CN112658202A - Formula of novel wet alcohol-based casting coating and preparation method thereof - Google Patents

Formula of novel wet alcohol-based casting coating and preparation method thereof Download PDF

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CN112658202A
CN112658202A CN202011546841.4A CN202011546841A CN112658202A CN 112658202 A CN112658202 A CN 112658202A CN 202011546841 A CN202011546841 A CN 202011546841A CN 112658202 A CN112658202 A CN 112658202A
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semi
coating
finished
stirring
finished coating
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刘聪
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TIANJIN NINGKANG TECHNOLOGY CO LTD
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TIANJIN NINGKANG TECHNOLOGY CO LTD
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Abstract

The invention relates to a formula of a novel wet alcohol-based casting coating and a preparation method thereof, wherein methanol accounts for 23.5% of the total weight of raw materials, the casting coating prepared by the invention is a wet coating, contains a small amount of methanol, does not contain alcohol, and increases the transportation safety. The invention is respectively provided with the first semi-finished coating and the second semi-finished coating, and then the first semi-finished coating and the second semi-finished coating are integrally mixed and uniformly mixed, and are convenient to dissolve in alcohol, a foundry only needs to add solvents such as alcohol and the like to carry out manual stirring when using the coating, so that the service performance can be completely achieved, the defects of sand adhesion, sand inclusion, sand holes and the like on the gradual surface can be effectively prevented and reduced, the surface roughness of a casting is reduced, the dimensional precision of the casting is improved, no dust exists in the using process, and the coating belongs to.

