CN112662165B - Polyurethane mountain rock bulletproof radiation-proof wallboard - Google Patents
Polyurethane mountain rock bulletproof radiation-proof wallboard Download PDFInfo
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- CN112662165B CN112662165B CN202011516890.3A CN202011516890A CN112662165B CN 112662165 B CN112662165 B CN 112662165B CN 202011516890 A CN202011516890 A CN 202011516890A CN 112662165 B CN112662165 B CN 112662165B
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- 239000004814 polyurethane Substances 0.000 title claims abstract description 61
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- 239000003973 paint Substances 0.000 claims abstract description 58
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- 239000000463 material Substances 0.000 claims description 39
- 239000003795 chemical substances by application Substances 0.000 claims description 34
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- 239000002114 nanocomposite Substances 0.000 claims description 29
- 230000005855 radiation Effects 0.000 claims description 28
- 238000003756 stirring Methods 0.000 claims description 25
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 24
- 229920005749 polyurethane resin Polymers 0.000 claims description 23
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 22
- 230000001681 protective effect Effects 0.000 claims description 19
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 18
- 239000002270 dispersing agent Substances 0.000 claims description 18
- 238000002360 preparation method Methods 0.000 claims description 18
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- 235000019438 castor oil Nutrition 0.000 claims description 16
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 claims description 16
- 239000005543 nano-size silicon particle Substances 0.000 claims description 16
- 235000012239 silicon dioxide Nutrition 0.000 claims description 16
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 14
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- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 12
- 239000010445 mica Substances 0.000 claims description 12
- 229910052618 mica group Inorganic materials 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 12
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- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 11
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
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- TVACALAUIQMRDF-UHFFFAOYSA-N dodecyl dihydrogen phosphate Chemical group CCCCCCCCCCCCOP(O)(O)=O TVACALAUIQMRDF-UHFFFAOYSA-N 0.000 description 6
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Abstract
The invention belongs to the technical field of polyurethane wallboards, and particularly relates to a polyurethane mountain rock bulletproof radiation-proof wallboard. The invention provides a polyurethane mountain rock bulletproof radiation-proof wallboard which comprises the following components in parts by weight: 10-15 parts of graphite powder, 85-90 parts of polyurethane, 14-18 parts of shielding non-woven fabric, 25-28 parts of bulletproof fiber cloth, 15-24 parts of PE (polyethylene) bulletproof plate, 25-30 parts of primer, 30-40 parts of bulletproof paint, 25-35 parts of radiation-proof paint and 25-30 parts of finish paint. The polyurethane mountain rock bulletproof and radiation-proof wallboard provided by the invention is light in overall weight, integrates excellent bulletproof, radiation-proof and other functions, is excellent in impact toughness, wide in application range and strong in practicability.
Description
Technical Field
The invention belongs to the technical field of polyurethane wallboards, and particularly relates to a polyurethane mountain rock bulletproof radiation-proof wallboard.
Background
The steel plate and the ceramic plate are used as bulletproof materials in military facilities, and although the bulletproof materials have higher strength and rigidity, the specific gravity of metal and ceramic is high, so that the prepared bulletproof materials have high weight and are inconvenient to carry or install, and certain difficulty is brought to maneuvering transfer of troops. With the improvement of the modern living standard, the applications of electric appliances, radio, networks and the like are more and more extensive, outdoor high-voltage lines, high-voltage facilities and various radiation sources are visible everywhere, and special equipment such as high-tech equipment and various ships and warships have great demand on high-quality radiation-proof wallboards. Therefore, electromagnetic radiation is also receiving more and more attention. Therefore, the wallboard which is light in weight and integrates excellent functions of bulletproof, radiation protection and the like is developed, and has very important value.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a polyurethane mountain rock bulletproof radiation-proof wallboard. The polyurethane mountain rock bulletproof and radiation-proof wallboard provided by the invention is light in overall weight, integrates excellent bulletproof, radiation-proof and other functions, is excellent in impact toughness, wide in application range and strong in practicability.
