CN105062156B - A kind of ceramic coating with antibacterial functions and preparation method thereof - Google Patents

A kind of ceramic coating with antibacterial functions and preparation method thereof Download PDF

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CN105062156B
CN105062156B CN201510460964.9A CN201510460964A CN105062156B CN 105062156 B CN105062156 B CN 105062156B CN 201510460964 A CN201510460964 A CN 201510460964A CN 105062156 B CN105062156 B CN 105062156B
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finish paint
paint
curing
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CN105062156A (en
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赵彬彬
王赟
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Caxiu Wanhui (Wuxi) high tech materials Co., Ltd
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CMW COATINGS (WUXI) Ltd
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Abstract

A kind of ceramic coating with antibacterial functions, is made up of priming paint and finish paint two parts, and the priming paint and finish paint are constituted by component A hosts, component B curing agent and component C catalyst;The component A of the priming paint and finish paint:Component B:Component C is by weight ratio:2‑4:1‑2:0.01‑0.02.Without hazardous decomposition products in coating process of the present invention, VOC emission is extremely low, meets the environmental requirement of RoHS, is a kind of new green environment protection coating;It is applicable on the small household electrical appliances such as the interior painting of cooker non-stick pan, and coffee pot, thermos cup.

Description

A kind of ceramic coating with antibacterial functions and preparation method thereof
Technical field
The present invention relates to kitchen tools technical field of coatings, more particularly, to a kind of ceramic coating with antibacterial functions and its system Preparation Method.
Background technology
Nano material is used for anti-biotic material mainly due to the reduction of agent particle size, and specific surface area is greatly increased, grain The particle of footpath 5nm, the percentage by volume on surface is 50%, and during particle diameter 2nm, the percentage by volume on surface increases to 80%.It is huge Specific surface, be good for state severe mismatch, there are many activated centres, make nano material that there is extremely strong adsorption capacity.This causes to receive Rice corpuscles still produces alkane quasi-molecule of other peculiar smell etc. for the oxygen atom, the oxygen radical that either promote material corrupt, Be respectively provided with it is extremely strong grab prisoner's ability, make it have anti-corrosive antibacterial function.
With the development of society, anti-biotic material is in daily fiber garment, household electrical appliance, sanitary ware, food bag It is filled with and steel plate for building, the field such as coating obtains and is increasingly widely applied, wherein in household articles, family's fiber system Product, electrical home appliances and field of medical products are applied.As cooker non-viscous paint, because it is directly contacted with food, except Need with good non-adhesion behavior and security, in order to further improve the environmental quality in people's live and work space, need Develop the coating with antibacterial functions.But there is no in the market any a suitable for applying coating in cooker while having Non-adhesion behavior, security performance and the coating with antibacterial functions.
The content of the invention
In view of the above-mentioned problems existing in the prior art, the applicant provide a kind of ceramic coating with antibacterial functions and Its preparation method.Without hazardous decomposition products in coating process of the present invention, VOC emission is extremely low, meets the environmental requirement of RoHS, is one Plant new green environment protection coating;It is applicable on the small household electrical appliances such as the interior painting of cooker non-stick pan, and coffee pot, thermos cup.
Technical scheme is as follows:
A kind of ceramic coating with antibacterial functions, is made up of priming paint and finish paint two parts, the priming paint and finish paint by Component A hosts, component B curing agent and component C catalyst composition;
The component A of the priming paint and finish paint:Component B:Component C is by weight ratio:2-4:1-2:0.01-0.02;
The raw material weight percent of the primer composition A hosts is:
The raw material weight percent of the finish paint component A hosts is:
The particle diameter of the Ludox is 9-17nm;
The Nano-meter SiO_22Dispersion liquid is the SiO of particle diameter 100-120nm solids contents 20%2Aqueous dispersions;
The priming paint is with the raw material weight percent of finish paint component B curing agent:
MTMS 96-98%
Silicone oil 2-4;
The priming paint is with the raw material weight percent of finish paint component C catalyst:
Formic acid 100%.
