Continuous fibre reinforced PVC building template equipment and forming method thereof
CN109397785A (en) * 2017-08-16 2019-03-01 上海杰事杰新材料(集团)股份有限公司 High-strength light flame-proof weather-resisting continuous fiber reinforcement thermoplastic composite board and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104175612A (en) * 2014-08-06 2014-12-03 浙江联洋新材料股份有限公司 Continuous glass fiber and reinforced-polypropylene thermoplastic honeycomb plate and manufacture method thereof
CN106363933A (en) * 2016-08-29 2017-02-01 青岛红石极威实业发展有限公司 Continuous fibre reinforced PVC building template equipment and forming method thereof
CN109397785A (en) * 2017-08-16 2019-03-01 上海杰事杰新材料(集团)股份有限公司 High-strength light flame-proof weather-resisting continuous fiber reinforcement thermoplastic composite board and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114953644A (en) * 2022-04-29 2022-08-30 城资泰诺(山东)新材料科技有限公司 Fiber-reinforced thermoplastic insulation board and preparation method thereof

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