The technical scheme of the invention is as follows:
a polyurethane mountain rock bulletproof radiation-proof wallboard comprises the following components in parts by weight:
10-15 parts of graphite powder, 85-90 parts of polyurethane, 14-18 parts of shielding non-woven fabric, 25-28 parts of bulletproof fiber cloth, 15-24 parts of PE (polyethylene) bulletproof plate, 25-30 parts of primer, 30-40 parts of bulletproof paint, 25-35 parts of radiation-proof paint and 25-30 parts of finish paint.
Further, the polyurethane mountain rock bulletproof radiation-proof wallboard comprises the following components in parts by weight:
12 parts of graphite powder, 88 parts of polyurethane, 16 parts of shielding non-woven fabric, 26 parts of bulletproof fiber cloth, 20 parts of PE (polyethylene) bulletproof plate, 26 parts of primer, 32 parts of bulletproof paint, 30 parts of radiation-proof paint and 28 parts of finish.
Further, the bulletproof paint comprises the following components in parts by mass:
150 parts of protective material 140, 20-30 parts of functional assistant, 5-8 parts of silane coupling agent, 10-15 parts of dispersing agent, 7-9 parts of flatting agent and 4-6 parts of defoaming agent.
Further, the bulletproof paint comprises the following components in parts by mass:
145 parts of protective material, 23 parts of functional assistant, 6 parts of silane coupling agent, 12 parts of dispersing agent, 8 parts of flatting agent and 5 parts of defoaming agent.
Further, the protective material is composed of aqueous polyurethane resin and polyaspartic ester polyurea according to the mass ratio of 1-2: 3-5.
Further, the protective material is composed of waterborne polyurethane resin and polyaspartic ester polyurea according to the mass ratio of 1: 4.
Further, the preparation method of the functional auxiliary agent comprises the following steps:
and (2) taking the nano-composite, stirring, dripping polyoxyethylene hydrogenated castor oil at the stirring speed of 800r/min, wherein the addition amount of the polyoxyethylene hydrogenated castor oil is 10% of the mass of the nano-composite, the dripping time is 1h, continuously stirring for 30min after the dripping is finished, and drying the treated nano-composite in a 45 ℃ oven for 12h to obtain the nano-composite.
Further, the nano composite is composed of nano zirconia, nano silicon dioxide and nano attapulgite according to the mass ratio of 7-9:4-5: 1-3.
Further, the nano composite is composed of nano zirconia, nano silicon dioxide and nano attapulgite according to a mass ratio of 9:4: 2.
Further, the dispersant is dodecyl phosphate.
Further, the leveling agent is AKN-1033.
Further, the defoaming agent is dimethyl silicone oil.
Further, the preparation method of the bulletproof paint comprises the following steps:
heating the functional additive to 180 ℃ to obtain the heated functional additive; and fully mixing the protective material, the silane coupling agent, the dispersing agent, the flatting agent, the defoaming agent and the heated functional auxiliary agent to obtain the coating.
Further, the radiation-proof paint comprises the following components in parts by weight:
75-85 parts of polyurethane resin, 4-8 parts of calcium carbonate, 3-5 parts of sepiolite, 18-23 parts of acrylic emulsion, 4-7 parts of nano silicon dioxide, 20-26 parts of barite powder, 5-10 parts of mica powder, 12-15 parts of flatting agent, 6-10 parts of defoaming agent, 8-13 parts of silane coupling agent and 250 parts of water 180-doped materials.
Further, the radiation-proof paint comprises the following components in parts by weight:
80 parts of polyurethane resin, 6 parts of calcium carbonate, 4 parts of sepiolite, 20 parts of acrylic emulsion, 5 parts of nano silicon dioxide, 22 parts of barite powder, 6 parts of mica powder, 13 parts of flatting agent, 9 parts of defoaming agent, 10 parts of silane coupling agent and 230 parts of water.
Further, the preparation method of the radiation-proof paint comprises the following steps:
(1) mixing calcium carbonate, sepiolite, nano silicon dioxide, barite powder and mica powder, and grinding to obtain a mixed material;
(2) and (2) putting water into a stirrer, sequentially adding the flatting agent, the defoaming agent and the silane coupling agent at the rotating speed of 100r/min, stirring for 12min, adding the polyurethane resin and the acrylic emulsion, stirring for 10min, adding the mixed material obtained in the step (1), and stirring at the speed of 200r/min for 20min to obtain the polyurethane acrylic emulsion.