The inorganic pigment is titanium dioxide.The pearl powder is Merck silvery white pearl essence Iriodin 153.
A kind of preparation method of the ceramic coating with antibacterial functions, concretely comprises the following steps:
(1) primer composition A hosts:
1. first by Ludox 200-300 mesh nylon net filters, and stirred with 600-800rpm/ minutes rotating speed;
2. uniform deionized water and butyl glycol ether mixture will be pre-mixed, in being added to Ludox in stirring;
3. in above-mentioned compound, under 600-800rpm/ minutes stirring, bentonite is added, and with 800- The Rate Dispersion of 1000rpm/ minutes 5 minutes;
4. in above-mentioned compound, under 600-800rpm/ minutes stirring, add inorganic pigment and aluminum oxide wear-resisting Powder, with Rate Dispersion 15-20 minutes of 800-1000rpm/ minutes;
5. after above-mentioned compound being ground into fineness less than 15 μm using basket sand machine, stirred with 600-800rpm/ minutes Nano-meter SiO_2 is added under state2Dispersion liquid, and the finished product made after stirring 5-10 minutes;
The viscosity of the finished product is 12 ± 3 seconds, and the viscosity No. 4 cups of DIN are measured at a temperature of 23 DEG C;
(2) finish paint component A hosts:
1. first by Ludox 200-300 mesh nylon net filters, and stirred with 600-800rpm/ minutes rotating speed;
2. uniform deionized water and butyl glycol ether mixture will be pre-mixed, in being added to Ludox in stirring;
3. in above-mentioned compound, under 600-800rpm/ minutes stirring, pearl powder is added, and with 800-1000rpm/ The Rate Dispersion of minute 5 minutes;
The viscosity of the finished product is 8-12 seconds, and viscosity DIN4 cups are measured at a temperature of 23 DEG C;
(3) priming paint and finish paint component B curing agent:
MTMS, silicone oil is uniform in 100-120rpm/ minutes speed scroll;
(4) priming paint and finish paint component C catalyst:
Catalyst component C:Formic acid can be used directly without specially treated;
(5) finished product is after curing process is cured with priming and finish paint each component, the curing process is as follows:
Priming paint:Above-mentioned catalyst component C is proportionally added into curing agent B component, component A is all added after being well mixed In, with after being mixed thoroughly and reacting and reach 30-40 DEG C to temperature, rolling speed 120- will be placed on after container good seal In the rolling oil machine of 180rpm, curing 2-4h is rolled, the mixture after curing is removed from rolling oil machine, after it is cooled to room temperature It is stand-by;
Finish paint:Above-mentioned catalyst component C is proportionally added into curing agent B component, component A is all added after being well mixed In, will be mixed thoroughly after container good seal and reacted after reaching 30-40 DEG C to temperature, it is placed on rolling speed 120- In the rolling oil machine of 180rpm, curing 20-24h is rolled, the mixture after curing is removed from rolling oil machine, treat that it is cooled to room temperature It is stand-by afterwards;
(6) requirement of priming paint thickness is sprayed into 30-45um when using, and the requirement of finish paint thickness is sprayed into 3-10um.
The whole dispersion, stirring and temperature is not less than 10 DEG C and not higher than 35 DEG C in process of lapping.
The present invention is beneficial to be had technical effect that:
Weak point it is an object of the invention to make up existing product, develops a kind of ceramics painting with antibacterial functions Material, using Ludox and 0.12 μm of SiO of particle diameter of safe particle diameter 11nm2The collocation of particle is used so that final paint film Surface particle has great specific surface area, so that many activated centres occurs in paint film inside, makes it have extremely strong suction Attached ability, so as to promoting the oxygen atom of material corruption, oxygen radical and producing alkane quasi-molecule of other peculiar smell etc., have Have it is extremely strong grab prisoner's ability, make it have anti-corrosive antibacterial function.