Description

Formula of novel wet alcohol-based casting coating and preparation method thereof
Technical Field
The invention relates to the technical field of casting coatings, in particular to a formula of a novel wet alcohol-based casting coating and a preparation method thereof.
Background
Most of traditional alcohol-based casting coatings are alcohol-based liquid or paste, and are loaded into a coating tank during transportation, so that inconvenience is brought to transportation and use, transportation cost is overhigh, alcohol components in the alcohol-based casting coatings are high, and transportation safety is poor. At present, some dry powder casting coatings are developed and manufactured at home and abroad, the dry powder casting coatings do not contain alcohol, the problem of safe transportation is solved, but in the using process of a customer, the alcohol is required to be added at the later stage for mixing, the customer needs professional dispersing equipment (such as a high-speed dispersing machine) for dispersing during mixing to reach the use performance reluctantly, and the small amount of casting coatings need high-cost dispersing equipment, so that great inconvenience is brought to the customer, and when the customer uses the casting coatings, a large amount of dust can exist, the environment is polluted, the environmental protection is not enough, and the physical health of workers is also influenced.
Disclosure of Invention
The invention aims to develop a formula of a novel wet alcohol-based casting coating and a preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme: the formula of the novel wet alcohol-based casting coating is characterized by comprising a first semi-finished coating and a second semi-finished coating;
the first semi-finished coating consists of the following components in parts by weight:
Figure BDA0002856608690000011
Figure BDA0002856608690000021
the second semi-finished coating consists of the following components in parts by weight:
Figure BDA0002856608690000022
the invention also provides a preparation method of the formula of the novel wet alcohol-based casting coating; the method comprises the following steps:
firstly, preparing a first semi-finished coating by adopting the raw material components and parts by weight in the first semi-finished coating, and the preparation steps are as follows:
a, adding methanol into a high-speed dispersion machine, adding white carbon black, attapulgite and magnesium aluminum silicate, starting stirring for 1200r/min, and stirring for 15 minutes;
b, adding phenolic resin and polyvinyl butyral, stirring at the high-speed disperser speed of 1200r/min for 15 minutes;
c, adding iron oxide red, crystalline flake graphite, earthy graphite, brown corundum powder and spodumene powder, stirring at the high-speed disperser at 1200r/min for 20 minutes;
d, adding the flatting agent, and stirring for 5 minutes;
e, stopping the machine to obtain a first semi-finished coating for later use;
preparing a second semi-finished coating by adopting the raw material components and parts by weight in the second semi-finished coating, wherein the preparation steps are as follows:
a, putting the raw materials of the second semi-finished coating into a mixer, and stirring for 20 minutes;
b, stopping the machine to obtain a first semi-finished coating for later use;
preparing the alcohol-based casting coating, which comprises the following steps:
a, adding the first semi-finished paint prepared in the step I into the mixer in the step II, and stirring the first semi-finished paint and the second semi-finished paint together until the first semi-finished paint and the second semi-finished paint are uniform;
b, sampling, detecting, discharging and packaging with 25kg of each bag.
Particularly, in the third step, the first semi-finished coating and the second semi-finished coating are mixed and stirred in a mixer for not less than 30 minutes.
Particularly, in the step III, the stirring speed of the mixer is 400-800 r/min.
The invention has the beneficial effects that: the methanol accounts for 23.5 percent of the total weight of the raw materials, the casting coating prepared by the invention is a wet coating, contains a small amount of methanol and does not contain alcohol, so that the transportation safety is further improved, the casting coating can be contained by a plastic bag and does not need canning, the transportation cost and the processing cost of the casting coating are greatly reduced, and the storage and the use of a casting factory are also extremely convenient. The invention is respectively provided with the first semi-finished coating and the second semi-finished coating, and then the first semi-finished coating and the second semi-finished coating are integrally mixed and uniformly mixed, and are convenient to dissolve in alcohol, a foundry only needs to add solvents such as alcohol and the like to carry out manual stirring when using the coating, so that the service performance can be completely achieved, the defects of sand adhesion, sand inclusion, sand holes and the like on the gradual surface can be effectively prevented and reduced, the surface roughness of a casting is reduced, the dimensional precision of the casting is improved, no dust exists in the using process, and the coating belongs to.
Detailed Description
The invention is further illustrated by the following examples:
the formula of the novel wet alcohol-based casting coating is characterized by comprising a first semi-finished coating and a second semi-finished coating;
the first semi-finished coating consists of the following components in parts by weight:
Figure BDA0002856608690000031
Figure BDA0002856608690000041
the second semi-finished coating consists of the following components in parts by weight:
Figure BDA0002856608690000042
the invention also provides a preparation method of the formula of the novel wet alcohol-based casting coating; the method comprises the following steps:
firstly, preparing a first semi-finished coating by adopting the raw material components and parts by weight in the first semi-finished coating, and the preparation steps are as follows:
a, adding methanol into a high-speed dispersion machine, adding white carbon black, attapulgite and magnesium aluminum silicate, starting stirring for 1200r/min, and stirring for 15 minutes;
b, adding phenolic resin and polyvinyl butyral, stirring at the high-speed disperser speed of 1200r/min for 15 minutes;
c, adding iron oxide red, crystalline flake graphite, earthy graphite, brown corundum powder and spodumene powder, stirring at the high-speed disperser at 1200r/min for 20 minutes;
d, adding the flatting agent, and stirring for 5 minutes;
e, stopping the machine to obtain a first semi-finished coating for later use;
preparing a second semi-finished coating by adopting the raw material components and parts by weight in the second semi-finished coating, wherein the preparation steps are as follows:
a, putting the raw materials of the second semi-finished coating into a mixer, and stirring for 20 minutes;
b, stopping the machine to obtain a first semi-finished coating for later use;
preparing the alcohol-based casting coating, which comprises the following steps:
a, adding the first semi-finished paint prepared in the step I into the mixer in the step II, and stirring the first semi-finished paint and the second semi-finished paint together until the first semi-finished paint and the second semi-finished paint are uniform;
b, sampling, detecting, discharging and packaging with 25kg of each bag.
Particularly, in the third step, the first semi-finished coating and the second semi-finished coating are mixed and stirred in a mixer for not less than 30 minutes.
Particularly, in the step III, the stirring speed of the mixer is 400-800 r/min.
The invention has been described above by way of example; it is to be understood that the invention is not limited to the specific embodiments described above; various improvements are only needed to be made by adopting the method conception and the technical scheme of the invention; or directly applied to other occasions without improvement; are within the scope of the invention.