In the preparation of the polyurethane mountain rock bulletproof radiation-proof wallboard, the added graphite powder can play the roles of inflaming retarding and radioactive ray stopping; the shielding non-woven fabric can play a role in shielding signals; the PE bulletproof plate can play a role in bulletproof and radiation protection; the polyurethane has the functions of heat preservation, heat insulation and bulletproof; the sprayed bulletproof coating can play a bulletproof role; the sprayed radiation-proof paint can play a good radiation-proof role. According to the invention, the radiation-proof material and the bulletproof material are sprayed on the surface, and the shielding non-woven fabric, the bulletproof fiber cloth and the PE bulletproof plate are added in the middle, so that the signal can be effectively shielded, and the radiation and bullet invasion prevention function can be realized. The polyurethane mountain rock bulletproof and radiation-proof wallboard prepared from the graphite powder, the polyurethane, the shielding non-woven fabric, the bulletproof fiber cloth, the PE bulletproof plate, the bulletproof paint, the radiation-proof paint and the like has light overall weight, and integrates excellent functions of bulletproof, shielding, radiation protection, heat preservation, heat insulation, flame retardance, concealment and the like.
According to the invention, the nano composite which is added into the bulletproof coating and consists of nano zirconia, nano silicon dioxide and nano attapulgite according to a certain mass ratio can improve the hardness and impact toughness of the coating. The polyoxyethylene hydrogenated castor oil added in the preparation of the functional additive can uniformly disperse the nano-composite in a coating system, thereby further enhancing the impact toughness of the coating.
The bulletproof coating is prepared from a protective material consisting of the waterborne polyurethane resin and the polyaspartic ester polyurea according to a certain mass ratio, the functional auxiliary agent, the silane coupling agent, the dispersing agent and the like, can improve the impact resistance of the wallboard, can absorb the energy of high-energy impact objects such as bullets and the like, and achieves the aim of improving the bulletproof capability.
Compared with the prior art, the invention has the following advantages:
(1) tests prove that the polyurethane mountain rock bulletproof radiation-proof wallboard prepared by the invention has excellent bulletproof effect.
(2) The polyurethane mountain rock bulletproof radiation-proof wallboard disclosed by the invention is light in overall weight, excellent in impact toughness, high in strength and destructive power absorption value, wide in application range and strong in practicability.
(3) The polyurethane mountain rock bulletproof radiation-proof wallboard has excellent radiation-proof performance and can effectively isolate electromagnetic radiation.
Detailed Description
The present invention is further described in the following description of the specific embodiments, which is not intended to limit the invention, but various modifications and improvements can be made by those skilled in the art according to the basic idea of the invention, within the scope of the invention, as long as they do not depart from the basic idea of the invention.
In the present invention, the starting materials are commercially available unless otherwise specified. Such as graphite powder, available from Qingdao rock-ocean carbon materials Limited, cat #: EG-E300; polyurethane is available from Jiangsu Tuo plastics materials Co., Ltd, under the brand name: 385 SX; the shielding non-woven fabric can be purchased from Guanguan Shangda photoelectricity Limited company, and has the following product number: WFB 004; the bulletproof fiber cloth can be purchased from Dai Special weaving science and technology Limited of Dongguan city, the product number is: sm-5100; PE ballistic panels are available from west ampere's gmn science and technology, inc, brand: the formula is as follows: i, performing primary filtration; the primer can be purchased from Ningxia Jiaborui New Material science and technology Limited, Cathaki, Kazaki, and Kazaki Ka: JBR-HTFDQ 0087; the finish paint can be purchased from gallery assistant coating anticorrosion equipment limited company, and has the following model: fx-1; the aqueous polyurethane resin can be purchased from new materials ltd, model: AH-1502; polyaspartate polyureas are available from Simeit chemical industries, Inc. under the type: f520; the nano zirconia can be purchased from Shanghai Moghai Nguo nanotechnology Co., Ltd, type: MG-ZrO 2-30L; the nano-silica can be purchased from Xuancheng crystal new materials Co., Ltd, type: VK-SP 15; the nano attapulgite can be purchased from Dongguan Shengde new materials Co., Ltd, model number: r-860; the polyoxyethylene hydrogenated castor oil can be purchased from Wuhan new land environmental protection materials Co., Ltd, and has the specification: cremophor RH 40, brand: BASF; AKN-1033 leveling agents are available from Qianzi chemical Co., Ltd, Foshan, type: AKN-1033; polyurethane resins are available from jinning, chemical ltd, type: WPU-835N; sepiolite is available from Shijiazhuanglong color mineral products Co., Ltd, cat #: lc-hps; acrylic emulsions are available from changzhou guan chemical technology ltd, cat #: GS-211; barite powder is available from the manufacturer of the Hui-Mi-Mao mineral products in Lingshou county, goods number: 89079, respectively; mica powder can be purchased from the mineral processing factory of lingshou county, the goods number: a shunbo 045; silane coupling agents are available from Shanyi plastication Co., Ltd, Dongguan, cat #: KH-550.
