CN112848531A - Novel high-strength polymethyl methacrylate composite board - Google Patents

Novel high-strength polymethyl methacrylate composite board Download PDF

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Publication number
CN112848531A
CN112848531A CN202110253696.9A CN202110253696A CN112848531A CN 112848531 A CN112848531 A CN 112848531A CN 202110253696 A CN202110253696 A CN 202110253696A CN 112848531 A CN112848531 A CN 112848531A
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China
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layer
polymethyl methacrylate
novel high
strength
groups
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CN202110253696.9A
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Chinese (zh)
Inventor
冯少卿
张苗
胡达远
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Wuxi Shuangxiang Photoelectric Material Co ltd
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Wuxi Shuangxiang Photoelectric Material Co ltd
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Priority to CN202110253696.9A priority Critical patent/CN112848531A/en
Publication of CN112848531A publication Critical patent/CN112848531A/en
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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
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/02—Layer formed of wires, e.g. mesh
    • 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
    • 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/18—Layered products comprising a layer of metal comprising iron or steel
    • 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
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • 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
    • B32B27/14—Layered products comprising a layer of synthetic resin next to a particulate layer
    • 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
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
    • 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
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
    • B32B3/085—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts spaced apart pieces on the surface of a layer
    • 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
    • B32B5/02—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 structural features of a fibrous or filamentary layer
    • 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
    • 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
    • B32B5/22—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • 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
    • B32B5/22—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/30—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being formed of particles, e.g. chips, granules, powder
    • 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
    • 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
    • B32B9/045—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 of synthetic resin
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F120/00—Homopolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
    • C08F120/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F120/10—Esters
    • C08F120/12—Esters of monohydric alcohols or phenols
    • C08F120/14—Methyl esters, e.g. methyl (meth)acrylate
    • 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
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10—Inorganic particles
    • B32B2264/107—Ceramic
    • 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
    • B32B2307/10—Properties of the layers or laminate having particular acoustical properties
    • B32B2307/102—Insulating
    • 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
    • B32B2307/304—Insulating
    • 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
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/416—Reflective

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention discloses a novel high-strength polymethyl methacrylate composite board which comprises a base board and two reinforcing layers, wherein a plurality of groups of connecting blocks are fixedly arranged on the upper surface and the lower surface of the base board, the plurality of groups of connecting blocks are uniformly laid on the surface of the base board, the two reinforcing layers are arranged in two groups, the two reinforcing layers are symmetrically arranged on the upper side and the lower side of the base board, a plurality of groups of connecting grooves are uniformly formed in the two reinforcing layers, the connecting blocks are fixedly arranged in the connecting grooves, a sound insulation layer is fixedly arranged on the outer surface of one group of reinforcing layers, a heat insulation layer is fixedly arranged on the outer surface of the other group of reinforcing layers, and a first polymethyl methacrylate layer is fixedly arranged on the. According to the invention, the reinforcing layer is arranged, so that the overall structural strength of the plate is increased, and the connection stability is increased and the strength of the plate is further improved through the design of the connecting block and the connecting groove.

Description

Novel high-strength polymethyl methacrylate composite board
Technical Field
The invention belongs to the technical field of composite boards, and particularly relates to a novel high-strength polymethyl methacrylate composite board.
Background
Composite panels are generally divided into: metal composite panels, wood composite panels, color steel composite panels, rock wool composite panels, and the like. The composite board has a board formed by layering different materials with different functions. Such as concrete for roofing, foam insulation and surface waterproofing. The sandwich board is also one of the composite boards, however, various high-strength polymethyl methacrylate composite boards on the market still have various problems.
For example, the composite plate and the preparation method thereof disclosed in the publication No. CN111331983A, although the composite plate has the characteristics of high transparency, high chemical resistance, durability and wide application range, the composite plate does not solve the problems of the existing high-strength composite plate of polymethyl methacrylate: the overall strength of the board is relatively low, and the heat preservation and sound insulation effects are poor, so that a novel high-strength polymethyl methacrylate composite board is provided.
