CN115678471A - Low-viscosity environment-friendly polyolefin three-proofing adhesive and preparation method thereof - Google Patents
Low-viscosity environment-friendly polyolefin three-proofing adhesive and preparation method thereof Download PDFInfo
- Publication number
- CN115678471A CN115678471A CN202211489843.3A CN202211489843A CN115678471A CN 115678471 A CN115678471 A CN 115678471A CN 202211489843 A CN202211489843 A CN 202211489843A CN 115678471 A CN115678471 A CN 115678471A
- Authority
- CN
- China
- Prior art keywords
- parts
- low
- environment
- friendly
- proofing adhesive
- 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
Abstract
The invention discloses a low-viscosity environment-friendly polyolefin three-proofing adhesive which is prepared from the following raw materials in parts by weight: 30-70 parts of SEBS elastomer, 0-10 parts of polyethylene, 0-6 parts of polystyrene, 20-60 parts of tackifying resin, 200-250 parts of environment-friendly solvent, 3-5 parts of flame retardant, 0.5-1 part of light stabilizer and 0.3-0.5 part of mildew preventive. The invention also provides a preparation method of the low-viscosity environment-friendly polyolefin three-proofing adhesive. The three-proofing adhesive disclosed by the invention is low in viscosity and good in leveling property, can be quickly formed into a film at room temperature, is suitable for spraying, brushing and dip-coating processes, and can form a paint film with uniform thickness on the surface of a device. The paint film has good adhesive force and low water absorption, has good performances of water resistance, moisture resistance, chemical corrosion resistance, salt mist resistance, high and low temperature resistance, high insulation and the like, can effectively protect the circuit board, reduces the occurrence of faults of the circuit board and improves the safety of the circuit board; in the invention, organic solvents such as acetone, benzene and the like are not used, and no harmful solvent is volatilized in the use process of the three-proofing adhesive, so that the environmental pollution is reduced.
Description
Technical Field
The invention relates to the technical field of printed circuit board protection, in particular to low-viscosity environment-friendly polyolefin three-proofing adhesive and a preparation method thereof.
Background
When the household appliance is used, the household appliance is corroded by dust, moisture, mould, salt fog, corrosive gas and the like in the environment, and the circuit board and components thereof are corroded, softened, deformed, mildewed and the like, so that the circuit board has the faults of electric leakage, short circuit, device failure and the like, the product quality is influenced, the service life is shortened, potential safety hazards exist, and the life safety of people is threatened. The integrated circuits and components of the circuit board are protected from being damaged by the external environment by the three-proofing adhesive widely used by household appliances, the service life of the integrated circuits and the components is prolonged, and the use safety and reliability are ensured.
The three-proofing glue (also called three-proofing paint) is a special coating used for protecting circuit boards and related equipment from being corroded by the environment and is commonly used for surface protection of controllers in the household appliance industry. The three-proofing adhesive has good high and low temperature resistance, a protective layer can be formed on the surface of a component after the three-proofing adhesive is cured, the protective layer has a good isolation effect, protects the component from the harm of chemical substances, salt mist, vibration, humidity and other environments, and improves the insulation, moisture resistance, mildew resistance, shock resistance, corrosion resistance and other properties of the component and equipment.
In the preparation process of the three-proofing glue in the current market, a large amount of acetone and benzene solvents with pungent smell or toxicity are adopted, and in the use process, harmful substances volatilize, and some special smells even can be emitted, so that the health of operators and users is threatened. The environment-friendly three-proofing adhesive without solvent appears on the market, but the viscosity of the environment-friendly three-proofing adhesive is generally high, and the environment-friendly three-proofing adhesive has great limitation in the coating process of the three-proofing adhesive and cannot meet the requirement of a coating process. Therefore, the development of novel low-viscosity environment-friendly three-proofing glue is an urgent requirement of the market.
