CN105647250A - Ship heat insulation coating - Google Patents

Abstract

The invention discloses ship heat insulation coating, which comprises silica gel, hydroxy carbon nanotubes, epoxy resin, styrene-acrylic emulsion, propylene glycol, nano titanium dioxide, polyether ether ketone fibers, polyacrylamide, waterborne polyurethane, water, a dispersant, a defoamer, a flatting agent, a plasticizer, a thickener, and a coupler. The ship heat insulation coating has the advantages that the heat radiating and insulation properties are excellent, and the reflecting rate to visible-near infrared light exceeds 86%; after the coating is applied to the surface of a ship, the temperature can be effectively lowered by 15 to 25 DEG C, so as to avoid the chalking and corrosion rusting since the metal fatigue is caused by heat expansion and cold shrinkage of the steel and iron structure material of the ship, further the paint at the material surface cracks and falls, and then the water, hydrogen, hydrochloric acid and the like enter the iron and steel surface; the service life of the ship is effectively prolonged.

Description

A kind of boats and ships heat insulating coatings

Technical field

The present invention relates to a kind of coating, especially a kind of boats and ships heat insulating coatings.

Background technology

Boats and ships are the main tool of water transportation and engineer operation, its of a great variety, huge number. Functionally, boats and ships are roughly divided into passenger boat, freighter, oil carrier, car carrier, container freighter, refrigerated carrier, warship, workboat etc. Along with the high speed development of modern industry, the modernization of boats and ships, high speed, high efficiency and environmental protection more and more get more and more people's extensive concerning, and marine paint is also constantly being updated the replacement and research and development.

The iron structure material of boats and ships gets off to cause that metal produces fatigue for a long time because expanding with heat and contract with cold, and then occur its material surface paint pop to peel off, hydrone and hydrogen, hydrochloric acid etc. enter contact steel surface, cause efflorescence, rust corrosion, thus seriously reducing the service life of boats and ships.

Therefore, for expanding economy, it is necessary to develop a kind of boats and ships heat insulating coatings.

Summary of the invention

Goal of the invention: the invention aims to solve the deficiencies in the prior art, it is provided that a kind of boats and ships heat insulating coatings.

Technical scheme: in order to realize object above, the present invention is by the following technical solutions.

A kind of boats and ships heat insulating coatings, includes following component by weight ratio:

Silica dioxide gel: 40-50 part;

Hydroxyl CNT: 1.2-1.6 part;

Epoxy resin: 3-5 part;

Styrene-acrylic emulsion: 1.6-2.2 part;

Propylene glycol: 2-3 part;

Nano titanium oxide: 0.8-1.2 part;

Polyetheretherketonefiber fiber: 1-2 part;

Polyacrylamide: 1.2-1.6 part;

Aqueous polyurethane: 1.5-2.5 part;

Water: 8-10 part;

Dispersant: 0.5-1 part;

Defoamer: 0.5-1 part;

Levelling agent: 0.5-1 part;

Plasticizer: 0.5-1 part;

Thickening agent: 0.5-1 part;

Coupling agent: 0.5-1 part.

Described silica dioxide gel is prepared by following methods: according to the ratio that mol ratio is 1:6:4, tetraethyl orthosilicate, dehydrated alcohol and water are stirred at 45-55 DEG C 15-35min, obtain the mixed solution stirred, the hydrochloric acid being subsequently adding 0.1mol/L regulates the pH value of mixed solution to 3-4, after insulation reaction 2-4h, add 0.1mol/L ammonia, the pH value of solution system is regulated to 7-8, continues insulated and stirred 15-35min, can be prepared by described silica dioxide gel.

Described epoxy resin is aqueous epoxy resins, for instance aqueous epoxy resins EP385 or EP401 that Zhan Xin resin (Shanghai) Co., Ltd. produces.

