CN110819090A - Formula and preparation method of novel composite material - Google Patents
Formula and preparation method of novel composite material Download PDFInfo
- Publication number
- CN110819090A CN110819090A CN201911129860.4A CN201911129860A CN110819090A CN 110819090 A CN110819090 A CN 110819090A CN 201911129860 A CN201911129860 A CN 201911129860A CN 110819090 A CN110819090 A CN 110819090A
- Authority
- CN
- China
- Prior art keywords
- parts
- colloid
- unsaturated polyester
- polyester resin
- stirring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/06—Unsaturated polyesters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
- C08L101/02—Compositions of unspecified macromolecular compounds characterised by the presence of specified groups, e.g. terminal or pendant functional groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Reinforced Plastic Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a formula and a preparation method of a novel composite material, belonging to the technical field of composite materials, and comprising an accelerant, a colloid and a finished product, wherein the accelerant is calculated according to the following parts by weight: 0.6-12 parts of auxiliary agent and 80-150 parts of unsaturated polyester resin, wherein the colloid is calculated according to the following parts by mass: 0.6-12 parts of accelerator, 80-150 parts of unsaturated polyester resin or vinyl resin and 0.6-12 parts of curing agent, and the finished product is prepared by mixing the colloid and the glass fiber under the same glass fiber laying layer. The composite finished product prepared by the invention has greatly improved curing degree, mechanical strength and flame retardance, can meet the manufacturing requirements of equipment and devices with higher requirements on mechanical strength, wear resistance and flame retardance, and has low raw material cost, excellent physical properties and very good economic value.
Description
Technical Field
The invention belongs to the technical field of composite materials, and particularly relates to a formula of a novel composite material and a preparation method thereof.
Background
The composite material has certain mechanical strength, excellent corrosion resistance, light weight and low cost, and is widely applied to the manufacture of various containers and pipelines. In the prior art, the rigidity, toughness, wear resistance and flame retardance of the material are poor, so that the material is applied to equipment and devices with high requirements on mechanical strength, wear resistance and flame retardance, and the parameter requirements of various properties of the equipment and the devices cannot be met.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a formula of a novel composite material and a preparation method thereof, wherein tetramethyl thiourea or a mixture of trimethyl thiourea and tetramethyl thiourea in a certain mass ratio is mixed with unsaturated polyester resin as an accelerant, then the unsaturated polyester resin or vinyl resin and cumene hydroperoxide are added and mixed to prepare colloid, and the colloid and glass fiber are mixed under the same glass fiber laying layer to prepare a composite finished product.
In order to achieve the purpose, the invention provides a formula of a novel composite material, which comprises an accelerant, a colloid and a finished product, wherein the accelerant is calculated according to the following parts by mass: 0.6-12 parts of auxiliary agent and 80-150 parts of unsaturated polyester resin, wherein the colloid is calculated according to the following parts by mass: 0.6-12 parts of accelerator, 80-150 parts of unsaturated polyester resin or vinyl resin and 0.6-12 parts of curing agent, wherein the finished product is prepared by mixing the colloid and the glass fiber under the same glass fiber laying layer.
Preferably, the auxiliary agent is tetramethyl thiourea or trimethyl thiourea and the tetramethyl thiourea in a mass ratio of 1.2: 1.6.
Preferably, the curing agent is cumene hydroperoxide.
The invention also discloses a preparation method of the novel composite material, which comprises the following steps:
(a) taking unsaturated polyester resin as a solvent, stirring for 1-3 hours at the temperature of 60-130 ℃ and the stirring speed of 80-200r/min to ensure full stirring;
(b) mixing tetramethyl thiourea or trimethyl thiourea with tetramethyl thiourea according to the mass ratio of 1.2: 1.6, adding the mixture into an unsaturated polyester resin solution, and stirring for 1-3 hours at the temperature of 60-130 ℃ and the stirring speed of 80-200r/min to ensure that the mixture is fully mixed and then used as an accelerant for later use;
(c) adding the accelerant into unsaturated polyester resin or vinyl resin, stirring at the stirring speed of 300-800r/min for 0.5-3 hours at normal temperature to ensure full mixing, then adding cumene hydroperoxide into the unsaturated polyester resin or vinyl resin, stirring at the stirring speed of 1500-2000r/min for 3-10 seconds at normal temperature, and obtaining the colloid after full mixing.