Example 1 polyurethane mountain rock bulletproof radiation protection wallboard
The polyurethane mountain rock bulletproof radiation-proof wallboard comprises the following components in parts by weight:
10 parts of graphite powder, 85 parts of polyurethane, 14 parts of shielding non-woven fabric, 25 parts of bulletproof fiber cloth, 15 parts of PE (polyethylene) bulletproof plate, 25 parts of primer, 30 parts of bulletproof paint, 25 parts of radiation-proof paint and 25 parts of finish;
the bulletproof paint comprises the following components in parts by mass:
140 parts of a protective material, 20 parts of a functional assistant, 5 parts of a silane coupling agent, 10 parts of a dispersing agent, 7 parts of a flatting agent and 4 parts of a defoaming agent; the protective material consists of waterborne polyurethane resin and polyaspartic ester polyurea according to the mass ratio of 1: 5; the dispersant is dodecyl phosphate; the leveling agent is AKN-1033; the defoaming agent is dimethyl silicone oil;
the preparation method of the functional auxiliary agent comprises the following steps:
taking a nano-composite consisting of nano-zirconia, nano-silica and nano-attapulgite according to a mass ratio of 7:5:3, stirring, dripping polyoxyethylene hydrogenated castor oil at a stirring speed of 800r/min, wherein the addition amount of the polyoxyethylene hydrogenated castor oil is 10% of the mass of the nano-composite, the dripping time is 1h, continuing stirring for 30min after the dripping is finished, and drying the treated nano-composite in a 45 ℃ oven for 12h to obtain the nano-composite.
The radiation-proof paint comprises the following components in parts by weight:
75 parts of polyurethane resin, 4 parts of calcium carbonate, 3 parts of sepiolite, 18 parts of acrylic emulsion, 4 parts of nano silicon dioxide, 20 parts of barite powder, 5 parts of mica powder, 12 parts of flatting agent, 6 parts of defoaming agent, 8 parts of silane coupling agent and 180 parts of water; the leveling agent is AKN-1033; the defoaming agent is dimethyl silicone oil.
The preparation method of the bulletproof paint comprises the following steps:
heating the functional additive to 180 ℃ to obtain the heated functional additive; and fully mixing the protective material, the silane coupling agent, the dispersing agent, the flatting agent, the defoaming agent and the heated functional auxiliary agent to obtain the coating.
The preparation method of the radiation-proof coating comprises the following steps:
(1) mixing calcium carbonate, sepiolite, nano silicon dioxide, barite powder and mica powder, and grinding to obtain a mixed material;
(2) and (2) putting water into a stirrer, sequentially adding the flatting agent, the defoaming agent and the silane coupling agent at the rotating speed of 100r/min, stirring for 12min, adding the polyurethane resin and the acrylic emulsion, stirring for 10min, adding the mixed material obtained in the step (1), and stirring at the speed of 200r/min for 20min to obtain the polyurethane acrylic emulsion.
