The content of the invention
It is an object of the invention to provide a kind of seamless composite water-proof wall paper and preparation method thereof, by made from preparation methodThis is seamless, and composite water-proof wall paper has excellent mechanical property and waterproof effect.
To achieve these goals, the invention provides a kind of seamless composite water-proof wall paper, including it is from top to bottom multiple successivelyThe nonwoven layer of conjunction, adhesive layer, the surface of adhesive layer are implanted with chopped fiber；Wherein, adhesive layer is dried by adhesive and formed, and is bondedAgent is by styrene-acrylic emulsion, sodium metasilicate, chlorination ethylene propylene diene rubber, polysiloxanes, polyacrylamide, nanometer calcium, nano diatomite, phosphorusAcid esters sodium, mica powder, water, thickener and defoamer composition；The length of chopped fiber is 35-50mm.
Present invention also offers a kind of preparation method of seamless composite water-proof wall paper described above, the preparation method includes：
1) adhesive is coated on to the surface of nonwoven layer, then carries out preliminarily dried；
2) chopped fiber is laid in the surface of adhesive, then carries out redrying so that head product is made；
3) head product is subjected to compaction treatment so that seamless composite water-proof wall paper is made.
In the above-mentioned technical solutions, the present invention is compound by the way that adhesive is carried out chopped fiber with nonwoven layer, wherein viscousMixture can not only play a part of bonding, while also act as the effect of disinfecting mouldproof；It is further advanced by chopped fiber, adhesive layerCollective effect can play a part of improve wall paper mechanical strength so that the wall paper have excellent mechanical property withAnd waterproof effect.The preparation method has process simple and the advantages of raw material is easy to get simultaneously.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Embodiment
The embodiment of the present invention is described in detail below.It is it should be appreciated that described herein specificEmbodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.
The invention provides a kind of seamless composite water-proof wall paper, including from top to bottom compound nonwoven layer, bonding successivelyLayer, the surface of adhesive layer is implanted with chopped fiber；Wherein, adhesive layer is dried by adhesive and formed, and adhesive is by styrene-acrylic emulsion, silicic acidSodium, chlorination ethylene propylene diene rubber, polysiloxanes, polyacrylamide, nanometer calcium, nano diatomite, sodium phosphate, mica powder, water,Thickener and defoamer composition；The length of chopped fiber is 35-50mm.
In above-mentioned seamless composite water-proof wall paper, the content of each component of adhesive can select in wide scope, butIt is in order that wall paper has the waterproof effect of more excellent mechanics, it is preferable that in adhesive, styrene-acrylic emulsion, sodium metasilicate, chlorinationEthylene propylene diene rubber, polysiloxanes, polyacrylamide, nanometer calcium, nano diatomite, sodium phosphate, mica powder, water, thickenerWeight ratio with defoamer is 100：4-8：20-25：1.5-5：12-18：2-6：3-7：10-16：8-20：80-110：2-4：1-3。
In above-mentioned seamless composite water-proof wall paper, the specific species of thickener can select in wide scope, but beMake wall paper that there is the waterproof effect of more excellent mechanics, it is preferable that thickener is methylcellulose, carboxymethyl cellulose, hydroxylAt least one of ethyl cellulose and hydroxypropyl methyl cellulose.
In above-mentioned seamless composite water-proof wall paper, the specific species of defoamer can select in wide scope, but beMake wall paper that there is the waterproof effect of more excellent mechanics, it is preferable that defoamer be polyoxyethylene polyoxypropylene pentaerythrite ether,At least one of polyoxyethylene polyoxy propyl alcohol amidogen ether, polypropylene glycerol aether and polyoxyethylene polyoxypropylene glycerin ether.
In above-mentioned seamless composite water-proof wall paper, the specific species of chopped fiber can select in wide scope, but beMake wall paper that there is the waterproof effect of more excellent mechanics, it is preferable that it is fine that chopped fiber is selected from polyester fiber, acrylic fiber, polyamide fibreAt least one of dimension, polypropylene fiber, vinylon fibre and polyvinyl chloride fibre fiber.