(d) Fully soaking the colloid and the glass fiber under the same glass fiber layer, setting the temperature of a gelling section of a production line to be 50-85 ℃, the temperature of a curing section to be 100-125 ℃, and the linear speed of the production line to be 1.5-5m/min, and fully mixing to obtain the finished product.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, tetramethyl thiourea or a mixture of trimethyl thiourea and tetramethyl thiourea in a certain mass ratio is mixed with unsaturated polyester resin as an accelerator, then the unsaturated polyester resin or vinyl resin and cumene hydroperoxide are mixed to prepare a colloid, and the colloid and glass fiber are mixed under the same glass fiber layer to prepare a composite finished product, wherein the curing degree of the composite finished product exceeds 95%, the thermal expansion coefficients are positive numbers in the heating process at 0-80 ℃, under the same glass fiber layer, the tensile strength is improved by 25-30%, the bending strength is improved by 30-40%, the compressive strength is improved by 20-30%, and the flame retardant property is improved by 1.5-3% (the oxygen index is an index), and compared with the similar product, each performance parameter of the composite finished product is superior to the similar product; meanwhile, the raw materials in the formula have low cost and excellent physical properties, so that the composite finished product has high cost performance and very good economic value.
Detailed Description
The invention will be further illustrated by the following examples
Example 1:
the formula of the novel composite material comprises an accelerant, a colloid and a finished product, wherein the accelerant is calculated according to the following parts by mass: 0.6-12 parts of auxiliary agent and 80-150 parts of unsaturated polyester resin, wherein the colloid is calculated according to the following parts by mass: 0.6 to 12 portions of accelerant, 80 to 150 portions of unsaturated polyester resin or vinyl resin and 0.6 to 12 portions of curing agent, and the finished product is prepared by mixing colloid and glass fiber under the same glass fiber laying layer.
The auxiliary agent is tetramethyl thiourea or trimethyl thiourea and the tetramethyl thiourea in a mass ratio of 1.2: 1.6.
The curing agent is cumene hydroperoxide.
A preparation method of a novel composite material specifically comprises the following steps:
(a) taking unsaturated polyester resin as a solvent, stirring for 1-3 hours at the temperature of 60-130 ℃ and the stirring speed of 80-200r/min to ensure full stirring;
(b) mixing tetramethyl thiourea or trimethyl thiourea with tetramethyl thiourea according to the mass ratio of 1.2: 1.6, adding the mixture into an unsaturated polyester resin solution, and stirring for 1-3 hours at the temperature of 60-130 ℃ and the stirring speed of 80-200r/min to ensure that the mixture is fully mixed and then used as an accelerant for later use;
(c) adding the accelerant into unsaturated polyester resin or vinyl resin, stirring at the stirring speed of 300-800r/min for 0.5-3 hours at normal temperature to ensure full mixing, then adding cumene hydroperoxide into the unsaturated polyester resin or vinyl resin, stirring at the stirring speed of 1500-2000r/min for 3-10 seconds at normal temperature, and obtaining the colloid after full mixing.
(d) Fully soaking the colloid and the glass fiber under the same glass fiber layer, setting the temperature of a gelling section of a production line to be 50-85 ℃, the temperature of a curing section to be 100-125 ℃, and the linear speed of the production line to be 1.5-5m/min, and fully mixing to obtain the finished product.
Example 2:
the formula of the novel composite material comprises an accelerant, a colloid and a finished product, wherein the accelerant is calculated according to the following parts by mass: 0.6 part of auxiliary agent and 100 parts of unsaturated polyester resin, wherein the colloid is calculated according to the following parts by mass: 0.6 part of accelerator, 100 parts of unsaturated polyester resin or vinyl resin and 0.6 part of curing agent, and the finished product is prepared by mixing colloid and glass fiber under the same glass fiber laying layer.
The auxiliary agent is tetramethyl thiourea or trimethyl thiourea and the tetramethyl thiourea in a mass ratio of 1.2: 1.6.
The curing agent is cumene hydroperoxide.
A preparation method of a novel composite material is characterized by comprising the following steps: the method specifically comprises the following steps:
(a) taking unsaturated polyester resin as a solvent, stirring for 1 hour at the temperature of 60 ℃ and the stirring speed of 80r/min to ensure full stirring;
(b) mixing tetramethyl thiourea or trimethyl thiourea with tetramethyl thiourea according to the mass ratio of 1.2: 1.6 adding the mixture into unsaturated polyester resin solution, stirring for 1 hour at the temperature of 60 ℃ and the stirring speed of 80r/min to ensure that the mixture is fully mixed and then used as an accelerant for later use;
(c) adding the accelerant into unsaturated polyester resin or vinyl resin, stirring at the stirring speed of 300r/min for 0.5 hour at normal temperature to ensure full mixing, then adding cumene hydroperoxide into the unsaturated polyester resin or vinyl resin, stirring at the normal temperature of 1500r/min for 3 seconds, and obtaining colloid after full mixing.