Described dispersant is dispersant B YK191(Bi Ke chemistry); Described defoamer is defoamer BYK-012 or BYK-015 (Bi Ke chemistry); Described levelling agent is levelling agent LA50 (U.S. OMG).

Described plasticizer is epoxy soybean oil.

Described thickening agent is methyl hydroxyethylcellulose.

Described coupling agent is vinyl three tert-butyl peroxide silane.

The preparation method of described heat insulating coatings is specific as follows:

Needed raw material is weighed according to weight proportion, in water, dispersant is added under room temperature, after being uniformly dispersed, silica dioxide gel, hydroxyl CNT, epoxy resin, propylene glycol, nano titanium oxide, polyetheretherketonefiber fiber, polyacrylamide is added under stirring, after being uniformly mixed, it is subsequently added into styrene-acrylic emulsion, aqueous polyurethane, defoamer, levelling agent, plasticizer, thickening agent, coupling agent, is uniformly mixed and can be prepared by described heat insulating coatings.

Beneficial effect: compared with prior art, the present invention has following significance beneficial effect:

The coating of the present invention has excellent heat radiation heat-proof quality, to visible-near-infrared reflectance more than 86%, coating after marine surface can effective temperature-reducing 15-25 DEG C, the iron structure material that can avoid boats and ships gets off to cause that metal produces fatigue for a long time because expanding with heat and contract with cold, and then occur its material surface paint pop to peel off, hydrone and hydrogen, hydrochloric acid etc. enter contact steel surface, cause efflorescence, rust corrosion phenomenon, extend the service life of boats and ships; The coating of the present invention, safety and environmental protection, good penetrability, can be integrated with base material bolt consolidation, further enhance the protection to base material, also there is excellent salt water resistance corrosive nature simultaneously, the hardness and the adhesive force that soak coating after 25h in saline are basically unchanged, and remain in that good performance; Having good weatherability, coating is after testing 720h through 60 DEG C of RH96% wet-heat resistings and after 360h ultraviolet ageing, and visible-near-infrared reflectance and cooling-down effect are basically unchanged by it; Surface tensile strength/MPa is higher than 50, has excellent abrasion and impact resistance; Overall performance is superior, it is possible to extends the service life of boats and ships, is a kind of environmental protection coating material suitable in boats and ships; And the coating of the present invention, its preparation method operation simple, easy, mild condition, be more suitable for industrialized production, have promotional value.

Detailed description of the invention

Below in conjunction with embodiment, technical solution of the present invention is described in further detail and completely.

Embodiment 1

A kind of boats and ships heat insulating coatings, includes following component by weight ratio:

Silica dioxide gel: 40 parts;

Hydroxyl CNT: 1.2 parts;

Aqueous epoxy resins EP385:3 part;

Styrene-acrylic emulsion: 1.6 parts;

Propylene glycol: 2 parts;

Nano titanium oxide: 0.8 part;

Polyetheretherketonefiber fiber: 12 parts;

Polyacrylamide: 1.2 parts;

Aqueous polyurethane: 1.5 parts;

Water: 8 parts;

Dispersant B YK191:0.5 part;

Defoamer BYK-012:0.5 part;

Levelling agent LA50:0.5 part;

Plasticizer: epoxy soybean oil: 0.5 part;

Thickening agent: methyl hydroxyethylcellulose: 0.5 part;

Coupling agent: vinyl three tert-butyl peroxide silane: 0.5 part.

Embodiment 2

A kind of boats and ships heat insulating coatings, includes following component by weight ratio:

Silica dioxide gel: 45 parts;

Hydroxyl CNT: 1.4 parts;

Aqueous epoxy resins EP401:4 part;

Styrene-acrylic emulsion: 1.9 parts;

Propylene glycol: 2.5 parts;

Nano titanium oxide: 1 part;

Polyetheretherketonefiber fiber: 1.5 parts;

Polyacrylamide: 1.4 parts;

Aqueous polyurethane: 2 parts;

Water: 9 parts;

Dispersant B YK191:0.8 part;

Defoamer BYK-015:0.8 part;

Levelling agent LA50:0.8 part;

Plasticizer: epoxy soybean oil: 0.8 part;

Thickening agent: methyl hydroxyethylcellulose: 0.8 part;

Coupling agent: vinyl three tert-butyl peroxide silane: 0.8 part.