Disclosure of Invention
The invention aims to provide a novel high-strength polymethyl methacrylate composite board to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a novel high-strength polymethyl methacrylate composite board comprises a base board and two reinforcing layers, wherein a plurality of groups of connecting blocks are fixedly arranged on the upper surface and the lower surface of the base board, the connecting blocks are uniformly laid on the surface of the base board, the two reinforcing layers are symmetrically arranged on the upper side and the lower side of the base board, a plurality of groups of connecting grooves are uniformly formed in the two reinforcing layers, the connecting blocks are fixedly arranged in the connecting grooves, a sound insulating layer is fixedly arranged on the outer surface of one group of the reinforcing layers, a heat insulating layer is fixedly arranged on the outer surface of the other group of the reinforcing layers, a first polymethyl methacrylate layer is fixedly arranged on the upper surface of the sound insulating layer, a first antireflection film layer is fixedly arranged on the upper surface of the first polymethyl methacrylate layer, a second polymethyl methacrylate layer is fixedly arranged on the lower surface of the heat insulating layer, and a second antireflection film layer is fixedly arranged on the lower surface of the second polymethyl methacrylate layer.
Preferably, the reinforced layer comprises glass fiber board layers and three steel wire mesh layers, and the three steel wire mesh layers are arranged in the glass fiber board layers at equal intervals.
Preferably, the soundproof layer sets up to the soundproof cotton layer, a plurality of groups micropore have evenly been seted up in the soundproof cotton layer.
Preferably, the heat insulation layer is a ceramic particle heat insulation layer, and the thickness of the heat insulation layer is 1-3 mm.
Preferably, the first polymethylmethacrylate layer and the second polymethylmethacrylate layer have the same structure.
Preferably, the outer surfaces of the first light reflection reducing film layer and the second light reflection reducing film layer are both provided with polished surfaces, and the inner surfaces of the first light reflection reducing film layer and the second light reflection reducing film layer are both provided with matte surfaces.
Preferably, the first antireflection coating layer comprises a magnesium fluoride layer and an aluminum oxide layer, the aluminum oxide layer is arranged on the outer side of the first antireflection coating layer, the magnesium fluoride layer is fixedly connected with the first polymethyl methacrylate layer, and the first antireflection coating layer and the second antireflection coating layer have the same structure.
Preferably, the method for preparing the first polymethylmethacrylate layer comprises the following steps:
s1, preparing raw materials: selecting raw materials, by weight, 60-100 parts of methyl methacrylate, 2-6 parts of antioxidant, 0.1-0.5 part of initiator, 1-3 parts of coupling agent, 1-5 parts of ultraviolet resistant agent and 0.2-0.4 part of defoaming agent;
s2, mixing raw materials: mixing methyl methacrylate, an antioxidant, an initiator, a coupling agent, an anti-ultraviolet agent and a defoaming agent together in parts by weight, and heating and stirring the mixture under a vacuum condition to react the mixture to form a reaction solution;
s3, pouring of the mold: cooling the reaction solution by water at 4-12 ℃, pouring the reaction solution into a mold, heating the mold to 45-50 ℃, preserving heat for 20-30h, and solidifying the reaction solution;
s4, plate forming: and repeating S3 until the height of the solidified reaction liquid in the mould reaches the thickness of the first polymethyl methacrylate layer to be prepared, and performing heat treatment to obtain the first polymethyl methacrylate layer.
Preferably, the antioxidant in S1 is NaHSO3, the initiator is one or more of tert-butyl peroxyneodecanoate, dibenzoyl peroxide, dibutyl peroxydicarbonate, tert-butyl peroxy2-ethylhexanoate and tert-butyl peroxyacetate, the coupling agent is isocyanate, the anti-ultraviolet agent is one or more of UV-P, UV-O, UV-9, UV-327 and Tinuvin P, and the defoamer is one or more of silicone emulsion, a higher alcohol fatty acid ester complex and polyoxyethylene polyoxypropylene pentaerythritol ether.
Preferably, the heat treatment process in S4 includes: heating the mold to 60-65 ℃, preserving heat for 4-5h, then heating the mold again to 80-85 ℃, preserving heat for 4-5h, finally heating the mold to 120-130 ℃, preserving heat for 4-5h, and then cooling to room temperature.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the invention, the reinforcing layer is arranged, so that the overall structural strength of the plate is increased, and the connection stability is increased and the strength of the plate is further improved through the design of the connecting block and the connecting groove.
