Hydrophobic automobile rubber seal strip flocking belt and preparation method thereof

Abstract

The present invention discloses a hydrophobic automobile rubber seal strip flocking belt and a preparation method thereof, wherein the flocking belt comprises a flocking belt film, flocking belt glue, villi and flocking paint; the flocking glue is roller-coated or sprayed on the flocking film to form a flocking glue layer; and the villi is implanted on the flocking glue layer by high voltage static electricity in electrostatic chamber. The flocking coating is roller-coated or sprayed on the villi to form a flocking coating which comprises fluorosilicone modified waterborne polyurethane resin, polyurethane modified acrylic emulsion, organic molybdenum, organic silicon, curing agent and solvent. Accordingly, the preparation method includes such steps as film forming, glue applying, electrostatic flocking, flocking curing, spraying or roller-coating, and coating curing, etc. The flocking belt described in the present invention is installed in a guide groove of the automobile glass, which is enabled to solve the problem of abnormal noise caused by rising and falling of glass of automobile windows. In addition, the flocking coating feels soft and smooth.

Claims

1. A hydrophobic automobile rubber seal strip flocking belt, comprising: a flocking belt film, flocking belt glue, nylon villi, and flocking paint, wherein the flocking glue is roller-coated or sprayed on the flocking film to form a flocking glue layer, the nylon villi is implanted on the flocking glue layer by high voltage static electricity in electrostatic chamber, and the flocking paint is roller-coated or sprayed on the nylon villi to form a flocking coating which comprises one or more of fluorosilicone modified waterborne polyurethane resin, polyurethane modified acrylic emulsion, organic molybdenum, organic silicon, curing agent and solvent.

2. A hydrophobic automobile rubber seal strip flocking belt according to claim 1, wherein the flocking coating further comprises a defoaming agent.

3. A hydrophobic automobile rubber seal strip flocking belt according to claim 2, wherein the flocking coating comprises compositions with the following weight ratios: TABLE-US-00005 Fluorosilicone modified waterborne polyurethane resin 15-50%,  organic molybdenum 3-20%, organic silicon 3-20%, deforming agent 0.1-2%,  curing agent 3-15%, solvent 5-30%.

4. A hydrophobic automobile rubber seal strip flocking belt according to claim 3, wherein the curing agent is an isocyanate; and the solvent is an alcohol ether.

5. A hydrophobic automobile rubber seal strip flocking belt according to claim 3, wherein the defoaming agent is a high molecular polymer defoaming agent.

6. A hydrophobic automobile rubber seal strip flocking belt according to claim 1, wherein the flocking film is one or more mixtures of TPV, PVC and TPE flocking films.

7. A hydrophobic automobile rubber seal strip flocking belt according to claim 1, wherein the flocking glue is PU water-based flocking glue.

8. A preparation method of the hydrophobic automobile rubber seal strip flocking belt according to claim 1, wherein the method comprises the following steps: step 1: applying the flocking glue to the flocking film by roller-coating or spraying; step 2: using high voltage static electricity in electrostatic chamber to implant the nylon villi into the flocking glue layer and putting the belt into a drying tunnel for baking and curing, wherein the semi-finished flocking belt is obtained by rolling after it leaves the drying tunnel; and step 3: putting the semi-finished flocking belt into the unrolling table to spray or roller-coat it with the prepared flocking coating, and then putting it into the drying tunnel for baking and curing.

9. A preparation method of the hydrophobic automobile rubber seal strip flocking belt according to claim 8, wherein the method further comprises step 4: winding after leaving the drying tunnel, slitting, fine cutting, rewinding and packaging.

10. A hydrophobic automobile rubber seal strip flocking belt according to claim 1, wherein the nylon villi are implanted on the flocking glue layer vertically by the high voltage static electricity.

11. A hydrophobic automobile rubber seal strip flocking belt, comprising: a flocking belt film, flocking belt glue, nylon villi, and flocking paint, wherein the flocking glue forms a flocking glue layer on the flocking film and the nylon villi are implanted on the flocking glue layer by high voltage static electricity, and the flocking paint is roller-coated or sprayed on the nylon villi to form a flocking coating which comprises compositions with the following weight ratios: TABLE-US-00006 Fluorosilicone modified waterborne polyurethane resin 15-50%,  organic molybdenum 3-20%, organic silicon 3-20%, deforming agent 0.1-2%,  isocyanate 3-15%, alcohol ether 5-30%.

12. A hydrophobic automobile rubber seal strip flocking belt according to claim 11, wherein the nylon villi are implanted on the flocking glue layer vertically by the high voltage static electricity.

Description

BRIEF DESCRIPTION OF DRAWINGS

(1) FIG. 1. Is a side view of a flocking belt in which the bottom structure layer is a flocking film, the middle structure layer is a flocking glue layer and the top structure layer is a flocking coating; and

(2) FIG. 2 is a flow diagram illustrating a method of forming a flocking belt.

EMBODIMENTS OF THE PRESENT INVENTION

(3) The technical solution of the invention is further described below in conjunction with preferred embodiments, but the scope of protection required by the present invention is not limited to this.