Embodiment 3

A kind of boats and ships heat insulating coatings, includes following component by weight ratio:

Silica dioxide gel: 50 parts;

Hydroxyl CNT: 1.6 parts;

Aqueous epoxy resins EP385:5 part;

Styrene-acrylic emulsion: 2.2 parts;

Propylene glycol: 3 parts;

Nano titanium oxide: 1.2 parts;

Polyetheretherketonefiber fiber: 2 parts;

Polyacrylamide: 1.6 parts;

Aqueous polyurethane: 2.5 parts;

Water: 10 parts;

Dispersant B YK191:1 part;

Defoamer BYK-012:1 part;

Levelling agent LA50:1 part;

Plasticizer: epoxy soybean oil: 1 part;

Thickening agent: methyl hydroxyethylcellulose: 1 part;

Coupling agent: vinyl three tert-butyl peroxide silane: 1 part.

Silica dioxide gel in above-described embodiment, is be prepared via a method which and obtain:

Described silica dioxide gel is prepared by following methods: according to the ratio that mol ratio is 1:6:4, tetraethyl orthosilicate, dehydrated alcohol and water are stirred at 50 DEG C 25min, obtain the mixed solution stirred, the hydrochloric acid being subsequently adding 0.1mol/L regulates the pH value of mixed solution to 3-4, after insulation reaction 3h, add 0.1mol/L ammonia, the pH value of solution system is regulated to 7-8, continues insulated and stirred 25min, can be prepared by described silica dioxide gel.

The preparation method of the above embodiment of the present invention heat insulating coatings is specific as follows:

Needed raw material is weighed according to weight proportion, in water, dispersant is added under room temperature, after being uniformly dispersed, silica dioxide gel, hydroxyl CNT, epoxy resin, propylene glycol, nano titanium oxide, polyetheretherketonefiber fiber, polyacrylamide is added under stirring, after being uniformly mixed, it is subsequently added into styrene-acrylic emulsion, aqueous polyurethane, defoamer, levelling agent, plasticizer, thickening agent, coupling agent, is uniformly mixed and can be prepared by described heat insulating coatings.

The using method of the coating prepared by above-described embodiment is as follows:

First it is intended to construction surface with clear water, removes surface dirt; Coating being poured into spray gun or brushing tool carries out a spraying operation: brushing distance about 30 ~ 45cm, air compressor machine pressure setting is 70 ~ 80psi pound, sprays simultaneously and brushes with same direction, can avoid producing brush mark; Spraying waits at least for 1h after terminating, and makes to be completely dried film forming; Then carrying out secondary spraying, in order to ensure effect, first brushing thickness is 0.15mm(dry film), second brushing thickness is 0.1mm(dry film), amount at least up to 0.25mm(dry film) gross thickness.

Alien invasion and deck plane at boats and ships use above-mentioned coating, alien invasion non-brushing above-mentioned coating front surface temperature is 59 DEG C, near 34 DEG C of brushing paint rear surface temperature, effective temperature-reducing 25 DEG C, deck plane is brushing above-mentioned coating front surface temperature is 57 DEG C, near 40 DEG C of brushing paint rear surface temperature, effective temperature-reducing 17 DEG C, result shows, above-mentioned coating can effective reflected solar radiation (to visible-near-infrared reflectance more than 86%), there is certain thermolysis simultaneously, so that it can effectively reduce the surface temperature of boats and ships, the iron structure material that can avoid boats and ships gets off to cause that metal produces fatigue for a long time because expanding with heat and contract with cold, and then occur its material surface paint pop to peel off, hydrone and hydrogen, hydrochloric acid etc. enter contact steel surface, cause efflorescence, rust corrosion phenomenon, extend the service life of boats and ships.