(d) Fully soaking the colloid and the glass fiber under the same glass fiber layer, setting the temperature of a gelling section of a production line to be 50 ℃, the temperature of a curing section to be 100 ℃ and the speed of the production line to be 1.5m/min, and fully mixing to obtain a finished product.
Example 3:
the formula of the novel composite material comprises an accelerant, a colloid and a finished product, wherein the accelerant is calculated according to the following parts by mass: 4.6 parts of an auxiliary agent and 100 parts of unsaturated polyester resin, wherein the colloid is calculated according to the following parts by mass: 4.6 parts of accelerator, 100 parts of unsaturated polyester resin or vinyl resin and 4.6 parts of curing agent, wherein the finished product is prepared by mixing colloid and glass fiber under the same glass fiber laying layer.
The auxiliary agent is tetramethyl thiourea or trimethyl thiourea and the tetramethyl thiourea in a mass ratio of 1.2: 1.6.
The curing agent is cumene hydroperoxide.
A preparation method of a novel composite material specifically comprises the following steps:
(a) taking unsaturated polyester resin as a solvent, stirring for 1.5 hours at the temperature of 80 ℃ and the stirring speed of 120r/min to ensure full stirring;
(b) mixing tetramethyl thiourea or trimethyl thiourea with tetramethyl thiourea according to the mass ratio of 1.2: 1.6, adding the mixture into an unsaturated polyester resin solution, and stirring for 1.5 hours at the temperature of 80 ℃ and the stirring speed of 120r/min to ensure that the mixture is fully mixed and then used as an accelerant for later use;
(c) adding the accelerant into unsaturated polyester resin or vinyl resin, stirring at 450r/min for 1.5 hours to ensure full mixing, then adding cumene hydroperoxide into the unsaturated polyester resin or vinyl resin, stirring at 1650r/min for 6 seconds, and obtaining colloid after full mixing.
(d) Fully soaking the colloid and the glass fiber under the same glass fiber layer, setting the temperature of a gelling section of a production line to be 60 ℃, the temperature of a curing section to be 110 ℃ and the linear speed of the production line to be 3m/min, and fully mixing to obtain a finished product.
Example 4:
the formula of the novel composite material comprises an accelerant, a colloid and a finished product, wherein the accelerant is calculated according to the following parts by mass: 8.6 parts of an auxiliary agent and 100 parts of unsaturated polyester resin, wherein the colloid is calculated according to the following parts by mass: 8.6 parts of accelerator, 100 parts of unsaturated polyester resin or vinyl resin and 8.6 parts of curing agent, wherein the finished product is prepared by mixing colloid and glass fiber under the same glass fiber laying layer.
The auxiliary agent is tetramethyl thiourea or trimethyl thiourea and the tetramethyl thiourea in a mass ratio of 1.2: 1.6.
The curing agent is cumene hydroperoxide.
A preparation method of a novel composite material specifically comprises the following steps:
(a) taking unsaturated polyester resin as a solvent, stirring for 2.5 hours at the temperature of 100 ℃ and the stirring speed of 160r/min to ensure full stirring;
(b) mixing tetramethyl thiourea or trimethyl thiourea with tetramethyl thiourea according to the mass ratio of 1.2: 1.6, adding the mixture into an unsaturated polyester resin solution, and stirring for 2.5 hours at the temperature of 100 ℃ and the stirring speed of 160r/min to ensure that the mixture is fully mixed and then used as an accelerant for later use;
(c) adding an accelerant into unsaturated polyester resin or vinyl resin, stirring for 2 hours at the stirring speed of 600r/min at normal temperature to ensure full mixing, then adding cumene hydroperoxide into the unsaturated polyester resin or vinyl resin, stirring for 8 seconds at 1800r/min, and obtaining colloid after full mixing.
(d) Fully soaking the colloid and the glass fiber under the same glass fiber layer, setting the temperature of a gelling section of a production line to be 70 ℃, the temperature of a curing section to be 115 ℃ and the production line speed to be 4m/min, and fully mixing to obtain a finished product.
Example 5:
the formula of the novel composite material comprises an accelerant, a colloid and a finished product, wherein the accelerant is calculated according to the following parts by mass: 12 parts of an auxiliary agent and 100 parts of unsaturated polyester resin, wherein the colloid is calculated according to the following parts by mass: 12 parts of accelerator, 100 parts of unsaturated polyester resin or vinyl resin and 12 parts of curing agent, wherein the finished product is prepared by mixing colloid and glass fiber under the same glass fiber laying.