(2) According to the invention, the heat preservation layer and the sound insulation layer are arranged on the inner sides of the first polymethyl methacrylate layer and the second polymethyl methacrylate layer, so that the overall heat preservation and sound insulation effects of the plate can be achieved, and meanwhile, the first antireflection film layer and the second antireflection film layer are arranged, so that the plate has a good antireflection effect.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the structure of the reinforcing layer of the present invention;
fig. 4 is a schematic structural diagram of the first antireflection film layer in the present invention.
In the figure: 1. a substrate; 2. a reinforcing layer; 201. a glass fiber ply layer; 202. a steel wire mesh layer; 3. connecting blocks; 4. connecting grooves; 5. a sound insulating layer; 6. a heat-insulating layer; 7. a first polymethylmethacrylate layer; 8. a first antireflection film layer; 801. a magnesium fluoride layer; 802. an aluminum oxide layer; 9. a second polymethyl methacrylate layer; 10. and a second antireflection film layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-4, the present invention provides a technical solution: a novel high-strength polymethyl methacrylate composite board comprises a base board 1 and two reinforcing layers 2, wherein a plurality of groups of connecting blocks 3 are fixedly arranged on the upper surface and the lower surface of the base board 1, the plurality of groups of connecting blocks 3 are uniformly laid on the surface of the base board 1, the two reinforcing layers 2 are arranged in two groups, the two reinforcing layers 2 are symmetrically arranged on the upper side and the lower side of the base board 1, a plurality of groups of connecting grooves 4 are uniformly arranged on the two reinforcing layers 2, the connecting blocks 3 are fixedly arranged in the connecting grooves 4, a sound insulating layer 5 is fixedly arranged on the outer surface of one group of reinforcing layers 2, a heat insulating layer 6 is fixedly arranged on the outer surface of the other group of reinforcing layers 2, a first polymethyl methacrylate layer 7 is fixedly arranged on the upper surface of the sound insulating layer 5, a first antireflection film layer 8 is fixedly arranged on the upper surface of the first, a second antireflection film layer 10 is fixedly arranged on the lower surface of the second polymethyl methacrylate layer 9.
In this embodiment, preferably, the reinforcing layer 2 includes a glass fiber board layer 201 and a steel wire mesh layer 202, the steel wire mesh layer 202 is provided with three sets, and the three sets of steel wire mesh layers 202 are laid in the glass fiber board layer 201 at equal intervals.
In this embodiment, preferably, the soundproof layer 5 is a soundproof cotton layer, and a plurality of groups of micropores are uniformly formed in the soundproof cotton layer.
In this embodiment, preferably, the insulating layer 6 is a ceramic particle insulating layer, and the thickness of the insulating layer 6 is set to be 1 mm.
In this embodiment, it is preferable that the first polymethyl methacrylate layer 7 and the second polymethyl methacrylate layer 9 have the same structure.
In this embodiment, preferably, the outer surfaces of the first light reflection reducing film layer 8 and the second light reflection reducing film layer 10 are both provided with smooth surfaces, and the inner surfaces of the first light reflection reducing film layer 8 and the second light reflection reducing film layer 10 are both provided with matte surfaces.
In this embodiment, preferably, the first light reflection reducing film layer 8 includes a magnesium fluoride layer 801 and an aluminum oxide layer 802, the aluminum oxide layer 802 is disposed on an outer side of the first light reflection reducing film layer 8, the magnesium fluoride layer 801 is fixedly connected to the first polymethyl methacrylate layer 7, and the first light reflection reducing film layer 8 and the second light reflection reducing film layer 10 have the same structure.
In this embodiment, it is preferable that the method for preparing the first polymethylmethacrylate layer 7 includes the steps of:
s1, preparing raw materials: selecting raw materials, by weight, 60 parts of methyl methacrylate, 2 parts of antioxidant, 0.1 part of initiator, 1 part of coupling agent, 1 part of anti-ultraviolet agent and 0.2 part of defoaming agent;
s2, mixing raw materials: mixing methyl methacrylate, an antioxidant, an initiator, a coupling agent, an anti-ultraviolet agent and a defoaming agent together in parts by weight, and heating and stirring the mixture under a vacuum condition to react the mixture to form a reaction solution;
s3, pouring of the mold: cooling the reaction solution by water at 4 ℃, pouring the reaction solution into a mold, heating the mold to 45 ℃, preserving heat for 20 hours, and solidifying the reaction solution;
s4, plate forming: repeating the step S3 until the height of the solidified reaction liquid in the mould reaches the thickness of the first polymethyl methacrylate layer 7 to be prepared, and then carrying out heat treatment to obtain the first polymethyl methacrylate layer 7.