In above-mentioned seamless composite water-proof wall paper, the specific species of chopped fiber can select in wide scope, but beMake wall paper that there is the waterproof effect of more excellent mechanics, it is preferable that the thickness of nonwoven layer is 20-30 silks, the thickness of adhesive layerSpend for 25-40 silks, the thickness of short fiber layers is 10-15 silks.
In above-mentioned seamless composite water-proof wall paper, the coverage density of fiber can select in wide scope in adhesive layer,But in order that wall paper has the waterproof effect of more excellent mechanics, it is preferable that the coverage density of fiber is 20-30 in adhesive layerArea %.
In above-mentioned seamless composite water-proof wall paper, nanometer calcium, the average grain diameter of nano diatomite can be in wide scopesSelection, but in order that wall paper has the waterproof effect of more excellent mechanics, it is preferable that nanometer calcium, nano diatomite are averagedParticle diameter is 15-25nm.
Present invention also offers a kind of preparation method of seamless composite water-proof wall paper described above, the preparation method includes：
1) adhesive is coated on to the surface of nonwoven layer, then carries out preliminarily dried；
2) chopped fiber is laid in the surface of adhesive, then carries out redrying so that head product is made；
3) head product is subjected to compaction treatment so that seamless composite water-proof wall paper is made.
In the step 1) of above-mentioned preparation method, the actual conditions of preliminarily dried can select in wide condition, stillIn order that obtained wall paper has the waterproof effect of more excellent mechanics, it is preferable that in step 1), preliminarily dried at least meetsFollowing condition：Drying temperature is 50-70 DEG C, drying time 0.5-1h.
In the step 2) of above-mentioned preparation method, the actual conditions of redrying can select in wide condition, stillIn order that obtained wall paper has the waterproof effect of more excellent mechanics, it is preferable that in step 2), redrying at least meetsFollowing condition：Drying temperature is 80-100 DEG C, drying time 12-24h.
In the step 3) of above-mentioned preparation method, the actual conditions of compaction treatment can select in wide condition, stillIn order that obtained wall paper has the waterproof effect of more excellent mechanics, it is preferable that in step 3), compaction treatment at least meetsFollowing condition：Compaction pressure is 2-4MPa, and the compacting time is 8-12h.
The present invention will be described in detail by way of examples below.
Preparation example 1
1) by styrene-acrylic emulsion, chlorination ethylene propylene diene rubber, polysiloxanes, polyacrylamide, sodium phosphate, mica powder and waterIt is stirred 1h and mixture I is made；
2) sodium metasilicate, nanometer calcium (average grain diameter 20nm), nano diatomite (average grain diameter 20nm) are added to instituteState in mixture I and stir 30min so that mixtures II is made；
3) by thickener (methylcellulose) and defoamer (polyoxyethylene polyoxypropylene pentaerythrite ether) described inIn mixtures II and 30min is stirred so that adhesive A 1 is made；Wherein, styrene-acrylic emulsion, sodium metasilicate, chlorination ethylene propylene diene rubber, poly-Siloxanes, polyacrylamide, nanometer calcium, nano diatomite, sodium phosphate, mica powder, water, the weight ratio of thickener and defoamerFor 100：6：22：3：15：4：5：13：15：100：3：2.
Preparation example 2
1) by styrene-acrylic emulsion, chlorination ethylene propylene diene rubber, polysiloxanes, polyacrylamide, sodium phosphate, mica powder and waterIt is stirred 1h and mixture I is made；
2) sodium metasilicate, nanometer calcium (average grain diameter 15nm), nano diatomite (average grain diameter 15nm) are added to instituteState in mixture I and stir 30min so that mixtures II is made；
3) thickener (carboxymethyl cellulose) and defoamer (polyoxyethylene polyoxy propyl alcohol amidogen ether) are added to the mixingIn thing II and 30min is stirred so that adhesive A 2 is made；Wherein, styrene-acrylic emulsion, sodium metasilicate, chlorination ethylene propylene diene rubber, poly- silicaAlkane, polyacrylamide, nanometer calcium, nano diatomite, sodium phosphate, mica powder, water, the weight ratio of thickener and defoamer are100：4：20：1.5：12：2：3：10：8：80：2：1.