Disclosure of Invention
The invention aims to solve the problems that solvent-free environment-friendly three-proofing adhesive in the prior art has high viscosity and cannot meet the coating process requirement of the three-proofing adhesive, and provides low-viscosity environment-friendly polyolefin three-proofing adhesive and a preparation method thereof.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the low-viscosity environment-friendly polyolefin three-proofing adhesive is prepared from the following raw materials in parts by weight: 30-70 parts of SEBS elastomer, 0-10 parts of polyethylene, 0-6 parts of polystyrene, 20-60 parts of tackifying resin, 200-250 parts of environment-friendly solvent, 3-5 parts of flame retardant, 0.5-1 part of light stabilizer and 0.3-0.5 part of mildew preventive.
Preferably, the tackifying resin is one or two of C5 petroleum resin and C9 petroleum resin.
Preferably, the environmentally friendly solvent is two or three of methylcyclohexane, ethylcyclohexane or propylcyclohexane.
Preferably, the flame retardant is IPPP50.
Preferably, the mildew inhibitor is BT-2059.
Preferably, the light stabilizer is
UV-3853。
The invention also provides a preparation method of the low-viscosity environment-friendly polyolefin three-proofing adhesive, which comprises the following steps:
s1, stirring and uniformly mixing an SEBS elastomer, polyethylene, polystyrene and an environment-friendly solvent, heating to 125-135 ℃, and keeping the temperature for 2 hours;
s2, cooling to 85-90 ℃, adding tackifying resin, and keeping the temperature for 2 hours;
and S3, cooling to 50 ℃, adding a flame retardant, a light stabilizer and a mildew preventive, preserving heat for 0.5h, and cooling to normal temperature to obtain the low-viscosity environment-friendly polyolefin three-proofing adhesive.
The low-viscosity environment-friendly polyolefin three-proofing adhesive mainly comprises SEBS elastomer, polyethylene, polystyrene, tackifying resin and an environment-friendly solvent. The SEBS elastomer has good elasticity, and the plasticity function of the coating is increased by adding polyethylene and polystyrene, so that the three-proofing adhesive coating has a certain damping function while having the advantages of good glossiness, wear resistance, hardness, chemical resistance, electric insulation property and the like, and a circuit board is better protected; tackifying resin is added to enhance the adhesive force between the three-proofing glue and the circuit board; meanwhile, the additives such as a flame retardant, a light stabilizer, a mildew inhibitor and the like are added, so that the performances of weather resistance, flame retardance, mildew resistance and the like of the coating film can be effectively improved. The environment-friendly solvent is used in the invention, is nontoxic, harmless and odorless, and can effectively reduce the pollution to the environment.
The invention has the following beneficial effects:
firstly), the three-proofing adhesive has low viscosity and good leveling property, can quickly form a film at room temperature, is suitable for spraying, brushing and dip-coating processes, and can form a paint film with uniform thickness on the surface of a device. The paint film has good adhesive force and low water absorption, has good performances of water resistance, moisture resistance, chemical corrosion resistance, salt mist resistance, high and low temperature resistance, high insulation and the like, can effectively protect the circuit board, reduces the occurrence of faults of the circuit board and improves the safety of the circuit board;
secondly), toxic volatile organic solvents such as acetone, benzene and the like are not used in the invention, and no harmful solvent volatilizes in the use process of the three-proofing adhesive, so that the environmental pollution is reduced.
Detailed Description
The present invention will be further described with reference to the following examples.
Example 1
The low-viscosity environment-friendly polyolefin three-proofing adhesive in the embodiment comprises the following raw material components in parts by weight: 50 parts of SEBS elastomer, 5 parts of polyethylene, 3 parts of polystyrene, 40 parts of tackifying resin (C9 petroleum resin), 100 parts of environment-friendly solvent (methyl cyclohexane and 120 parts of ethyl cyclohexane), 4 parts of flame retardant (ippp 50) and light stabilizer(s)
UV-3853) 0.5 part and mildew preventive (BT-2059) 0.3 part.
