Electrostatic flocking adhesive defoamer and application thereof
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A defoamer and emulsifier technology, applied in the field of fine chemical additives, can solve the problems of poor compatibility, low flocking fastness, poor wear resistance, etc., and achieve the effect of excellent performance, good safety and low price
Active Publication Date: 2013-03-13
安徽銮威化工科技开发有限公司
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Problems solved by technology
Silicone defoamer has good anti-inhibiting effect, but its compatibility with the system is poor. As the storage time increases, oil slicks appear on the liquid surface. The flocking fastness is low and the wear resistance is poor after being inverted.
Method used
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Embodiment 1
[0036] Embodiment 1 prepares polyether ester
[0037] Polyetherester-1: x=40, y=50, t=10;
[0038] Polyetherester-2: x=20, y=60, t=5;
[0039] Polyetherester-3: x=80, y=40, t=12;
[0040] Polyetherester-4: x=100, y=20, t=15;
[0041] Polyetherester-5: x=200, y=10, t=11;
Embodiment 2
[0042] Example 2 Preparation of polysiloxane modified polyether ester
[0049] Example 3 Preparation of acyl-terminated modified polyether
[0050] Acyl-terminated modified polyether-1: R1=n-hexyl, R2=lauroyl, OA=propyleneoxy, h is 30, j is 1;
[0051] Acyl-terminated modified polyether-2: R1=n-octyl, R2=stearyl, OA=propyleneoxy, h is 30, j is 1;
[0052] Acyl-terminated modified polyether-3: R1=n-hexyl, R2=oleoyl, OA=propyleneoxy, h is 30, j is 1;
[0053] Acyl-terminated modified polyether-4: R1 = n-butyl, R2 = myristoyl, OA = butyleneoxy, h is 40, j is 2;
[0054] Acyl-terminated modified polyether-5: R1=stearyl, R2=oleoyl, OA=ethyleneoxy, h is 20, j is 3;
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Abstract
The invention discloses a defoamer and an application thereof. Using a total mass of an A component and a B component as a reference, a mass percentage of the A component is 20 to 80 % and a mass percentage of the B component is 20 to 80 %; using a mass of the A component as a reference, the A component comprises 13.5 to 34 % of organopolysiloxane active component, 15 to 30 % of polysiloxane-modified polyether ester, 9 to 17 % of an emulsifier, 1 to 5 % of a thickening agent, 0.01 to 0.03 % of an antimicrobial agent, and 40 to 60 % of water; and using a mass of the B component as a reference, the B component comprises 60 to 90 % of acyl terminiated modified polyether and 10 to 40 % of an solubilizer. The defoamer can effectively control foams during a production process of an electrostatic flocking adhesive, and can also effectively inhibit generation of the foams in a later slurry forming process of the flocking adhesive, so that the flocking fastness and wear resistance performance of the flocking products can meet requirements, and the flocking products are excellent in stability and defoaming performance. The defoamer has advantages of small addition, low cost and good safety.
Description
technical field [0001] The invention belongs to the technical field of fine chemical additives. It relates to a defoamer, in particular to an electrostatic flocking glue defoamer and its application. Background technique [0002] Electrostatic flocking is prepared by planting electro-treated short fibers on the surface of the substrate coated with adhesive in a high-voltage electrostatic field, and then pre-baking, baking and other processes. As a surface processing technology, electrostatic flocking has its unique advantages. It can be flocked on various three-dimensional and non-three-dimensional substrates such as fabric, paper, plastic, rubber, wood, glass, metal and ceramics. It has been widely used in Automobiles, stationery, packaging, decoration, instruments and meters and many other industries, and have the functions of wear resistance, lubrication, sealing, sound insulation, heat insulation, anti-scalding, anti-corrosion and anti-fouling, which are both beautiful ...
Claims
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Application Information
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