In this embodiment, preferably, the antioxidant in S1 is NaHSO3, the initiator is tert-butyl peroxyneodecanoate, the coupling agent is isocyanate, the anti-ultraviolet agent is UV-P, and the defoaming agent is silicone emulsion.
In this embodiment, preferably, the heat treatment process in S4 includes: heating the mold to 60 ℃, preserving heat for 4h, then heating the mold again to 80 ℃, preserving heat for 4h, finally heating the mold to 120 ℃, preserving heat for 4h, and then cooling to room temperature.
Example 2
Referring to fig. 1-4, the present invention provides a technical solution: a novel high-strength polymethyl methacrylate composite board comprises a base board 1 and two reinforcing layers 2, wherein a plurality of groups of connecting blocks 3 are fixedly arranged on the upper surface and the lower surface of the base board 1, the plurality of groups of connecting blocks 3 are uniformly laid on the surface of the base board 1, the two reinforcing layers 2 are arranged in two groups, the two reinforcing layers 2 are symmetrically arranged on the upper side and the lower side of the base board 1, a plurality of groups of connecting grooves 4 are uniformly arranged on the two reinforcing layers 2, the connecting blocks 3 are fixedly arranged in the connecting grooves 4, a sound insulating layer 5 is fixedly arranged on the outer surface of one group of reinforcing layers 2, a heat insulating layer 6 is fixedly arranged on the outer surface of the other group of reinforcing layers 2, a first polymethyl methacrylate layer 7 is fixedly arranged on the upper surface of the sound insulating layer 5, a first antireflection film layer 8 is fixedly arranged on the upper surface of the first, a second antireflection film layer 10 is fixedly arranged on the lower surface of the second polymethyl methacrylate layer 9.
In this embodiment, preferably, the reinforcing layer 2 includes a glass fiber board layer 201 and a steel wire mesh layer 202, the steel wire mesh layer 202 is provided with three sets, and the three sets of steel wire mesh layers 202 are laid in the glass fiber board layer 201 at equal intervals.
In this embodiment, preferably, the soundproof layer 5 is a soundproof cotton layer, and a plurality of groups of micropores are uniformly formed in the soundproof cotton layer.
In this embodiment, preferably, the insulating layer 6 is a ceramic particle insulating layer, and the thickness of the insulating layer 6 is set to be 3 mm.
In this embodiment, it is preferable that the first polymethyl methacrylate layer 7 and the second polymethyl methacrylate layer 9 have the same structure.
In this embodiment, preferably, the outer surfaces of the first light reflection reducing film layer 8 and the second light reflection reducing film layer 10 are both provided with smooth surfaces, and the inner surfaces of the first light reflection reducing film layer 8 and the second light reflection reducing film layer 10 are both provided with matte surfaces.
In this embodiment, preferably, the first light reflection reducing film layer 8 includes a magnesium fluoride layer 801 and an aluminum oxide layer 802, the aluminum oxide layer 802 is disposed on an outer side of the first light reflection reducing film layer 8, the magnesium fluoride layer 801 is fixedly connected to the first polymethyl methacrylate layer 7, and the first light reflection reducing film layer 8 and the second light reflection reducing film layer 10 have the same structure.
In this embodiment, it is preferable that the method for preparing the first polymethylmethacrylate layer 7 includes the steps of:
s1, preparing raw materials: selecting the raw materials, by weight, 100 parts of methyl methacrylate, 6 parts of antioxidant, 0.5 part of initiator, 3 parts of coupling agent, 5 parts of anti-ultraviolet agent and 0.4 part of defoaming agent;
s2, mixing raw materials: mixing methyl methacrylate, an antioxidant, an initiator, a coupling agent, an anti-ultraviolet agent and a defoaming agent together in parts by weight, and heating and stirring the mixture under a vacuum condition to react the mixture to form a reaction solution;
s3, pouring of the mold: cooling the reaction solution by water at 12 ℃, pouring the reaction solution into a mold, heating the mold to 50 ℃, preserving heat for 30 hours, and solidifying the reaction solution;
s4, plate forming: repeating the step S3 until the height of the solidified reaction liquid in the mould reaches the thickness of the first polymethyl methacrylate layer 7 to be prepared, and then carrying out heat treatment to obtain the first polymethyl methacrylate layer 7.