The preparation method comprises the following steps:
(1) Adding SEBS, polyethylene PE, polystyrene GPPS and an environment-friendly solvent into a 500mL four-mouth bottle with a stirrer, a thermometer and a reflux condenser pipe; heating to 130 deg.C with an electric heating jacket, and keeping the temperature for 2h to obtain transparent liquid without visible particles; (2) cooling to 85 ℃, adding tackifying resin, and keeping the temperature for 2 hours; (3) And cooling to 50 ℃, adding a flame retardant, a light stabilizer and a mildew preventive, keeping the temperature for 0.5h, and cooling to normal temperature to obtain the three-proofing adhesive product.
Example 2
The low-viscosity environment-friendly polyolefin three-proofing adhesive in the embodiment is composed of the following raw materials in parts by weight: 50 parts of SEBS elastomer, 10 parts of polyethylene, 3 parts of polystyrene, 40 parts of tackifying resin (C5 petroleum resin), 100 parts of environment-friendly solvent (methyl cyclohexane and 120 parts of ethyl cyclohexane), 4 parts of flame retardant (ippp 50) and light stabilizer(s)
UV-3853) 0.5 part and mildew preventive (BT-2059) 0.3 part.
The preparation method comprises the following steps:
(1) Adding SEBS, polyethylene PE, polystyrene GPPS and an environment-friendly solvent into a 500mL four-mouth bottle with a stirrer, a thermometer and a reflux condenser pipe; heating to 125 deg.C with an electric heating jacket, and maintaining for 2 hr to obtain transparent liquid without visible particles; (2) cooling to 85 ℃, adding tackifying resin, and keeping the temperature for 2 hours; (3) And cooling to 50 ℃, adding a flame retardant, a light stabilizer and a mildew inhibitor, keeping the temperature for 0.5h, and cooling to normal temperature to obtain the three-proofing adhesive product.
Example 3
The low-viscosity environment-friendly polyolefin three-proofing adhesive in the embodiment comprises the following raw material components in parts by weight: 50 parts of SEBS elastomer, 5 parts of polyethylene, 6 parts of polystyrene, tackifying resin (15 parts of C5 petroleum resin and 25 parts of C9 petroleum resin), environment-friendly solvent (100 parts of methylcyclohexane and 120 parts of ethylcyclohexane), 4 parts of flame retardant (ippp 50), and light stabilizer(s) (i)
UV-3853) 0.5 part and mildew preventive (BT-2059) 0.3 part.
The preparation method comprises the following steps:
(1) Adding SEBS, polyethylene PE, polystyrene GPPS and an environment-friendly solvent into a 500mL four-mouth bottle with a stirrer, a thermometer and a reflux condenser pipe; heating to 135 deg.C with an electric heating jacket, and maintaining for 2 hr to obtain transparent liquid without visible particles; (2) cooling to 90 ℃, adding tackifying resin, and keeping the temperature for 2 hours; (3) And cooling to 50 ℃, adding a flame retardant, a light stabilizer and a mildew preventive, keeping the temperature for 0.5h, and cooling to normal temperature to obtain the three-proofing adhesive product.
Example 4
The low-viscosity environment-friendly polyolefin three-proofing adhesive in the embodiment comprises the following raw material components in parts by weight: 30 parts of SEBS elastomer, 4 parts of polyethylene, 2 parts of polystyrene, tackifying resin (20 parts of C5 petroleum resin and 40 parts of C9 petroleum resin), environment-friendly solvent (90 parts of methylcyclohexane and 120 parts of ethylcyclohexane), 4 parts of flame retardant (ippp 50) and light stabilizer (light stabilizer)
UV-3853) 0.5 part and mildew preventive (BT-2059) 0.3 part.