Embodiment 1

(4) A hydrophobic automobile rubber seal strip flocking belt, which comprises TPV flocking film, PU water-based flocking glue, PET villi and flocking paint. PU water-based flocking glue is roller-coated or sprayed on the TPV flocking film to form a flocking glue layer, and the PET villi is implanted on the flocking glue layer by high voltage static electricity in electrostatic chamber. The flocking coating is roller-coated or sprayed on the PET villi to form a flocking coating which comprises compositions with the following weight ratios:

(5) TABLE-US-00002 fluorosilicone modified waterborne polyurethane resin 50%; organic molybdenum 10%; organic silicon 10%; deforming agent 0.2%; isocyanate curing agent 14%; and water 15.8%.

(6) The preparation method of the hydrophobic automobile rubber seal strip flocking belt is as follows:

(7) step 1: applying the PU water-based flocking glue to the TPV flocking film by means of roller-coating or spraying;

(8) step 2: using high voltage static electricity in electrostatic chamber to implant the PET villi into the flocking glue layer and putting the belt into a drying tunnel for baking and curing; the semi-finished flocking belt can be obtained by means of rolling after it leaves the drying tunnel;

(9) step 3: putting the flocking belt into the unrolling table to spray or roller-coat it with the flocking coating prepared as per the process, and then putting it into the drying tunnel for baking and curing; and

(10) step 4: winding after leaving the drying tunnel, slitting, fine cutting, rewinding and packaging to obtain the blocking belt.

Embodiment 2

(11) A hydrophobic automobile rubber seal strip flocking belt, which comprises TPV/PVC flocking film, PU water-based flocking glue, PET villi and flocking paint. PU water-based flocking glue is roller-coated or sprayed on the TPV/PVC flocking film to form a flocking glue layer, and the PET villi is implanted on the flocking glue layer by high voltage static electricity in electrostatic chamber. The flocking coating is roller-coated or sprayed on the PET villi to form a flocking coating which comprises compositions with the following weight ratios:

(12) TABLE-US-00003 fluorosilicone modified waterborne polyurethane resin 40%; organic molybdenum 15%; organic silicon 15%; deforming agent 0.5%; isocyanate curing agent 10%; and water 19.5%.

(13) The preparation method of the hydrophobic automobile rubber seal strip flocking belt is as follows:

(14) step 1: applying the PU water-based flocking glue to the TPV/PVC flocking film by means of roller-coating or spraying;

(15) step 2: using high voltage static electricity in electrostatic chamber to implant the PET villi into the flocking glue layer and putting the belt into a drying tunnel for baking and curing; the semi-finished flocking belt can be obtained by means of rolling after it leaves the drying tunnel;

(16) step 3 putting the flocking belt into the unrolling table to spray or roller-coat it with the flocking coating prepared as per the process, and then putting it into the drying tunnel for baking and curing; and

(17) step 4: winding after leaving the drying tunnel, slitting, fine cutting, rewinding and packaging to obtain the blocking belt

Embodiment 3

(18) A hydrophobic automobile rubber seal strip flocking belt, which comprises TPV/PVC/TPE flocking film, PU water-based flocking glue, PA villi and flocking paint. PU water-based flocking glue is roller-coated or sprayed on the TPV/PVC/TPE flocking film to form a flocking glue layer, and the PA villi is implanted on the flocking glue layer by high voltage static electricity in electrostatic chamber. The flocking coating is roller-coated or sprayed on the PA villi to form a flocking coating which comprises compositions with the following weight ratios:

(19) TABLE-US-00004 fluorosilicone modified waterborne polyurethane resin 30%; organic molybdenum 20%; organic silicon 20%; deforming agent 0.4%; isocyanate curing agent 6%; and water 23.6%.

(20) The preparation method of the hydrophobic automobile rubber seal strip flocking belt is as follows:

(21) step 1: applying the PU water-based flocking glue to the TPV/PVC/TPE flocking film by means of roller-coating or spraying;

(22) step 2: using high voltage static electricity in electrostatic chamber to implant the PA villi into the flocking glue layer and putting the belt into a drying tunnel for baking and curing; the semi-finished flocking belt can be obtained by means of rolling after it leaves the drying tunnel;

(23) step 3: putting the flocking belt into the unrolling table to spray or roller-coat it with the flocking coating prepared as per the process, and then putting it into the drying tunnel for baking and curing; and

(24) step 4: winding after leaving the drying tunnel, slitting, fine cutting, rewinding and packaging to obtain the blocking belt.

(25) The flocking belt of hydrophobic automobile rubber seal strip made from the above embodiment 1-3 is installed in a guide groove of the automobile glass, to test the loudness when the automobile is in motion, and the test results are less than 3 sones (unit of loudness), and the flocking coating feels soft and smooth.

(26) Thus, the hydrophobic automobile rubber seal strip flocking belt of the present invention can solve the problem of abnormal noise caused by rising and falling of glass of automobile windows, and the flocking coating feels soft and smooth.