Specific embodiment
With reference to embodiment, the present invention is specifically described.Its formula rate percentage:
Embodiment 1
First, priming paint:
(1) component A hosts:
1. first by Ludox 45% with 300 mesh nylon net filters, and stirred with 800rpm/ minutes rotating speed;
2. uniform deionized water 2% and the mixture of butyl glycol ether 1.5% will be pre-mixed, silicon be added in stirring molten In glue;
3. in above-mentioned compound, under 800rpm/ minutes stirring, bentonite 0.3% is added, and with 1000rpm/ points The Rate Dispersion of clock 5 minutes;
4. in above-mentioned compound, under 800rpm/ minutes stirring, titanium dioxide 30% and aluminum oxide abrasion-resistant powder are added 4%, with the Rate Dispersion 15 minutes of 1000rpm/ minutes;
5. above-mentioned compound is ground to fineness less than 10um using basket sand machine, with 800rpm/ minutes stirring Add Nano-meter SiO_22Dispersion liquid 17.2%, and 1000rpm/ minutes stirring 10 minutes after make finished product.
The viscosity of priming paint finished product is 12 ± 3 seconds, and the viscosity No. 4 cups of DIN are measured at a temperature of 23 DEG C.
(2) component B curing agent:MTMS 98%, silicone oil 2% are rolled under 120rpm/ minutes speed Uniformly.
(3) component C catalyst:Catalyst component C formic acid 100% can be used directly without specially treated.
2nd, finish paint:
(1) component A hosts:
1. first by Ludox 83% with 300 mesh nylon net filters, and stirred with 800rpm/ minutes rotating speed;
2. uniform deionized water 13.8% and the mixture of butyl glycol ether 2% will be pre-mixed, silicon will be added in stirring In colloidal sol;
3. in above-mentioned compound, under 800rpm/ minutes stirring, pearl powder 1.2% is added, and with 1000rpm/ minutes Rate Dispersion 5 minutes.
(2) component B curing agent:MTMS 98%, silicone oil 2% are rolled under 120rpm/ minutes speed Uniformly.
(3) component C catalyst:Catalyst component C formic acid 100% can be used directly without specially treated.
3rd, finished product is after curing process curing, its curing process is as follows:
(1) priming paint:Above-mentioned catalyst component C is proportionally added into curing agent B component according to the weight proportion shown in table 1 In, rock in well mixed rear all additions component As, will firmly be rocked until each component is mixed thoroughly after container good seal And after reaction reaches 40 DEG C to temperature, be placed in the rolling oil machine of rolling speed 180rpm, curing 2h is rolled, after curing Mixture is removed from rolling oil machine, stand-by after it is cooled to room temperature;
(2) finish paint:Above-mentioned catalyst component C is proportionally added into curing agent B component according to the weight proportion shown in table 1 In, rock in well mixed rear all additions component As, will firmly be rocked until each component is mixed thoroughly after container good seal And after reaction reaches 40 DEG C to temperature, be placed in the rolling oil machine of rolling speed 180rpm, curing 20h is rolled, after curing Mixture from rolling oil machine on remove, it is stand-by after it is cooled to room temperature.
4th, film:Usage amount according to the priming paint shown in table 1 and finish paint carries out film, during film, the requirement spray of priming paint thickness 45um is applied to, the requirement of finish paint thickness is sprayed into 10um.
The priming paint of 1 embodiment of table 1 and finish paint each component and weight proportion
Component (unit:Weight portion) Priming paint Finish paint
Component A 3.435 2
Component B 1.55 1
Component C 0.015 0.01
The particle diameter of above-mentioned Ludox used is 10nm;Nano-meter SiO_2 used2Dispersion liquid is particle diameter 100nm solids contents 20% SiO2Aqueous dispersions.