The auxiliary agent is tetramethyl thiourea or trimethyl thiourea and the tetramethyl thiourea in a mass ratio of 1.2: 1.6.
The curing agent is cumene hydroperoxide.
A preparation method of a novel composite material specifically comprises the following steps:
(a) taking unsaturated polyester resin as a solvent, stirring for 3 hours at the temperature of 130 ℃ and the stirring speed of 200r/min to ensure full stirring;
(b) mixing tetramethyl thiourea or trimethyl thiourea with tetramethyl thiourea according to the mass ratio of 1.2: 1.6 adding the mixture into unsaturated polyester resin solution, stirring for 3 hours at the temperature of 130 ℃ and the stirring speed of 200r/min to ensure that the mixture is fully mixed and then used as an accelerant for standby;
(c) adding an accelerant into unsaturated polyester resin or vinyl resin, stirring at the stirring speed of 800r/min for 3 hours at normal temperature to ensure full mixing, then adding cumene hydroperoxide into the unsaturated polyester resin or vinyl resin, stirring at the normal temperature of 2000r/min for 10 seconds, and obtaining colloid after full mixing.
(d) Fully soaking the colloid and the glass fiber under the same glass fiber layer, setting the temperature of a gelling section of a production line to be 85 ℃, the temperature of a curing section to be 125 ℃ and the linear speed of the production line to be 5m/min, and fully mixing to obtain a finished product.
In summary, the present invention is only a preferred embodiment, and not intended to limit the scope of the invention, and all equivalent changes and modifications in the shape, structure, characteristics and spirit of the present invention described in the claims should be included in the scope of the present invention.
Claims (4)
1. The formula of the novel composite material is characterized in that: the adhesive comprises an accelerant, a colloid and a finished product, wherein the accelerant is calculated according to the following parts by mass: 0.6-12 parts of auxiliary agent and 80-150 parts of unsaturated polyester resin, wherein the colloid is calculated according to the following parts by mass: 0.6-12 parts of accelerator, 80-150 parts of unsaturated polyester resin or vinyl resin and 0.6-12 parts of curing agent, wherein the finished product is prepared by mixing the colloid and the glass fiber under the same glass fiber laying layer.
2. The formulation of a novel composite material according to claim 1, characterized in that: the auxiliary agent is tetramethyl thiourea or trimethyl thiourea and the tetramethyl thiourea in a mass ratio of 1.2: 1.6.
3. The formulation of a novel composite material according to claim 1, characterized in that: the curing agent is cumene hydroperoxide.
4. A preparation method of a novel composite material is characterized by comprising the following steps: the method specifically comprises the following steps:
(a) taking unsaturated polyester resin as a solvent, stirring for 1-3 hours at the temperature of 60-130 ℃ and the stirring speed of 80-200r/min to ensure full stirring;
(b) mixing tetramethyl thiourea or trimethyl thiourea with tetramethyl thiourea according to the mass ratio of 1.2: 1.6, adding the mixture into an unsaturated polyester resin solution, and stirring for 1-3 hours at the temperature of 60-130 ℃ and the stirring speed of 80-200r/min to ensure that the mixture is fully mixed and then used as an accelerant for later use;
(c) adding the accelerant into unsaturated polyester resin or vinyl resin, stirring at the stirring speed of 300-800r/min for 0.5-3 hours at normal temperature to ensure full mixing, then adding cumene hydroperoxide into the unsaturated polyester resin or vinyl resin, stirring at the stirring speed of 1500-2000r/min for 3-10 seconds at normal temperature, and obtaining the colloid after full mixing.
