Flame-retardant thermal-insulation composite wallboard

Abstract

The invention discloses a flame-retardant thermal-insulation composite wallboard, and relates to the technical field of building wallboards. The invention discloses a flame-retardant PET (Polyethylene Terephthalate) composite material, which is composed of PET slices and auxiliaries, the auxiliaries comprise a nucleating agent NUP-05, a chain extender M-02B and a flame retardant FR-01A, and the raw materials in percentage by weight are as follows: 3 to 5 percent by weight of the nucleating agent NUP-05, 1.5 to 2.0 percent by weight of the chain extender M-02B, 5 to 8 percent by weight of the flame retardant FR-01A and 85 to 90.5 percent by weight of the PET slices. And the intrinsic viscosity IV value of the PET slice is 0.82. The wallboard adopted by the invention is reasonable in formula, and the prepared composite wallboard is comprehensive in function, has better fireproof, flame-retardant, heat-insulating and sound-insulating effects, and is low in cost, high in practical adaptability and wide in application prospect.

Description

Technical Field

[0001] The invention relates to the technical field of building wall panels, and in particular to a flame retardant and heat-insulating composite wall panel. Background Art

[0002] Composite wall panels are made of a variety of building materials. As an industrially produced building partition, they are environmentally friendly, energy-saving, pollution-free, lightweight, earthquake-resistant, and quick to construct. With the development and upgrading of the construction industry and the guidance of the national energy-saving and emission reduction policies, composite wall panels have great development potential. The existing composite wall panels on the market have a single structure and function, and their effects in fire retardancy, thermal insulation and sound insulation are average, and their practical adaptability is not strong. In addition, the cost is high and they cannot be promoted and used on a large scale. Based on this, it is particularly necessary to develop a flame-retardant and thermal insulation composite wall panel. Summary of the invention

[0003] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a flame retardant and thermal insulation composite wall panel with comprehensive functions, good fire retardancy, thermal insulation and sound insulation effects, strong practicality, low cost and easy to promote and use.

[0004] In order to achieve the above-mentioned object, the present invention is realized through the following technical scheme: a flame retardant thermal insulation composite wallboard, which is composed of PET slices and additives, wherein the additives include nucleating agent NUP-05, chain extender M-02B, and flame retardant FR-01A, and the weight percentage of each raw material is as follows: nucleating agent NUP-05 3-5%wt, chain extender M-02B 1.5-2.0%wt, flame retardant FR-01A 5-8%wt, PET slices 85-90.5%wt.

[0005] Preferably, the intrinsic viscosity IV value of the PET chips is 0.82.

[0006] Preferably, the flame retardant thermal insulation composite wallboard is composed of the following raw materials by weight percentage: 3%wt of nucleating agent NUP-05, 1.7%wt of chain extender M-02B, 5%wt of flame retardant FR-01A, and 90.3%wt of PET chips.

[0007] Preferably, the flame retardant thermal insulation composite wallboard is composed of the following raw materials by weight percentage: 4%wt of nucleating agent NUP-05, 2.0%wt of chain extender M-02B, 6.5%wt of flame retardant FR-01A, and 87.5%wt of PET chips.

[0008] Preferably, the flame retardant thermal insulation composite wallboard is composed of the following raw materials by weight percentage: 5%wt of nucleating agent NUP-05, 1.5%wt of chain extender M-02B, 7%wt of flame retardant FR-01A, and 86.5%wt of PET chips.

[0009] A method for preparing a flame retardant thermal insulation composite wallboard is as follows:

[0010] (1) Raw material preparation:

[0011] According to the formula, weigh the nucleating agent NUP-05 3-5%wt, the chain extender M-02B 1.5-2.0%wt, the flame retardant FR-01A 5-8%wt, and the PET chips 85-90.5%wt;

[0012] (2) Mixing:

[0013] Put the weighed PET chips, nucleating agent NUP-05, chain extender M-02B and flame retardant FR-01A into the mixing equipment and mix them thoroughly;

[0014] (3) Melt extrusion:

[0015] Add the mixed raw materials into the extruder and perform melt extrusion at a temperature of 260-280°C. The temperature of the extruder is set above the melting point of PET to ensure that the raw materials are completely melted;

[0016] (4) Cooling molding:

[0017] The molten material after extrusion is extruded through a die and then rapidly cooled and solidified to form the desired composite wallboard shape;

[0018] (5) Cutting and packaging:

[0019] The cooled composite wall panels are cut to the required size and packaged.