In this embodiment, preferably, the antioxidant in S1 is NaHSO3, the initiator is tert-butyl peroxyneodecanoate and dibenzoyl peroxide, the coupling agent is isocyanate, the anti-ultraviolet agent is UV-P and UV-O, and the antifoaming agent is a higher alcohol fatty acid ester complex.
In this embodiment, preferably, the heat treatment process in S4 includes: heating the mold to 65 ℃, preserving heat for 5h, then heating the mold again to 85 ℃, preserving heat for 5h, finally heating the mold to 130 ℃, preserving heat for 5h, and then cooling to room temperature.
Example 3
Referring to fig. 1-4, the present invention provides a technical solution: a novel high-strength polymethyl methacrylate composite board comprises a base board 1 and two reinforcing layers 2, wherein a plurality of groups of connecting blocks 3 are fixedly arranged on the upper surface and the lower surface of the base board 1, the plurality of groups of connecting blocks 3 are uniformly laid on the surface of the base board 1, the two reinforcing layers 2 are arranged in two groups, the two reinforcing layers 2 are symmetrically arranged on the upper side and the lower side of the base board 1, a plurality of groups of connecting grooves 4 are uniformly arranged on the two reinforcing layers 2, the connecting blocks 3 are fixedly arranged in the connecting grooves 4, a sound insulating layer 5 is fixedly arranged on the outer surface of one group of reinforcing layers 2, a heat insulating layer 6 is fixedly arranged on the outer surface of the other group of reinforcing layers 2, a first polymethyl methacrylate layer 7 is fixedly arranged on the upper surface of the sound insulating layer 5, a first antireflection film layer 8 is fixedly arranged on the upper surface of the first, a second antireflection film layer 10 is fixedly arranged on the lower surface of the second polymethyl methacrylate layer 9.
In this embodiment, preferably, the reinforcing layer 2 includes a glass fiber board layer 201 and a steel wire mesh layer 202, the steel wire mesh layer 202 is provided with three sets, and the three sets of steel wire mesh layers 202 are laid in the glass fiber board layer 201 at equal intervals.
In this embodiment, preferably, the soundproof layer 5 is a soundproof cotton layer, and a plurality of groups of micropores are uniformly formed in the soundproof cotton layer.
In this embodiment, preferably, the insulating layer 6 is a ceramic particle insulating layer, and the thickness of the insulating layer 6 is set to be 2 mm.
In this embodiment, it is preferable that the first polymethyl methacrylate layer 7 and the second polymethyl methacrylate layer 9 have the same structure.
In this embodiment, preferably, the outer surfaces of the first light reflection reducing film layer 8 and the second light reflection reducing film layer 10 are both provided with smooth surfaces, and the inner surfaces of the first light reflection reducing film layer 8 and the second light reflection reducing film layer 10 are both provided with matte surfaces.
In this embodiment, preferably, the first light reflection reducing film layer 8 includes a magnesium fluoride layer 801 and an aluminum oxide layer 802, the aluminum oxide layer 802 is disposed on an outer side of the first light reflection reducing film layer 8, the magnesium fluoride layer 801 is fixedly connected to the first polymethyl methacrylate layer 7, and the first light reflection reducing film layer 8 and the second light reflection reducing film layer 10 have the same structure.
In this embodiment, it is preferable that the method for preparing the first polymethylmethacrylate layer 7 includes the steps of:
s1, preparing raw materials: selecting raw materials, by weight, 80 parts of methyl methacrylate, 4 parts of antioxidant, 0.3 part of initiator, 2 parts of coupling agent, 3 parts of anti-ultraviolet agent and 0.3 part of defoaming agent;
s2, mixing raw materials: mixing methyl methacrylate, an antioxidant, an initiator, a coupling agent, an anti-ultraviolet agent and a defoaming agent together in parts by weight, and heating and stirring the mixture under a vacuum condition to react the mixture to form a reaction solution;
s3, pouring of the mold: cooling the reaction solution by water at the temperature of 8 ℃, pouring the reaction solution into a mold, heating the mold to 48 ℃, preserving heat for 25 hours, and solidifying the reaction solution;
s4, plate forming: repeating the step S3 until the height of the solidified reaction liquid in the mould reaches the thickness of the first polymethyl methacrylate layer 7 to be prepared, and then carrying out heat treatment to obtain the first polymethyl methacrylate layer 7.