(d) Fully soaking the colloid and the glass fiber under the same glass fiber layer, setting the temperature of a gelling section of a production line to be 50-85 ℃, the temperature of a curing section to be 100-125 ℃, and the linear speed of the production line to be 1.5-5m/min, and fully mixing to obtain the finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911129860.4A CN110819090A (en) | 2019-11-18 | 2019-11-18 | Formula and preparation method of novel composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911129860.4A CN110819090A (en) | 2019-11-18 | 2019-11-18 | Formula and preparation method of novel composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110819090A true CN110819090A (en) | 2020-02-21 |
Family
ID=69556591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911129860.4A Pending CN110819090A (en) | 2019-11-18 | 2019-11-18 | Formula and preparation method of novel composite material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110819090A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120040173A1 (en) * | 2010-08-10 | 2012-02-16 | Illinois Tool Works Inc. | Low density coring material |
| CN105085819A (en) * | 2015-08-10 | 2015-11-25 | 南通德瑞森复合材料有限公司 | High-performance fiber reinforced plastic composite material and preparation method thereof |
| CN105696841A (en) * | 2016-02-01 | 2016-06-22 | 段然 | Crystal tombstone and manufacturing method thereof |
| KR20190004470A (en) * | 2017-07-04 | 2019-01-14 | (주)효진아이디에스 | Method for Manufacturing Incombustible Fiberglass Reinforced Plastic for outlet duct and pipe of in factory of manufacturing semiconductor |
| US20190126570A1 (en) * | 2017-10-30 | 2019-05-02 | Cozy Industries, Inc. | Manufacturing method of color decorative plate |
| CN109762315A (en) * | 2018-12-24 | 2019-05-17 | 常州百思通复合材料有限公司 | A kind of unsaturated resin composition and its curing method of ambient temperature curable |
-
2019
- 2019-11-18 CN CN201911129860.4A patent/CN110819090A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120040173A1 (en) * | 2010-08-10 | 2012-02-16 | Illinois Tool Works Inc. | Low density coring material |
| CN105085819A (en) * | 2015-08-10 | 2015-11-25 | 南通德瑞森复合材料有限公司 | High-performance fiber reinforced plastic composite material and preparation method thereof |
| CN105696841A (en) * | 2016-02-01 | 2016-06-22 | 段然 | Crystal tombstone and manufacturing method thereof |
| KR20190004470A (en) * | 2017-07-04 | 2019-01-14 | (주)효진아이디에스 | Method for Manufacturing Incombustible Fiberglass Reinforced Plastic for outlet duct and pipe of in factory of manufacturing semiconductor |
| US20190126570A1 (en) * | 2017-10-30 | 2019-05-02 | Cozy Industries, Inc. | Manufacturing method of color decorative plate |
| CN109762315A (en) * | 2018-12-24 | 2019-05-17 | 常州百思通复合材料有限公司 | A kind of unsaturated resin composition and its curing method of ambient temperature curable |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108996975B (en) | Sleeve grouting material for negative temperature type steel bar connection and preparation method thereof | |
| CN107337409B (en) | Special adhesive for foam glass heat insulation system and preparation method and use method thereof | |
| CN106810863B (en) | A kind of pbo fiber epoxy resin composite material and preparation method thereof | |
| CN115572145A (en) | Modified basalt fiber reinforced basic magnesium sulfate cement and preparation method thereof | |
| CN113603368A (en) | Preparation method of modified basalt fiber for anti-cracking waterproof agent of expanded fiber | |
| CN111363500A (en) | Vinyl acetate-acrylic emulsion adhesive for glass chopped strand mats and preparation method thereof | |
| CN109852311B (en) | Adhesive composition for polyolefin composite insulator | |
| CN110183157A (en) | Gel bead exterior insulation anti-cracking plastering mortar and preparation method thereof | |
| CN110819090A (en) | Formula and preparation method of novel composite material | |
| CN110423054B (en) | Fracture-resistant durable cement-based composite material containing PP fibers | |
| CN107501856B (en) | Preparation method of flame-retardant modified wood fiber composite phenolic foam | |
| CN113045859B (en) | Low-temperature curing epoxy resin-based prepreg with long storage period and preparation method thereof | |
| CN105694756B (en) | A kind of high-temperature-resistant structure glued membrane that can be stored for a long time at room temperature and preparation method thereof | |
| CN115215618A (en) | External thermal insulation mortar capable of being used at low temperature and preparation method and application thereof | |
| CN112723837A (en) | Heat-insulating waterproof material for interior decoration | |
| CN108264305B (en) | Anti-freezing concrete and preparation method thereof | |
| CN102951870B (en) | Straw-fiber-reinforced polyester tile and manufacturing method thereof | |
| CN112898705A (en) | Inner layer peroxide fluorine rubber material of rubber tube at high-temperature section of silicon-fluorine composite turbocharging system | |
| CN111518362B (en) | High-temperature flame-retardant glass fiber reinforced plastic and preparation method thereof | |
| CN114773784B (en) | Flame-retardant and temperature-resistant epoxy resin matrix material for building and preparation method thereof | |
| CN104419200A (en) | Alcoholysis-resistant low-warpage reinforced nylon 66 composite material and preparation method thereof | |
| CN114940005B (en) | High-heat-insulation heat-preservation composite board and production process thereof | |
| CN110922731B (en) | Weather-proof daylighting panel and processing technology thereof | |
| CN114539700A (en) | Processing method for flame-retardant and heat-insulating acrylic plate | |
| CN108975819B (en) | Attapulgite exterior wall thermal insulation anti-crack mortar and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200221 |
|
| RJ01 | Rejection of invention patent application after publication |