The preparation method of the polyurethane mountain rock bulletproof radiation-proof wallboard comprises the following steps:
s1, mixing graphite powder and polyurethane, and uniformly stirring to obtain a mixed material;
s2, braking and opening the mold of the automatic production line, injecting the mixed material mixed in the step S1 into the mold, then placing the shielding non-woven fabric, the bulletproof fiber cloth and the PE bulletproof plate on the injected mixed material, automatically closing the mold, performing foaming extrusion molding, opening the mold after 15min, and taking out the molded plate;
s3, taking out the formed plate obtained in the step S2, trimming, slotting, sandblasting and polishing;
s4, spraying the formed plate polished in the step S3, and uniformly spraying primer, bulletproof paint, radiation-proof paint and finish paint on the surface of the formed plate in sequence;
s5, drying the formed plate sprayed in the step S4 in air and standing for 2 hours to obtain the finished product.
Example 2A polyurethane mountain rock bulletproof radiation protection wallboard
The polyurethane mountain rock bulletproof radiation-proof wallboard comprises the following components in parts by weight:
15 parts of graphite powder, 90 parts of polyurethane, 18 parts of shielding non-woven fabric, 28 parts of bulletproof fiber cloth, 24 parts of PE (polyethylene) bulletproof plate, 30 parts of primer, 40 parts of bulletproof paint, 35 parts of radiation-proof paint and 30 parts of finish;
the bulletproof paint comprises the following components in parts by mass:
150 parts of protective material, 30 parts of functional assistant, 8 parts of silane coupling agent, 15 parts of dispersing agent, 9 parts of flatting agent and 6 parts of defoaming agent; the protective material consists of waterborne polyurethane resin and polyaspartic ester polyurea according to the mass ratio of 2: 3; the dispersant is dodecyl phosphate; the leveling agent is AKN-1033; the defoaming agent is dimethyl silicone oil;
the preparation method of the functional auxiliary agent comprises the following steps:
taking a nano-composite consisting of nano-zirconia, nano-silica and nano-attapulgite according to a mass ratio of 9:4:1, stirring, dripping polyoxyethylene hydrogenated castor oil at a stirring speed of 800r/min, wherein the addition amount of the polyoxyethylene hydrogenated castor oil is 10% of the mass of the nano-composite, the dripping time is 1h, continuing stirring for 30min after the dripping is finished, and drying the treated nano-composite in a 45 ℃ oven for 12h to obtain the nano-composite.
The radiation-proof paint comprises the following components in parts by weight:
85 parts of polyurethane resin, 8 parts of calcium carbonate, 5 parts of sepiolite, 23 parts of acrylic emulsion, 7 parts of nano silicon dioxide, 26 parts of barite powder, 10 parts of mica powder, 15 parts of flatting agent, 10 parts of defoaming agent, 13 parts of silane coupling agent and 250 parts of water; the leveling agent is AKN-1033; the defoaming agent is dimethyl silicone oil.
The preparation method of the bulletproof paint, the radiation protection paint and the polyurethane mountain rock bulletproof radiation protection wallboard is similar to that of example 1.
Example 3A polyurethane mountain rock bulletproof radiation protection wallboard
The polyurethane mountain rock bulletproof radiation-proof wallboard comprises the following components in parts by weight:
12 parts of graphite powder, 88 parts of polyurethane, 16 parts of shielding non-woven fabric, 26 parts of bulletproof fiber cloth, 20 parts of PE (polyethylene) bulletproof plate, 26 parts of primer, 32 parts of bulletproof paint, 30 parts of radiation-proof paint and 28 parts of finish.
The bulletproof paint comprises the following components in parts by mass:
145 parts of a protective material, 23 parts of a functional assistant, 6 parts of a silane coupling agent, 12 parts of a dispersing agent, 8 parts of a flatting agent and 5 parts of a defoaming agent; the protective material consists of waterborne polyurethane resin and polyaspartic ester polyurea according to the mass ratio of 1: 4; the dispersant is dodecyl phosphate; the leveling agent is AKN-1033; the defoaming agent is dimethyl silicone oil.