The preparation method comprises the following steps:
(1) Adding SEBS, polyethylene PE, polystyrene GPPS and an environment-friendly solvent into a 500mL four-mouth bottle with a stirrer, a thermometer and a reflux condenser pipe; heating to 135 deg.C with an electric heating jacket, and maintaining for 2 hr to obtain transparent liquid without visible particles; (2) cooling to 88 ℃, adding tackifying resin, and keeping the temperature for 2 hours; (3) And cooling to 50 ℃, adding a flame retardant, a light stabilizer and a mildew preventive, keeping the temperature for 0.5h, and cooling to normal temperature to obtain the three-proofing adhesive product.
Example 5
The low-viscosity environment-friendly polyolefin three-proofing adhesive in the embodiment comprises the following raw material components in parts by weight: 70 parts of SEBS elastomer, 10 parts of polyethylene, 6 parts of polystyrene, tackifying resin (15 parts of C5 petroleum resin and 5 parts of C9 petroleum resin), environment-friendly solvent (100 parts of methylcyclohexane and 150 parts of ethylcyclohexane), 4 parts of flame retardant (ippp 50), and light stabilizer(s) (i)
UV-3853) 0.5 part and mildew preventive (BT-2059) 0.3 part.
The preparation method comprises the following steps:
(1) Adding SEBS, polyethylene PE, polystyrene GPPS and an environment-friendly solvent into a 500mL four-mouth bottle with a stirrer, a thermometer and a reflux condenser pipe; heating to 130 deg.C with an electric heating jacket, and keeping the temperature for 2h to obtain transparent liquid without visible particles; (2) cooling to 85 ℃, adding tackifying resin, and keeping the temperature for 2 hours; (3) And cooling to 50 ℃, adding a flame retardant, a light stabilizer and a mildew inhibitor, keeping the temperature for 0.5h, and cooling to normal temperature to obtain the three-proofing adhesive product.
Example 6
The low-viscosity environment-friendly polyolefin three-proofing adhesive in the embodiment comprises the following raw material components in parts by weight: 50 parts of SEBS elastomer, 8 parts of polyethylene, 4 parts of polystyrene, tackifying resin (18 parts of C5 petroleum resin and 22 parts of C9 petroleum resin), environment-friendly solvent (100 parts of methylcyclohexane, 90 parts of ethylcyclohexane and 30 parts of propylcyclohexane), 4 parts of flame retardant (ippp 50) and light stabilizer (light stabilizer: (1) (iPP))
UV-3853) 0.5 part and mildew preventive (BT-2059) 0.3 part.
The preparation method comprises the following steps:
(1) Adding SEBS, polyethylene PE, polystyrene GPPS and an environment-friendly solvent into a 500mL four-mouth bottle with a stirrer, a thermometer and a reflux condenser pipe; heating to 130 deg.C with an electric heating jacket, and keeping the temperature for 2h to obtain transparent liquid without visible particles; (2) cooling to 90 ℃, adding tackifying resin, and keeping the temperature for 2 hours; (3) And cooling to 50 ℃, adding a flame retardant, a light stabilizer and a mildew preventive, keeping the temperature for 0.5h, and cooling to normal temperature to obtain the three-proofing adhesive product.
Example 7
The low-viscosity environment-friendly polyolefin three-proofing adhesive in the embodiment is composed of the following raw materials in parts by weight: 50 parts of SEBS elastomer, 5 parts of polyethylene, 3 parts of polystyrene, tackifying resin (15 parts of C5 petroleum resin and 25 parts of C9 petroleum resin), environment-friendly solvent (100 parts of methylcyclohexane and 120 parts of ethylcyclohexane), 5 parts of flame retardant (ippp 50) and light stabilizer (light stabilizer)
1 part of UV-3853) and 0.5 part of mildew preventive (BT-2059).
The preparation method comprises the following steps:
(1) Adding SEBS, polyethylene PE, polystyrene GPPS and an environment-friendly solvent into a 500mL four-mouth bottle with a stirrer, a thermometer and a reflux condenser pipe; heating to 125 deg.C with an electric heating jacket, and maintaining for 2 hr to obtain transparent liquid without visible particles; (2) cooling to 85 ℃, adding tackifying resin, and keeping the temperature for 2 hours; (3) And cooling to 50 ℃, adding a flame retardant, a light stabilizer and a mildew preventive, keeping the temperature for 0.5h, and cooling to normal temperature to obtain the three-proofing adhesive product.