Claims (4)

1. The formula of the novel wet alcohol-based casting coating is characterized by comprising a first semi-finished coating and a second semi-finished coating;
the first semi-finished coating consists of the following components in parts by weight:
Figure FDA0002856608680000011
the second semi-finished coating consists of the following components in parts by weight:
Figure FDA0002856608680000012
2. a method of preparing a novel wet, alcohol-based foundry coating formulation according to any one of claims 1 to 6, comprising the steps of:
firstly, preparing a first semi-finished coating by adopting the raw material components and parts by weight in the first semi-finished coating, and the preparation steps are as follows:
a, adding methanol into a high-speed dispersion machine, adding white carbon black, attapulgite and magnesium aluminum silicate, starting stirring for 1200r/min, and stirring for 15 minutes;
b, adding phenolic resin and polyvinyl butyral, stirring at the high-speed disperser speed of 1200r/min for 15 minutes;
c, adding iron oxide red, crystalline flake graphite, earthy graphite, brown corundum powder and spodumene powder, stirring at the high-speed disperser at 1200r/min for 20 minutes;
d, adding the flatting agent, and stirring for 5 minutes;
e, stopping the machine to obtain a first semi-finished coating for later use;
preparing a second semi-finished coating by adopting the raw material components and parts by weight in the second semi-finished coating, wherein the preparation steps are as follows:
a, putting the raw materials of the second semi-finished coating into a mixer, and stirring for 20 minutes;
b, stopping the machine to obtain a first semi-finished coating for later use;
preparing the alcohol-based casting coating, which comprises the following steps:
a, adding the first semi-finished paint prepared in the step I into the mixer in the step II, and stirring the first semi-finished paint and the second semi-finished paint together until the first semi-finished paint and the second semi-finished paint are uniform;
b, sampling, detecting, discharging and packaging with 25kg of each bag.
3. The method for preparing a novel wet alcohol-based foundry coating formulation according to claim 2, wherein the mixing and stirring time of the first semi-finished coating and the second semi-finished coating in the mixer is not less than 30 minutes.
4. The preparation method of the formula of the novel wet alcohol-based foundry coating as claimed in claim 2, wherein in the step (c), the stirring speed of the mixer is 400-800 r/min.
CN202011546841.4A 2020-12-24 2020-12-24 Formula of novel wet alcohol-based casting coating and preparation method thereof Pending CN112658202A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1847336A (en) * 2006-04-07 2006-10-18 沈阳金安铸造材料厂 Light-colored alcohol-base paint
CN105499483A (en) * 2016-01-27 2016-04-20 淄博柴油机总公司 Light-color self-stripping casting coating and casting sand mold
CN107964351A (en) * 2017-09-28 2018-04-27 永星化工(上海)有限公司 A kind of water-based composite zinc-aluminum anticorrosive paint
CN109434013A (en) * 2019-01-11 2019-03-08 上海纵化实业有限公司 A kind of coating additive and preparation method thereof and application method
CN109967691A (en) * 2019-04-22 2019-07-05 沈阳海沃斯材料科技有限公司 A kind of high-performance alcohol base Flow Coating and preparation method thereof
DE102018118291A1 (en) * 2018-07-27 2020-01-30 HÜTTENES-ALBERTUS Chemische Werke Gesellschaft mit beschränkter Haftung Sizing composition to reduce formaldehyde emissions

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1847336A (en) * 2006-04-07 2006-10-18 沈阳金安铸造材料厂 Light-colored alcohol-base paint
CN105499483A (en) * 2016-01-27 2016-04-20 淄博柴油机总公司 Light-color self-stripping casting coating and casting sand mold
CN107964351A (en) * 2017-09-28 2018-04-27 永星化工(上海)有限公司 A kind of water-based composite zinc-aluminum anticorrosive paint
DE102018118291A1 (en) * 2018-07-27 2020-01-30 HÜTTENES-ALBERTUS Chemische Werke Gesellschaft mit beschränkter Haftung Sizing composition to reduce formaldehyde emissions
CN109434013A (en) * 2019-01-11 2019-03-08 上海纵化实业有限公司 A kind of coating additive and preparation method thereof and application method
CN109967691A (en) * 2019-04-22 2019-07-05 沈阳海沃斯材料科技有限公司 A kind of high-performance alcohol base Flow Coating and preparation method thereof

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
娄春华等: "《高分子科学导论》", 31 January 2019, 哈尔滨工业大学出版社 *
徐庆柏: "《非金属矿物基二氧化钛制备、改性及废水处理技术》", 31 December 2015, 合肥工业大学出版社 *

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