The preparation method of the functional auxiliary agent comprises the following steps:
taking a nano-composite consisting of nano-zirconia, nano-silica and nano-attapulgite according to a mass ratio of 9:4:2, stirring, dripping polyoxyethylene hydrogenated castor oil at a stirring speed of 800r/min, wherein the addition amount of the polyoxyethylene hydrogenated castor oil is 10% of the mass of the nano-composite, the dripping time is 1h, continuing stirring for 30min after the dripping is finished, and drying the treated nano-composite in a 45 ℃ oven for 12h to obtain the nano-composite.
The radiation-proof paint comprises the following components in parts by weight:
80 parts of polyurethane resin, 6 parts of calcium carbonate, 4 parts of sepiolite, 20 parts of acrylic emulsion, 5 parts of nano silicon dioxide, 22 parts of barite powder, 6 parts of mica powder, 13 parts of flatting agent, 9 parts of defoaming agent, 10 parts of silane coupling agent and 230 parts of water; the leveling agent is AKN-1033; the defoaming agent is dimethyl silicone oil.
The preparation method of the bulletproof paint, the radiation protection paint and the polyurethane mountain rock bulletproof radiation protection wallboard is similar to that of example 1.
Comparative example 1, polyurethane mountain rock bulletproof radiation-proof wallboard
The polyurethane mountain rock bulletproof radiation-proof wallboard comprises the following components in parts by weight:
12 parts of graphite powder, 88 parts of polyurethane, 16 parts of shielding non-woven fabric, 26 parts of bulletproof fiber cloth, 20 parts of PE (polyethylene) bulletproof plate, 26 parts of primer, 32 parts of bulletproof paint, 30 parts of radiation-proof paint and 28 parts of finish.
The bulletproof paint comprises the following components in parts by mass:
145 parts of a protective material, 23 parts of a functional assistant, 6 parts of a silane coupling agent, 12 parts of a dispersing agent, 8 parts of a flatting agent and 5 parts of a defoaming agent; the protective material consists of waterborne polyurethane resin and polyaspartic ester polyurea according to the mass ratio of 1: 4; the functional auxiliary agent consists of nano zirconia, nano silicon dioxide and nano attapulgite according to a mass ratio of 9:4: 2; the dispersant is dodecyl phosphate; the leveling agent is AKN-1033; the defoaming agent is dimethyl silicone oil.
The radiation-proof paint comprises the following components in parts by weight:
80 parts of polyurethane resin, 6 parts of calcium carbonate, 4 parts of sepiolite, 20 parts of acrylic emulsion, 5 parts of nano silicon dioxide, 22 parts of barite powder, 6 parts of mica powder, 13 parts of flatting agent, 9 parts of defoaming agent, 10 parts of silane coupling agent and 230 parts of water; the leveling agent is AKN-1033; the defoaming agent is dimethyl silicone oil.
The preparation method of the bulletproof paint, the radiation protection paint and the polyurethane mountain rock bulletproof radiation protection wallboard is similar to that of example 1.
The difference from the embodiment 3 is that the functional auxiliary agent consists of nano zirconia, nano silica and nano attapulgite according to the mass ratio of 9:4: 2.
Comparative example 2, polyurethane mountain rock bulletproof radiation-proof wallboard
The polyurethane mountain rock bulletproof radiation-proof wallboard comprises the following components in parts by weight:
12 parts of graphite powder, 88 parts of polyurethane, 16 parts of shielding non-woven fabric, 26 parts of bulletproof fiber cloth, 20 parts of PE (polyethylene) bulletproof plate, 26 parts of primer, 32 parts of bulletproof paint, 30 parts of radiation-proof paint and 28 parts of finish.
The bulletproof paint comprises the following components in parts by mass:
145 parts of a protective material, 23 parts of a functional assistant, 6 parts of a silane coupling agent, 12 parts of a dispersing agent, 8 parts of a flatting agent and 5 parts of a defoaming agent; the protective material consists of waterborne polyurethane resin and polyaspartic ester polyurea according to the mass ratio of 1: 4; the dispersant is dodecyl phosphate; the leveling agent is AKN-1033; the defoaming agent is dimethyl silicone oil.
