1. Field of the Invention
The present invention relates to a PVC floorboard, and more particularly to a PVC self-adhesive floorboard with water-resistant glue.
2. Description of the Prior Art
Glue of prior PVC self-adhesive floorboard is directly applied to back of PVC floorboard without isolation layers between glue and floorboard. Because a large number of plasticizer is contained in the PVC floorboard, it is easy to be drifted away while using. It not only gelatinizes and loses stickiness, but also leaves the glue stuck onto the ground and thus unable to be removed. This causes great difficulty in handling the ground when replacing the floorboard afterwards.
Besides, there is no water-resistant function in the glue of prior PVC self-adhesive floorboard. When the glue is wet, it loses stickiness.
In order to overcome the defects of the prior art, the present invention provides a PVC self-adhesive floorboard with water-resistant glue. The glue thereof is water-resistant, can prevent a plasticizer from drifting away from the PVC floorboard to affect stickiness of the water-resistant glue.
In order to achieve the above object of the present invention, the present invention adopts the following technical solution.
A PVC self-adhesive floorboard with water-resistant glue, comprises a main body layer, an isolation layer and water-resistant glue from a top to a bottom, compositions of water-resistant glue comprise: styrene-isoprene-styrene block copolymer from 34 to 38 weight percent, C5 hydrogenated petroleum resin from 46.4 to 50.4 weight percent, cycloalkyl rubber extender oil from 13 to 17 weight percent, hindered phenol antioxidant from 0.5 to 0.6 weight percent.
Further, the compositions of the water-resistant glue comprise 36 weight percent styrene-isoprene-styrene block copolymer, 48.4 weight percent C5 hydrogenated petroleum resin, 15 weight percent cycloalkyl rubber extender oil and 0.6 weight percent hindered phenol antioxidant.
Further, the isolation layer between the main body layer and the water-resistant glue is PVC film of 0 PHR.
Further, the PVC self-adhesive floorboard with water-resistant glue further comprises a layer of release paper located under the water-resistant glue, to protect the water-resistant glue.
Further, the main body layer comprises a PU coating, a wear-resistance layer, a printing layer, a PVC medium material layer and a PVC bottom material layer.
The present invention has the following beneficial effects.
The plasticizer is blocked and not be drifted away to the water-resistant glue to react with it by adding an isolation layer between the main body layer and the water-resistant glue of the present invention. It keeps the stickiness of the water-resistant glue and does not leave glue imprint difficult to erase when replacing floorboard.
Secondly, the present invention abandons traditional hot-melt adhesive and uses water-resistant glue with better water-resistant function. Even it is put into water, stickiness can be restored as long as it is air-dried.
1 PU coating
2 wear-resistance layer
3 printing layer
4 PVC medium material layer
5 PVC bottom material layer
6 isolation layer
7 water-resistant glue
8 release paper
10 main body layer
The following text will further describe the present invention with reference to the accompanying drawings.
Please refer to
Preferably, the compositions of the water-resistant glue 7 comprise 36 weight percent styrene-isoprene-styrene block copolymer, 48.4 weight percent C5 hydrogenated petroleum resin, 15 weight percent cycloalkyl rubber extender oil and 0.6 weight percent hindered phenol antioxidant. The layer of the release paper 8 located under the water-resistant glue 7 can protect the water-resistant glue 7.
The plasticizer is blocked and not be drifted away to the water-resistant glue to react with it by adding the isolation layer between the main body layer and the water-resistant glue of the present invention. It keeps the stickiness of the water-resistant glue and does not leave glue imprint difficult to erase when replacing floorboard.
Secondly, the present invention abandons traditional hot-melt adhesive and uses water-resistant glue with better water-resistant function. Even it is put into water, the stickiness can be restored as long as it is air-dried.
The technical scope of the present invention is not limited to the above description of the contents. Any person who skilled in the art may deform and modify the embodiment of the present invention within the spirit and scope of the appended claims, but these deformation and modification belong to the protection scope of the present invention.
Number | Date | Country | Kind |
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201310699234.5 | Dec 2013 | CN | national |
Filing Document | Filing Date | Country | Kind |
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PCT/CN2014/074799 | 4/4/2014 | WO | 00 |