In this embodiment, preferably, the antioxidant in S1 is NaHSO3, the initiator is dibutyl peroxydicarbonate, the coupling agent is isocyanate, the anti-ultraviolet agent is UV-9, and the defoaming agent is polyoxyethylene polyoxypropylene pentaerythritol ether.
In this embodiment, preferably, the heat treatment process in S4 includes: heating the mold to 63 ℃, preserving heat for 4.5h, then heating the mold again to 83 ℃, preserving heat for 4.5h, finally heating the mold to 125 ℃, preserving heat for 4.5h, and then cooling to room temperature.
The working principle and the advantages of the invention are as follows: according to the invention, the reinforcing layer 2 is arranged, so that the overall structural strength of the plate is increased, and the connection stability is increased and the strength of the plate is further improved through the design of the connecting block 3 and the connecting groove 4; set up heat preservation 6 and puigging 5 through setting up the inboard on first polymethyl methacrylate layer 7 and second polymethyl methacrylate layer 9, can have made holistic heat preservation of panel and sound insulation effect, through setting up first antireflection rete 8 and second antireflection rete 10, make panel have good antireflection effect simultaneously.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a novel high-strength polymethyl methacrylate composite sheet which characterized in that: comprises a substrate (1) and a reinforcing layer (2), wherein a plurality of groups of connecting blocks (3) are fixedly arranged on the upper surface and the lower surface of the substrate (1), a plurality of groups of connecting blocks (3) are uniformly laid on the surface of the substrate (1), the reinforcing layer (2) is provided with two groups, the reinforcing layer (2) is symmetrically arranged on the upper side and the lower side of the substrate (1), the reinforcing layer (2) is uniformly provided with a plurality of groups of connecting grooves (4), the connecting blocks (3) are fixedly arranged in the connecting grooves (4), one group of the connecting blocks is provided with a sound insulating layer (5) on the outer surface of the reinforcing layer (2), the other group is provided with a heat insulating layer (6) on the outer surface of the reinforcing layer (2), a first polymethyl methacrylate layer (7) is fixedly arranged on the upper surface of the sound insulating layer (5), a first antireflection film layer (8) is fixedly arranged on the upper surface of the first polymethyl methacrylate layer (, the lower fixed surface of heat preservation (6) is provided with second poly methyl methacrylate layer (9), the lower fixed surface of second poly methyl methacrylate layer (9) is provided with second antireflection coating layer (10).
2. The novel high-strength polymethyl methacrylate composite board as claimed in claim 1, wherein: the reinforced layer (2) comprises glass fiber board layers (201) and steel wire mesh layers (202), the steel wire mesh layers (202) are provided with three groups, and the three groups are formed by paving the steel wire mesh layers (202) at equal intervals inside the glass fiber board layers (201).
3. The novel high-strength polymethyl methacrylate composite board as claimed in claim 1, wherein: the soundproof layer (5) is a soundproof cotton layer, and a plurality of groups of micropores are uniformly formed in the soundproof cotton layer.
4. The novel high-strength polymethyl methacrylate composite board as claimed in claim 1, wherein: the heat-insulating layer (6) is a ceramic particle heat-insulating layer, and the thickness of the heat-insulating layer (6) is set to be 1-3 mm.
5. The novel high-strength polymethyl methacrylate composite board as claimed in claim 1, wherein: the first polymethyl methacrylate layer (7) and the second polymethyl methacrylate layer (9) have the same structure.
6. The novel high-strength polymethyl methacrylate composite board as claimed in claim 1, wherein: the surface of first subtract reflection of light rete (8) with second subtract reflection of light rete (10) all sets up to the plain noodles, first subtract reflection of light rete (8) with the internal surface of second subtract reflection of light rete (10) all sets up to dull plain noodles.
7. The novel high-strength polymethyl methacrylate composite board as claimed in claim 1, wherein: first subtract reflection of light rete (8) include magnesium fluoride layer (801) and aluminium oxide layer (802), aluminium oxide layer (802) set up the outside of first subtract reflection of light rete (8), magnesium fluoride layer (801) with first polymethyl methacrylate layer (7) fixed connection, just first subtract reflection of light rete (8) with the structure of second subtract reflection of light rete (10) is the same.