Example 8
The low-viscosity environment-friendly polyolefin three-proofing adhesive in the embodiment comprises the following raw material components in parts by weight: 50 parts of SEBS elastomer, 5 parts of polyethylene, 3 parts of polystyrene, tackifying resin (15 parts of C5 petroleum resin and 25 parts of C9 petroleum resin), environment-friendly solvent (100 parts of methylcyclohexane and 120 parts of ethylcyclohexane), 3 parts of flame retardant (ippp 50) and light stabilizer(s)
UV-3853) 0.7 part and mildew preventive (BT-2059) 0.4 part.
The preparation method comprises the following steps:
(1) Adding SEBS, polyethylene PE, polystyrene GPPS and an environment-friendly solvent into a 500mL four-mouth bottle with a stirrer, a thermometer and a reflux condenser pipe; heating to 125 deg.C with an electric heating jacket, and maintaining for 2 hr to obtain transparent liquid without visible particles; (2) cooling to 90 ℃, adding tackifying resin, and keeping the temperature for 2 hours; (3) And cooling to 50 ℃, adding a flame retardant, a light stabilizer and a mildew preventive, keeping the temperature for 0.5h, and cooling to normal temperature to obtain the three-proofing adhesive product.
Example 9
The low-viscosity environment-friendly polyolefin three-proofing adhesive in the embodiment is composed of the following raw materials in parts by weight: 60 parts of SEBS elastomer, 0 part of polyethylene, 6 parts of polystyrene, tackifying resin (15 parts of C5 petroleum resin and 30 parts of C9 petroleum resin), environment-friendly solvent (100 parts of methylcyclohexane and 120 parts of ethylcyclohexane), 5 parts of flame retardant (ippp 50) and light stabilizer (light stabilizer)
UV-3853) 0.7 part and mildew preventive (BT-2059) 0.3 part.
The preparation method comprises the following steps:
(1) Adding SEBS, polyethylene PE, polystyrene GPPS and an environment-friendly solvent into a 500mL four-mouth bottle with a stirrer, a thermometer and a reflux condenser pipe; heating to 130 deg.C with an electric heating jacket, and keeping the temperature for 2h to obtain transparent liquid without visible particles; (2) cooling to 87 ℃, adding tackifying resin, and keeping the temperature for 2 hours; (3) And cooling to 50 ℃, adding a flame retardant, a light stabilizer and a mildew inhibitor, keeping the temperature for 0.5h, and cooling to normal temperature to obtain the three-proofing adhesive product.
Example 10
The low-viscosity environment-friendly polyolefin three-proofing adhesive in the implementation is composed of the following raw material components in parts by weight: 60 parts of SEBS elastomer, 10 parts of polyethylene, 0 part of polystyrene, tackifying resin (15 parts of C5 petroleum resin and 30 parts of C9 petroleum resin), environment-friendly solvent (100 parts of methylcyclohexane and 120 parts of ethylcyclohexane), 5 parts of flame retardant (ippp 50) and light stabilizer (light stabilizer)
UV-3853) 0.6 part and mildew preventive (BT-2059) 0.3 part.
The preparation method comprises the following steps:
(1) Adding SEBS, polyethylene PE, polystyrene GPPS and an environment-friendly solvent into a 500mL four-mouth bottle with a stirrer, a thermometer and a reflux condenser pipe; heating to 135 deg.C with an electric heating jacket, and maintaining for 2 hr to obtain transparent liquid without visible particles; (2) cooling to 87 ℃, adding tackifying resin, and keeping the temperature for 2 hours; (3) And cooling to 50 ℃, adding a flame retardant, a light stabilizer and a mildew preventive, keeping the temperature for 0.5h, and cooling to normal temperature to obtain the three-proofing adhesive product.