Embodiment 2
First, priming paint:
(1) component A hosts:
1. first by Ludox 52% with 200 mesh nylon net filters, and stirred with 600rpm/ minutes rotating speed;
2. uniform deionized water 1% and the mixture of butyl glycol ether 1% will be pre-mixed, Ludox will be added in stirring In;
3. in above-mentioned compound, under 600rpm/ minutes stirring, bentonite 0.6% is added, and with 800rpm/ points The Rate Dispersion of clock 5 minutes;
4. in above-mentioned compound, under 600rpm/ minutes stirring, titanium dioxide 25% and aluminum oxide abrasion-resistant powder are added 5%, with the Rate Dispersion 15 minutes of 800rpm/ minutes;
5. above-mentioned compound is ground to fineness less than 10um using basket sand machine, with 600rpm/ minutes stirring Add Nano-meter SiO_22Dispersion liquid 15.4%, and 600rpm/ minutes stirring 10 minutes after make finished product.
The viscosity of priming paint finished product is 12 ± 3 seconds, and the viscosity No. 4 cups of DIN are measured at a temperature of 23 DEG C.
(2) component B curing agent:MTMS 96%, silicone oil 4% are rolled under 100rpm/ minutes speed Uniformly.
(3) component C catalyst:Catalyst component C formic acid 100% can be used directly without specially treated.
2nd, finish paint:
(1) component A hosts:
1. first by Ludox 66% with 200 mesh nylon net filters, and stirred with 600rpm/ minutes rotating speed;
2. uniform deionized water 30% and the mixture of butyl glycol ether 4% will be pre-mixed, silicon be added in stirring molten In glue;
(2) component B curing agent:MTMS 96%, silicone oil 4% are rolled under 100rpm/ minutes speed Uniformly.
(3) component C catalyst:Catalyst component C formic acid 100% can be used directly without specially treated.
3rd, finished product is after curing process curing, its curing process is as follows:
(1) priming paint:Above-mentioned catalyst component C is proportionally added into curing agent B component according to the weight proportion shown in table 2 In, rock in well mixed rear all additions component As, will firmly be rocked until each component is mixed thoroughly after container good seal And after reaction reaches 30 DEG C to temperature, be placed in the rolling oil machine of rolling speed 120rpm, curing 4h is rolled, after curing Mixture is removed from rolling oil machine, stand-by after it is cooled to room temperature;
(2) finish paint:Above-mentioned catalyst component C is proportionally added into curing agent B component according to the weight proportion shown in table 2 In, rock in well mixed rear all additions component As, will firmly be rocked until each component is mixed thoroughly after container good seal And after reaction reaches 30 DEG C to temperature, be placed in the rolling oil machine of rolling speed 120rpm, curing 24h is rolled, after curing Mixture from rolling oil machine on remove, it is stand-by after it is cooled to room temperature.
4th, film:Usage amount according to the priming paint shown in table 2 and finish paint carries out film, during film, the requirement spray of priming paint thickness 30um is applied to, the requirement of finish paint thickness is sprayed into 3um.
The priming paint of 2 embodiment of table 2 and finish paint each component and weight proportion
Component (unit:Weight portion) Priming paint Finish paint
Component A 2 2
Component B 1 1.5
Component C 0.01 0.02
The particle diameter of above-mentioned Ludox used is 16nm;Nano-meter SiO_2 used2Dispersion liquid is particle diameter 120nm solids contents 20% SiO2Aqueous dispersions.
Embodiment 3
First, priming paint:
(1) component A hosts:
1. first by Ludox 40% with 240 mesh nylon net filters, and stirred with 700rpm/ minutes rotating speed;
2. under 700rpm/ minutes stirring, bentonite 0.7% is added, and with the Rate Dispersion 5 of 900rpm/ minutes Minute;
3. in above-mentioned compound, under 700rpm/ minutes stirring, titanium dioxide 32.3% and aluminum oxide abrasion-resistant powder are added 7%, with the Rate Dispersion 15 minutes of 900rpm/ minutes;
4. above-mentioned compound is ground to fineness less than 10um using basket sand machine, with 700rpm/ minutes stirring Add Nano-meter SiO_22Dispersion liquid 20%, and with 700rpm/ minutes stirring 10 minutes after make finished product.