To coat the coating base plate of above-mentioned coating simultaneously, and be placed in saline and soak after 25h, the performance such as the hardness of result display coating and adhesive force is basically unchanged, and has good salt water resistance corrosive nature, it is possible to suitable in marine environment; Coating base plate is tested after 720h and after 360h ultraviolet ageing through 60 DEG C of RH96% wet-heat resistings, and visible-near-infrared reflectance and cooling-down effect are basically unchanged by it, have good weatherability; Coating base plate surface tensile strength/MPa is higher than 50, has excellent abrasion and impact resistance.

As fully visible, the coating of the present invention is applicable to boats and ships and uses, and overall performance is excellent, it is possible to well protect boats and ships, extends the service life of boats and ships, has promotional value.

Finally need it is pointed out here that: be only the part preferred embodiment of the present invention above, it is impossible to be interpreted as limiting the scope of the invention, some nonessential improvement and adjustment that those skilled in the art makes according to the foregoing of the present invention

Belong to protection scope of the present invention.

Claims (6)

1. a boats and ships heat insulating coatings, it is characterised in that: include following component by weight ratio:

Silica dioxide gel: 40-50 part;

Hydroxyl CNT: 1.2-1.6 part;

Epoxy resin: 3-5 part;

Styrene-acrylic emulsion: 1.6-2.2 part;

Propylene glycol: 2-3 part;

Nano titanium oxide: 0.8-1.2 part;

Polyetheretherketonefiber fiber: 1-2 part;

Polyacrylamide: 1.2-1.6 part;

Aqueous polyurethane: 1.5-2.5 part;

Water: 8-10 part;

Dispersant: 0.5-1 part;

Defoamer: 0.5-1 part;

Levelling agent: 0.5-1 part;

Plasticizer: 0.5-1 part;

Thickening agent: 0.5-1 part;

Coupling agent: 0.5-1 part.

2. boats and ships heat insulating coatings according to claim 1, it is characterized in that: described silica dioxide gel is prepared by following methods: tetraethyl orthosilicate, dehydrated alcohol and water are stirred 15-35min according to the ratio that mol ratio is 1:6:4 at 45-55 DEG C, obtain the mixed solution stirred, the hydrochloric acid being subsequently adding 0.1mol/L regulates the pH value of mixed solution to 3-4, after insulation reaction 2-4h, add 0.1mol/L ammonia, the pH value of solution system is regulated to 7-8, continue insulated and stirred 15-35min, can be prepared by described silica dioxide gel.

3. boats and ships heat insulating coatings according to claim 1, it is characterised in that: described epoxy resin is aqueous epoxy resins.

4. boats and ships heat insulating coatings according to claim 1, it is characterised in that: described dispersant is dispersant B YK191; Described defoamer is defoamer BYK-012 or BYK-015; Described levelling agent is levelling agent LA50.

5. boats and ships heat insulating coatings according to claim 1, it is characterised in that: described plasticizer is epoxy soybean oil; Described thickening agent is methyl hydroxyethylcellulose; Described coupling agent is vinyl three tert-butyl peroxide silane.

6. boats and ships heat insulating coatings according to claim 1, it is characterised in that: the preparation method of described heat insulating coatings is specific as follows:

Needed raw material is weighed according to weight proportion, in water, dispersant is added under room temperature, after being uniformly dispersed, silica dioxide gel, hydroxyl CNT, epoxy resin, propylene glycol, nano titanium oxide, polyetheretherketonefiber fiber, polyacrylamide is added under stirring, after being uniformly mixed, it is subsequently added into styrene-acrylic emulsion, aqueous polyurethane, defoamer, levelling agent, plasticizer, thickening agent, coupling agent, is uniformly mixed and can be prepared by described heat insulating coatings.