The three-proofing adhesive products prepared in examples 1 to 10 were subjected to index tests, and the test results are shown in table 1.
Table 1 technical indices of three-proofing adhesive products prepared in examples 1 to 10
The test data in Table 1 show that the low-viscosity environment-friendly polyolefin three-proofing adhesive disclosed by the invention is low in viscosity and good in leveling property, and a paint film with uniform thickness can be formed on the surface of a device. The paint film has good adhesive force and low water absorption, has good performances of water resistance, moisture resistance, chemical corrosion resistance, salt mist resistance, high and low temperature resistance, high insulation and the like, can effectively protect the circuit board, reduces the occurrence of faults of the circuit board and improves the safety of the circuit board; and the content of harmful substances in the three-proofing adhesive is extremely low, so that the environmental pollution can be effectively reduced.
The present description is to be considered as illustrative and not restrictive, and it is within the scope of the present invention that certain changes and modifications may be made in the details of the invention without departing from the spirit and scope of the invention.
Claims (7)
1. The low-viscosity environment-friendly polyolefin three-proofing adhesive is characterized by comprising the following raw materials in parts by weight: 30-70 parts of SEBS elastomer, 0-10 parts of polyethylene, 0-6 parts of polystyrene, 20-60 parts of tackifying resin, 200-250 parts of environment-friendly solvent, 3-5 parts of flame retardant, 0.5-1 part of light stabilizer and 0.3-0.5 part of mildew preventive.
2. The low-viscosity environment-friendly polyolefin three-proofing adhesive as claimed in claim 1, wherein the tackifying resin is one or two of C5 petroleum resin and C9 petroleum resin.
3. The low-viscosity environment-friendly polyolefin three-proofing adhesive as claimed in claim 1, wherein the environment-friendly solvent is two or three of methylcyclohexane, ethylcyclohexane or propylcyclohexane.
4. The low-viscosity environment-friendly polyolefin three-proofing adhesive as claimed in claim 1, wherein the flame retardant is IPPP50.
5. The low-viscosity environment-friendly polyolefin three-proofing adhesive as claimed in claim 1, wherein the mildew preventive is BT-2059.
6. The low-viscosity environment-friendly polyolefin three-proofing adhesive as claimed in claim 1, wherein the light stabilizer is
UV-3853。
7. The preparation method of the low-viscosity environment-friendly polyolefin three-proofing adhesive as claimed in any one of claims 1 to 6, comprising the following steps:
s1, stirring and uniformly mixing an SEBS elastomer, polyethylene, polystyrene and an environment-friendly solvent, heating to 125-135 ℃, and preserving heat for 2 hours;
s2, cooling to 85-90 ℃, adding tackifying resin, and keeping the temperature for 2 hours;
and S3, cooling to 50 ℃, adding a flame retardant, a light stabilizer and a mildew preventive, preserving heat for 0.5h, and cooling to normal temperature to obtain the low-viscosity environment-friendly polyolefin three-proofing adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211489843.3A CN115678471A (en) | 2022-11-25 | 2022-11-25 | Low-viscosity environment-friendly polyolefin three-proofing adhesive and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211489843.3A CN115678471A (en) | 2022-11-25 | 2022-11-25 | Low-viscosity environment-friendly polyolefin three-proofing adhesive and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115678471A true CN115678471A (en) | 2023-02-03 |
Family
ID=85055502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211489843.3A Pending CN115678471A (en) | 2022-11-25 | 2022-11-25 | Low-viscosity environment-friendly polyolefin three-proofing adhesive and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115678471A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009235168A (en) * | 2008-03-26 | 2009-10-15 | Dic Corp | Pressure-sensitive adhesive composition and pressure-sensitive adhesive tape |