The viscosity of priming paint finished product is 12 ± 3 seconds, and the viscosity No. 4 cups of DIN are measured at a temperature of 23 DEG C.
(2) component B curing agent:MTMS 97%, silicone oil 3% are rolled under 110rpm/ minutes speed Uniformly.
(3) component C catalyst:Catalyst component C formic acid 100% can be used directly without specially treated.
2nd, finish paint:
(1) component A hosts:
1. first by Ludox 74% with 240 mesh nylon net filters, and stirred with 700rpm/ minutes rotating speed;
2. uniform deionized water 20% and the mixture of butyl glycol ether 3% will be pre-mixed, silicon be added in stirring molten In glue;
3. in above-mentioned compound, under 700rpm/ minutes stirring, pearl powder 3% is added, and with 900rpm/ minutes Rate Dispersion 5 minutes.
(2) component B curing agent:MTMS 97%, silicone oil 3% are rolled under 110rpm/ minutes speed Uniformly.
(3) component C catalyst:Catalyst component C formic acid 100% can be used directly without specially treated.
3rd, finished product is after curing process curing, its curing process is as follows:
(1) priming paint:Above-mentioned catalyst component C is proportionally added into curing agent B component according to the weight proportion shown in table 3 In, rock in well mixed rear all additions component As, will firmly be rocked until each component is mixed thoroughly after container good seal And after reaction reaches 35 DEG C to temperature, be placed in the rolling oil machine of rolling speed 150rpm, curing 3h is rolled, after curing Mixture is removed from rolling oil machine, stand-by after it is cooled to room temperature;
(2) finish paint:Above-mentioned catalyst component C is proportionally added into curing agent B component according to the weight proportion shown in table 3 In, rock in well mixed rear all additions component As, will firmly be rocked until each component is mixed thoroughly after container good seal And after reaction reaches 35 DEG C to temperature, be placed in the rolling oil machine of rolling speed 150rpm, curing 22h is rolled, after curing Mixture from rolling oil machine on remove, it is stand-by after it is cooled to room temperature.
4th, film:Usage amount according to the priming paint shown in table 3 and finish paint carries out film, during film, the requirement spray of priming paint thickness 40um is applied to, the requirement of finish paint thickness is sprayed into 6um.
The priming paint of 3 embodiment of table 3 and finish paint each component and weight proportion
Component (unit:Weight portion) Priming paint Finish paint
Component A 4 2
Component B 1.5 1
Component C 0.02 0.015
The particle diameter of above-mentioned Ludox used is 12nm;Nano-meter SiO_2 used2Dispersion liquid is particle diameter 110nm solids contents 20% SiO2Aqueous dispersions.
Pearl powder used by embodiment 1~3 is that pearl powder is Merck silvery white pearl essence Iriodin 153.
Film performance is tested
The film performance test result that embodiment 1 is prepared is as shown in table 4.
The film performance of table 4 is tested
The above is only the preferred embodiment of the present invention, the invention is not restricted to above example.It is appreciated that ability The oher improvements and changes that field technique personnel directly derive or associate without departing from the spirit and concept in the present invention, It is considered as being included within protection scope of the present invention.

Claims (5)

1. a kind of ceramic coating with antibacterial functions, is made up of priming paint and finish paint two parts, it is characterised in that the priming paint and Finish paint is constituted by component A hosts, component B curing agent and component C catalyst;
The component A of the priming paint and finish paint:Component B:Component C is by weight ratio:2-4:1-2:0.01-0.02;
The raw material weight percent of the primer composition A hosts is:
The raw material weight percent of the finish paint component A hosts is:
The particle diameter of the Ludox is 11nm;
The Nano-meter SiO_22Dispersion liquid is the SiO of particle diameter 120nm solids contents 20%2Aqueous dispersions;
The priming paint is with the raw material weight percent of finish paint component B curing agent:
MTMS 96-98%
Silicone oil 2-4;
The priming paint is with the raw material weight percent of finish paint component C catalyst:
Formic acid 100%.