The preparation method of the functional auxiliary agent comprises the following steps:
stirring a nano-composite consisting of nano-zirconia, nano-silica and nano-attapulgite according to a mass ratio of 9:4:2, dropwise adding castor oil at a stirring speed of 800r/min, wherein the adding amount of the castor oil is 10% of the mass of the nano-composite, the dropwise adding time is 1h, continuously stirring for 30min after the dropwise adding is finished, and drying the treated nano-composite in an oven at 45 ℃ for 12h to obtain the nano-composite.
The radiation-proof paint comprises the following components in parts by weight:
80 parts of polyurethane resin, 6 parts of calcium carbonate, 4 parts of sepiolite, 20 parts of acrylic emulsion, 5 parts of nano silicon dioxide, 22 parts of barite powder, 6 parts of mica powder, 13 parts of flatting agent, 9 parts of defoaming agent, 10 parts of silane coupling agent and 230 parts of water; the leveling agent is AKN-1033; the defoaming agent is dimethyl silicone oil.
The preparation method of the bulletproof paint, the radiation protection paint and the polyurethane mountain rock bulletproof radiation protection wallboard is similar to that of example 1.
The difference from example 3 is that the preparation method of the functional aid replaces polyoxyethylene hydrogenated castor oil with castor oil.
Test example I, ballistic performance test
1. Test materials: the polyurethane mountain rock bulletproof radiation protection wallboard prepared in the embodiment 1, the embodiment 2 and the embodiment 3.
2. The test method comprises the following steps:
the prepared polyurethane mountain rock bulletproof and radiation-proof wallboard with the weight of 15 kg/square meter is shot by a 95-type 5.8mm bullet with the shooting distance of 100 meters, and a shooting test is carried out. Through experiments, whether breakdown occurs or not is observed.
3. And (3) test results: the test results are shown in table 1.
Table 1: test results of bulletproof Performance
| Item | Example 1 | Example 2 | EXAMPLE 3 |
| Test results of bulletproof Performance | Shoot for 7 times without puncture | Shoot 8 times without puncture | Shoot for 9 times without puncture |
As can be seen from table 1, the polyurethane mountain rock bulletproof and radiation protection wallboard prepared according to the invention has good bulletproof performance, wherein the bulletproof performance of example 3 is more excellent and is the best example of the invention.
Test example two, impact toughness test
1. Test materials: the polyurethane mountain rock bulletproof radiation protection wallboard prepared in the example 3 and the comparative examples 1-2.
2. The test method comprises the following steps:
and (3) testing the impact toughness by using a heavy hammer impact method, wherein the single impact energy is 2J, and the average impact frequency of the sample is tested.
3. And (3) test results: the test results are shown in table 2.
Table 2: impact toughness test results
| Item | Example 3 | Comparative example 1 | Comparative example 2 |
| Average number of impacts | 42 | 33 | 37 |
As can be seen from Table 2, the polyurethane mountain rock bulletproof radiation protection wallboard prepared by the invention has higher average impact times. Compared with comparative examples 1-2, the polyurethane mountain rock bulletproof radiation-proof wallboard prepared by the invention has excellent impact toughness.
Claims (7)
1. The polyurethane mountain rock bulletproof radiation-proof wallboard is characterized by comprising the following components in parts by weight:
10-15 parts of graphite powder, 85-90 parts of polyurethane, 14-18 parts of shielding non-woven fabric, 25-28 parts of bulletproof fiber cloth, 15-24 parts of PE (polyethylene) bulletproof plate, 25-30 parts of primer, 30-40 parts of bulletproof paint, 25-35 parts of radiation-proof paint and 25-30 parts of finish;
the bulletproof paint comprises the following components in parts by mass:
150 parts of protective material 140, 20-30 parts of functional assistant, 5-8 parts of silane coupling agent, 10-15 parts of dispersing agent, 7-9 parts of flatting agent and 4-6 parts of defoaming agent;
the preparation method of the functional auxiliary agent comprises the following steps:
taking the nano-composite, stirring, dripping polyoxyethylene hydrogenated castor oil at the stirring speed of 800r/min, wherein the addition amount of the polyoxyethylene hydrogenated castor oil is 10% of the mass of the nano-composite, the dripping time is 1h, continuously stirring for 30min after the dripping is finished, and drying the treated nano-composite in a 45 ℃ oven for 12h to obtain the nano-composite;
the nano composite consists of nano zirconia, nano silicon dioxide and nano attapulgite according to the mass ratio of 7-9:4-5: 1-3.