[0020] Beneficial effects of the present invention: The addition of flame retardant FR-01A makes the wallboard have good flame retardant effect, can remain stable in high temperature environment, will not decompose or lose flame retardant effect, so as to continuously protect the wallboard from fire threat. The use of nucleating agent NUP-05 and chain extender M-02B improves the rigidity, surface gloss, tensile strength, impact toughness and heat deformation temperature of the wallboard, making the wallboard more durable. The intrinsic viscosity IV value of PET slices is 0.82, which has good processability. With the effects of nucleating agent and chain extender, the molding cycle of wallboard products is shortened and the processing efficiency is improved. The design of composite wallboard has good thermal insulation and sound insulation effects, is suitable for various building environments, and improves living comfort. By optimizing the ratio of additives and selecting cost-effective materials, the raw material cost of wallboard is effectively controlled, and the production cost is greatly reduced compared with wallboards with traditional formulas. Flame retardant FR-01A has good chemical stability and will not react with other substances, ensuring that the effect of wallboard is stable and reliable in long-term use. The combination of materials and additives of the wallboard improves its overall durability, enabling it to maintain good performance in a variety of harsh environments and extend its service life.

[0021] In summary, the wallboard formula adopted in the present invention is reasonable, the composite wallboard prepared has comprehensive functions, has good fire retardant, thermal insulation and sound insulation effects, is low in cost, has strong practical adaptability, and has broad application prospects. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0023] This specific implementation adopts the following technical scheme: a flame retardant thermal insulation composite wallboard, composed of PET slices and additives, wherein the additives include nucleating agent NUP-05, chain extender M-02B, and flame retardant FR-01A, and the weight percentage of each raw material is as follows: nucleating agent NUP-05 3-5%wt, chain extender M-02B 1.5-2.0%wt, flame retardant FR-01A 5-8%wt, PET slices 85-90.5%wt.

[0024] It is worth noting that the intrinsic viscosity IV value of the PET chips is 0.82, with good mechanical properties and good processability.

[0025] This specific implementation method uses nucleating agent NUP-05, chain extender M-02B, and flame retardant FR-01A as wallboard additives, wherein the nucleating agent NUP-05 is used as a polymer modification additive to change part of the crystallization behavior, accelerate the crystallization rate, increase the crystallization density and promote the refinement of the grain size, thereby improving the rigidity, surface gloss, tensile strength, impact toughness and heat deformation temperature of the wallboard products, shortening the molding cycle of the wallboard products, and improving the processing and application performance of the wallboard products; the chain extender M-02B is used to improve the mechanical properties and process properties of the wallboard products, and can improve the heat resistance, hardness and elasticity of the wallboard, making the wallboard stronger, more wear-resistant and having better physical properties, greatly improving Quality and durability of wall panels; Flame retardant FR-01A has excellent flame retardant properties and has the advantages of reducing stickiness and surface adhesion. Compared with other flame retardants on the market, it has good compatibility with various materials. While achieving the same flame retardant properties, the amount of flame retardant used is less, and its price is low, which greatly reduces the cost of wall panel products. The addition of flame retardants greatly enhances the flame retardant reliability of wall panels. It has good stability and durability. It will not decompose or lose its flame retardant effect in high temperature environments, and can continuously protect wall panels from fire threats. In addition, flame retardant FR-01A also has good chemical stability and will not react with other substances, thereby ensuring the long-term use of wall panels with stable and reliable effects.

[0026] The specific implementation method has low cost. According to 3% nucleating agent NUP-05 32.8 yuan / KG, 1.7% chain extender M-02B 27.5 yuan / KG, 5% flame retardant FR-01A 151 yuan / KG and 90.3% PET chips 7000 yuan / ton, the raw material cost of the wallboard with the above ratio is about 15611 yuan / ton, which greatly reduces the raw material cost compared with the wallboard with traditional formula. In summary, the composite wallboard has good fire retardancy, excellent thermal insulation and sound insulation effect, comprehensive functions, and broad market application prospects.

[0027] Example 1: A flame retardant thermal insulation composite wallboard is composed of the following raw materials by weight percentage: 3% wt of nucleating agent NUP-05, 1.7% wt of chain extender M-02B, 5% wt of flame retardant FR-01A, and 90.3% wt of PET chips with an IV value of 0.82.

[0028] A method for preparing a flame retardant thermal insulation composite wallboard is as follows:

[0029] (1) Raw material preparation:

[0030] According to the formula, weigh 3%wt of nucleating agent NUP-05, 1.7%wt of chain extender M-02B, 5%wt of flame retardant FR-01A, and 90.3%wt of PET chips with an IV value of 0.82;

[0031] (2) Mixing:

[0032] Put the weighed PET chips, nucleating agent NUP-05, chain extender M-02B and flame retardant FR-01A into the mixing equipment and mix them thoroughly;

[0033] (3) Melt extrusion:

[0034] Add the mixed raw materials into the extruder and perform melt extrusion at 265°C. The temperature of the extruder is set above the melting point of PET to ensure that the raw materials are completely melted.

[0035] (4) Cooling molding:

[0036] The molten material after extrusion is extruded through a die and then rapidly cooled and solidified to form the desired composite wallboard shape;

[0037] (5) Cutting and packaging:

[0038] The cooled composite wall panels are cut to the required size and packaged.

[0039] Example 2: A flame retardant thermal insulation composite wallboard is composed of the following raw materials by weight percentage: 4% wt of nucleating agent NUP-05, 2.0% wt of chain extender M-02B, 6.5% wt of flame retardant FR-01A, and 87.5% wt of PET chips with an IV value of 0.82.