2. the ceramic coating with antibacterial functions according to claim 1, it is characterised in that the inorganic pigment is titanium white Powder.
3. the ceramic coating with antibacterial functions according to claim 1, it is characterised in that the pearl powder is Merck silvery white Pearl essence Iriodin 153.
4. a kind of preparation method of the ceramic coating with antibacterial functions described in claim 1 or 2, it is characterised in that specific step Suddenly it is:
(1) primer composition A hosts:
1. first by Ludox 200-300 mesh nylon net filters, and stirred with 600-800rpm/ minutes rotating speed;
2. uniform deionized water and butyl glycol ether mixture will be pre-mixed, in being added to Ludox in stirring;
3. in above-mentioned compound, under 600-800rpm/ minutes stirring, bentonite is added, and with 800-1000rpm/ points The Rate Dispersion of clock 5 minutes;
4. in above-mentioned compound, under 600-800rpm/ minutes stirring, inorganic pigment and aluminum oxide abrasion-resistant powder are added, with Rate Dispersion 15-20 minutes of 800-1000rpm/ minutes;
5. after above-mentioned compound being ground into fineness less than 15 μm using basket sand machine, with 600-800rpm/ minutes stirring Lower addition Nano-meter SiO_22Dispersion liquid, and the finished product made after stirring 5-10 minutes;
The viscosity of the finished product is 12 ± 3 seconds, and the viscosity No. 4 cups of DIN are measured at a temperature of 23 DEG C;
(2) finish paint component A hosts:
1. first by Ludox 200-300 mesh nylon net filters, and stirred with 600-800rpm/ minutes rotating speed;
2. uniform deionized water and butyl glycol ether mixture will be pre-mixed, in being added to Ludox in stirring;
3. in above-mentioned compound, under 600-800rpm/ minutes stirring, pearl powder is added, and with 800-1000rpm/ minutes Rate Dispersion 5 minutes;
The viscosity of the finished product is 8-12 seconds, and viscosity DIN4 cups are measured at a temperature of 23 DEG C;
(3) priming paint and finish paint component B curing agent:
MTMS, silicone oil is uniform in 100-120rpm/ minutes speed scroll;
(4) priming paint and finish paint component C catalyst:
Catalyst component C:Formic acid can be used directly without specially treated;
(5) finished product is after curing process is cured with priming and finish paint each component, the curing process is as follows:
Priming paint:Above-mentioned catalyst component C is proportionally added into curing agent B component, after being well mixed in whole addition component As, , with after being mixed thoroughly and reacting and reach 30-40 DEG C to temperature, rolling speed 120- will be placed on after container good seal In the rolling oil machine of 180rpm, curing 2-4h is rolled, the mixture after curing is removed from rolling oil machine, after it is cooled to room temperature It is stand-by;
Finish paint:Above-mentioned catalyst component C is proportionally added into curing agent B component, after being well mixed in whole addition component As, To be mixed thoroughly after container good seal and reacted after reaching 30-40 DEG C to temperature, be placed on rolling speed 120- In the rolling oil machine of 180rpm, curing 20-24h is rolled, the mixture after curing is removed from rolling oil machine, treat that it is cooled to room temperature It is stand-by afterwards;
(6) requirement of priming paint thickness is sprayed into 30-45 μm when using, and the requirement of finish paint thickness is sprayed into 3-10 μm.
5. preparation method according to claim 4, it is characterised in that the whole dispersion, stirring and temperature in process of lapping It is not less than 10 DEG C and not higher than 35 DEG C.
CN201510460964.9A 2015-07-30 2015-07-30 A kind of ceramic coating with antibacterial functions and preparation method thereof Active CN105062156B (en)

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