2. The polyurethane massif rock bulletproof radiation protection wallboard according to claim 1, which comprises the following components in parts by weight:
12 parts of graphite powder, 88 parts of polyurethane, 16 parts of shielding non-woven fabric, 26 parts of bulletproof fiber cloth, 20 parts of PE (polyethylene) bulletproof plate, 26 parts of primer, 32 parts of bulletproof paint, 30 parts of radiation-proof paint and 28 parts of finish.
3. The polyurethane massif rock bulletproof radiation protection wallboard according to claim 1, wherein the bulletproof paint comprises the following components in parts by weight:
145 parts of protective material, 23 parts of functional assistant, 6 parts of silane coupling agent, 12 parts of dispersing agent, 8 parts of flatting agent and 5 parts of defoaming agent.
4. The polyurethane massif bulletproof radiation protection wallboard according to claim 1, wherein the protection material is composed of aqueous polyurethane resin and polyaspartic ester polyurea according to a mass ratio of 1-2: 3-5.
5. The polyurethane massif bulletproof radiation protection wallboard according to claim 4, wherein the protection material is composed of aqueous polyurethane resin and polyaspartate polyurea according to a mass ratio of 1: 4.
6. The polyurethane massif rock bulletproof radiation protection wallboard according to claim 1 or 2, wherein the radiation protection paint comprises the following components in parts by weight:
75-85 parts of polyurethane resin, 4-8 parts of calcium carbonate, 3-5 parts of sepiolite, 18-23 parts of acrylic emulsion, 4-7 parts of nano silicon dioxide, 20-26 parts of barite powder, 5-10 parts of mica powder, 12-15 parts of flatting agent, 6-10 parts of defoaming agent, 8-13 parts of silane coupling agent and 250 parts of water 180-doped materials.
7. The polyurethane massif rock bulletproof radiation protection wallboard according to claim 6, wherein the radiation protection paint comprises the following components in parts by weight:
80 parts of polyurethane resin, 6 parts of calcium carbonate, 4 parts of sepiolite, 20 parts of acrylic emulsion, 5 parts of nano silicon dioxide, 22 parts of barite powder, 6 parts of mica powder, 13 parts of flatting agent, 9 parts of defoaming agent, 10 parts of silane coupling agent and 230 parts of water.
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| CN115627087A (en) * | 2022-11-14 | 2023-01-20 | 瑞邦(杭州)工程设计有限公司 | GF type radiation protection coating and preparation method thereof |
| CN116970361B (en) * | 2023-08-04 | 2024-02-09 | 浙江映甫防护科技有限公司 | Waterborne polyurethane colloid, preparation method thereof and application of waterborne polyurethane colloid |
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| US10414921B1 (en) * | 2013-09-04 | 2019-09-17 | Virfex, LLC | Polyurethane foam based ballistic armor |
| CN108384440A (en) * | 2018-03-22 | 2018-08-10 | 重庆知遨科技有限公司 | A kind of shellproof anti-explosion, anti-corrosion coating |
| CN109486400B (en) * | 2018-09-27 | 2021-05-28 | 中山市钧纬新材料科技有限公司 | PEEK modified polyurethane anti-corrosion radiation-proof water-based paint for steel structure |
| CN209069111U (en) * | 2018-10-16 | 2019-07-05 | 长沙盾甲新材料科技有限公司 | Polyurethane armour |
| CN109593350A (en) * | 2018-12-06 | 2019-04-09 | 长沙盾甲新材料科技有限公司 | For shellproof polyurethane-fibrous composite and preparation method thereof |
| CN210108143U (en) * | 2019-04-15 | 2020-02-21 | 江苏中益特种纤维有限公司 | Bulletproof composite board |
| CN110229578A (en) * | 2019-06-19 | 2019-09-13 | 河北晨阳工贸集团有限公司 | A kind of radiation protection water paint and preparation method thereof |
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