[0040] A method for preparing a flame retardant thermal insulation composite wallboard is as follows:

[0041] (1) Raw material preparation:

[0042] According to the formula, weigh 4%wt of nucleating agent NUP-05, 2.0%wt of chain extender M-02B, 6.5%wt of flame retardant FR-01A, and 87.5%wt of PET chips with an IV value of 0.82;

[0043] (2) Mixing:

[0044] Put the weighed PET chips, nucleating agent NUP-05, chain extender M-02B and flame retardant FR-01A into the mixing equipment and mix them thoroughly;

[0045] (3) Melt extrusion:

[0046] Add the mixed raw materials into the extruder and perform melt extrusion at 270°C. The temperature of the extruder is set above the melting point of PET to ensure that the raw materials are completely melted.

[0047] (4) Cooling molding:

[0048] The molten material after extrusion is extruded through a die and then rapidly cooled and solidified to form the desired composite wallboard shape;

[0049] (5) Cutting and packaging:

[0050] The cooled composite wall panels are cut to the required size and packaged.

[0051] Example 3: A flame retardant thermal insulation composite wallboard is composed of the following raw materials by weight percentage: 5% wt of nucleating agent NUP-05, 1.5% wt of chain extender M-02B, 7% wt of flame retardant FR-01A, and 86.5% wt of PET chips with an IV value of 0.82.

[0052] A method for preparing a flame retardant thermal insulation composite wallboard is as follows:

[0053] (1) Raw material preparation:

[0054] According to the formula, weigh 5%wt of nucleating agent NUP-05, 1.5%wt of chain extender M-02B, 7%wt of flame retardant FR-01A, and 86.5%wt of PET chips with an IV value of 0.82;

[0055] (2) Mixing:

[0056] Put the weighed PET chips, nucleating agent NUP-05, chain extender M-02B and flame retardant FR-01A into the mixing equipment and mix them thoroughly;

[0057] (3) Melt extrusion:

[0058] Add the mixed raw materials into the extruder and perform melt extrusion at a temperature of 275°C. The temperature of the extruder is set above the melting point of PET to ensure that the raw materials are completely melted.

[0059] (4) Cooling molding:

[0060] The molten material after extrusion is extruded through a die and then rapidly cooled and solidified to form the desired composite wallboard shape;

[0061] (5) Cutting and packaging:

[0062] The cooled composite wall panels are cut to the required size and packaged.

[0063] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A flame retardant thermal insulation composite wallboard, characterized in that: The invention is composed of PET chips and additives, wherein the additives include nucleating agent NUP-05, chain extender M-02B and flame retardant FR-01A, and the weight percentage of each raw material is as follows: nucleating agent NUP-05 3-5%wt, chain extender M-02B 1.5-2.0%wt, flame retardant FR-01A 5-8%wt, PET chips 85-90.5%wt.

2. The flame retardant thermal insulation composite wallboard according to claim 1, characterized in that: The intrinsic viscosity IV value of the PET slice is 0.

82.

3. The flame retardant thermal insulation composite wallboard according to claim 1, characterized in that: The composition is composed of the following raw materials by weight percentage: 3% wt of nucleating agent NUP-05, 1.7% wt of chain extender M-02B, 5% wt of flame retardant FR-01A, and 90.3% wt of PET chips.

4. The flame retardant thermal insulation composite wallboard according to claim 1, characterized in that: The composition is composed of the following raw materials by weight percentage: 4% wt of nucleating agent NUP-05, 2.0% wt of chain extender M-02B, 6.5% wt of flame retardant FR-01A, and 87.5% wt of PET chips.

5. The flame retardant thermal insulation composite wallboard according to claim 1, characterized in that: The composition is composed of the following raw materials by weight percentage: 5% wt of nucleating agent NUP-05, 1.5% wt of chain extender M-02B, 7% wt of flame retardant FR-01A, and 86.5% wt of PET chips.

6. The flame retardant thermal insulation composite wallboard according to claim 1, characterized in that: The preparation method of the composite wallboard is as follows: (1) Raw material preparation: According to the formula, weigh the nucleating agent NUP-05 3-5%wt, the chain extender M-02B 1.5-2.0%wt, the flame retardant FR-01A 5-8%wt, and the PET chips 85-90.5%wt; (2) Mixing: Put the weighed PET chips, nucleating agent NUP-05, chain extender M-02B and flame retardant FR-01A into the mixing equipment and mix them thoroughly; (3) Melt extrusion: Add the mixed raw materials into the extruder and perform melt extrusion at a temperature of 260-280°C. The temperature of the extruder is set above the melting point of PET to ensure that the raw materials are completely melted; (4) Cooling molding: The molten material after extrusion is extruded through a die and then rapidly cooled and solidified to form the desired composite wallboard shape; (5) Cutting and packaging: The cooled composite wall panels are cut to the required size and packaged.