| CN102101997A (en) * | 2010-09-14 | 2011-06-22 | 抚顺哥俩好化学有限公司 | Environmentally-friendly low-viscosity SEBS (Styrene-Ethylene-Butadiene-Styrene) spray adhesive and preparation method thereof |
| CN103602027A (en) * | 2013-11-18 | 2014-02-26 | 崇州君健塑胶有限公司 | Transparent medical thermoplastic rubber plug and preparation method thereof |
-
2022
- 2022-11-25 CN CN202211489843.3A patent/CN115678471A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009235168A (en) * | 2008-03-26 | 2009-10-15 | Dic Corp | Pressure-sensitive adhesive composition and pressure-sensitive adhesive tape |
| CN102101997A (en) * | 2010-09-14 | 2011-06-22 | 抚顺哥俩好化学有限公司 | Environmentally-friendly low-viscosity SEBS (Styrene-Ethylene-Butadiene-Styrene) spray adhesive and preparation method thereof |
| CN103602027A (en) * | 2013-11-18 | 2014-02-26 | 崇州君健塑胶有限公司 | Transparent medical thermoplastic rubber plug and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Erickson et al. | Applications of polychlorinated biphenyls | |
| CN104804626A (en) | Fire retardation three-proofing lacquer and preparation method thereof | |
| MY161045A (en) | Resin composition for forming adhesive layer of multilayer flexible printed wiring board, resin varnish, resin coated copper foil, method for manufacturing resin coated copper foil for manufacturing multilayer flexible printed wiring board, and multilayer flexible printed wiring board | |
| CN102516914A (en) | Halogen-free flame-retardant epoxy resin electronic pouring sealant | |
| CN108949006B (en) | High-flash-point polyurethane three-proofing paint for non-hazardous chemicals | |
| CN102010569A (en) | Halogen-free flame retardant epoxy resin composition and high-flexibility coating film prepared by same | |
| CN101838440B (en) | Non-halogen, non-phosphorous and non-silicone epoxy resin compositions and flexible copper clad laminate prepared thereby | |
| CN101831144B (en) | Halogen-free epoxy resin composition and high-flexibility flexible copper clad laminate prepared from same | |
| CN102010567B (en) | Non-halogen and non- phosphate epoxy resin composition and coverage membrane prepared by same | |
| CN103804757A (en) | Flame-retardant ultraviolet-proof polyethylene plastic | |
| CN104327511A (en) | Low-smoke halogen-free flame retardant composition for silicone rubber and application thereof | |
| CN101851391B (en) | Halogen-free phosphate-free silicon-free epoxy resin composition and cover layer prepared by using same | |
| CN110982465B (en) | Efficient halogen-free flame-retardant epoxy adhesive and preparation method thereof | |
| CN110607126B (en) | Electronic coating adhesive for protecting electronic circuit board and preparation method thereof | |
| CN106700227A (en) | Polypropylene nanometer montmorillonite intumescent flame-retardant composite and preparation method thereof | |
| KR101227146B1 (en) | Preparing method of 1 component type waterborne Epoxy resin | |
| CN115678471A (en) | Low-viscosity environment-friendly polyolefin three-proofing adhesive and preparation method thereof | |
| CN111040497A (en) | Ceramizable flame-retardant organic silicon coating and preparation method thereof | |
| CN102061072B (en) | Environment-friendly halogen-free non-phosphorus flame-retardant polycarbonate resin composition | |
| CN110951382B (en) | Environment-friendly three-proofing paint and preparation method thereof | |
| CN106243629B (en) | A kind of preparation method and application of fire-retardant modified epoxy resin | |
| CN112795302A (en) | Water-based ultraviolet-curing antibacterial and anti-fouling material for touch surface and preparation method thereof | |
| CN101074314B (en) | Fire-retardant polycarbonate resin composition of reinforced glass fiber | |
| CN110982213A (en) | High-oxygen-index low-smoke flame-retardant ABS material and preparation method thereof | |
| CN102492340B (en) | Preparation method of perchloroethylene anticorrosion static conductive coating |
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 |