8. The novel high-strength polymethyl methacrylate composite board as claimed in claim 1, wherein: the preparation method of the first polymethyl methacrylate layer (7) comprises the following steps:
s1, preparing raw materials: selecting raw materials, by weight, 60-100 parts of methyl methacrylate, 2-6 parts of antioxidant, 0.1-0.5 part of initiator, 1-3 parts of coupling agent, 1-5 parts of ultraviolet resistant agent and 0.2-0.4 part of defoaming agent;
s2, mixing raw materials: mixing methyl methacrylate, an antioxidant, an initiator, a coupling agent, an anti-ultraviolet agent and a defoaming agent together in parts by weight, and heating and stirring the mixture under a vacuum condition to react the mixture to form a reaction solution;
s3, pouring of the mold: cooling the reaction solution by water at 4-12 ℃, pouring the reaction solution into a mold, heating the mold to 45-50 ℃, preserving heat for 20-30h, and solidifying the reaction solution;
s4, plate forming: repeating the step S3 until the height of the solidified reaction liquid in the mould reaches the thickness of the first polymethyl methacrylate layer (7) to be prepared, and then carrying out heat treatment to obtain the first polymethyl methacrylate layer (7).
9. The novel high-strength polymethyl methacrylate composite board according to claim 8, wherein: the antioxidant in the S1 is NaHSO3, the initiator is one or more of tert-butyl peroxyneodecanoate, dibenzoyl peroxide, dibutyl peroxydicarbonate, tert-butyl peroxy-2-ethylhexanoate and tert-butyl peroxyacetate, the coupling agent is isocyanate, the ultraviolet resistant agent is one or more of UV-P, UV-O, UV-9, UV-327 and Tinuvin P, and the defoaming agent is one or more of emulsified silicone oil, a high-carbon alcohol fatty acid ester compound and polyoxyethylene polyoxypropylene pentaerythritol ether.
10. The novel high-strength polymethyl methacrylate composite board according to claim 8, wherein: the heat treatment process in S4 includes: heating the mold to 60-65 ℃, preserving heat for 4-5h, then heating the mold again to 80-85 ℃, preserving heat for 4-5h, finally heating the mold to 120-130 ℃, preserving heat for 4-5h, and then cooling to room temperature.
CN202110253696.9A 2021-03-09 2021-03-09 Novel high-strength polymethyl methacrylate composite board Pending CN112848531A (en)

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CN109049889A (en) * 2018-07-02 2018-12-21 兴仁县详务新型节能建材有限公司 A kind of NEW TYPE OF COMPOSITE polymer floor
CN111331983A (en) * 2020-03-16 2020-06-26 苏州奥美材料科技有限公司 Polymethyl methacrylate and polycarbonate composite board and preparation method thereof
CN211363773U (en) * 2019-08-20 2020-08-28 广州力缘材料科技有限公司 Sound and heat insulation pad for front wall of automobile engine compartment
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CN2346569Y (en) * 1998-10-29 1999-11-03 张桂强 Composite board
CN201371612Y (en) * 2009-03-30 2009-12-30 天津美泰真空技术有限公司 Anti-reflection coating on polycarbonate/polymethyl methacrylate composite board
CN103921481A (en) * 2014-03-14 2014-07-16 常熟鼎天赫机械有限公司 Reinforced ceramic plate
CN104403233A (en) * 2014-11-26 2015-03-11 浙江天振竹木开发有限公司 Hollow board and composite board
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CN105729588A (en) * 2016-03-29 2016-07-06 刘瑞 Novel plywood
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CN206106499U (en) * 2016-08-26 2017-04-19 安徽钰锦生态木材料有限公司 Wood -plastic composite plate
CN206884325U (en) * 2017-06-22 2018-01-16 淮安市大有塑纤有限公司 A kind of composite plate of water-proof high-strength
CN109049889A (en) * 2018-07-02 2018-12-21 兴仁县详务新型节能建材有限公司 A kind of NEW TYPE OF COMPOSITE polymer floor
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CN111331983A (en) * 2020-03-16 2020-06-26 苏州奥美材料科技有限公司 Polymethyl methacrylate and polycarbonate composite board and preparation method thereof
CN215435318U (en) * 2021-03-09 2022-01-07 无锡双象光电材料有限公司 Novel high-strength polymethyl methacrylate composite board

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