Preparation example 3
1) by styrene-acrylic emulsion, chlorination ethylene propylene diene rubber, polysiloxanes, polyacrylamide, sodium phosphate, mica powder and waterIt is stirred 1h and mixture I is made；
2) sodium metasilicate, nanometer calcium (average grain diameter 25nm), nano diatomite (average grain diameter 25nm) are added to instituteState in mixture I and stir 30min so that mixtures II is made；
3) thickener (hydroxypropyl methyl cellulose) and defoamer (polyoxyethylene polyoxypropylene glycerin ether) are added to instituteState in mixtures II and stir 30min so that adhesive A 3 is made；Wherein, styrene-acrylic emulsion, sodium metasilicate, chlorination ethylene propylene diene rubber,Polysiloxanes, polyacrylamide, nanometer calcium, nano diatomite, sodium phosphate, mica powder, water, the weight of thickener and defoamerThan for 100：8：25：5：18：6：7：16：20：110：4：3.
Preparation example 4
Method according to preparation example 1 carries out that adhesive A 4 is made, except that nanometer calcium is not used.
Preparation example 5
Method according to preparation example 1 carries out that adhesive A 5 is made, except that nano diatomite is not used.
Embodiment 3
1) by surface of the adhesive A 3 coated on nonwoven layer (thickness is 30), then carry out preliminarily dried and (dry temperatureSpend for 70 DEG C, drying time 1h) form adhesive phase (thickness is 40)；
2) by chopped fiber (polyvinyl chloride fibre fiber；Length is 35-50mm) it is laid in the surface formation fibrous layer (thickness of adhesive phaseFor 15, coverage density is 30 area %), then carry out redrying (drying temperature be 100 DEG C, drying time 24h) withHead product is made；
3) head product is subjected to compaction treatment (compaction pressure 4MPa, compacting time are 12h) to be made seamless compound anti-Waterwall cloth B3.
Comparative example 1
Method according to preparation example 1 carry out be made seamless composite water-proof wall paper C1, except that adhesive A 1 be changed to it is viscousMixture A4.
Comparative example 2
Method according to preparation example 1 carry out be made seamless composite water-proof wall paper C2, except that adhesive A 1 be changed to it is viscousMixture A5.
Comparative example 3
Method according to preparation example 1 carries out that seamless composite water-proof wall paper C3 is made, except that step 2) is unused shortFiber.
Detect example 1
1) by above-mentioned wall paper close water pipe bottom, then into water pipe water-filling and change hydraulic pressure until wall paper seep water, noteThe hydraulic pressure of record now is infiltration pressure；
2) and then by instron GP-6113 (Instrument Ltd. is surveyed in the high product examine in Suzhou City) above-mentioned wall is detectedThe tensile strength of cloth；Concrete outcome is shown in Table 1.
Table 1
| The pressure that seeps water (MPa) | Tensile strength (MPa) |
| B1 | 3.7 | 42 |
| B2 | 3.9 | 41 |
| B3 | 3.8 | 40 |
| C1 | 1.7 | 23 |
| C2 | 1.5 | 22 |
| C3 | 3.0 | 15 |
By above-described embodiment, comparative example and detection example, wall paper provided by the invention has excellent mechanics and preventedWater effect.
The preferred embodiment of the present invention described in detail above, still, the present invention are not limited in above-mentioned embodimentDetail, in the range of the technology design of the present invention, a variety of simple variants can be carried out to technical scheme, thisA little simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lanceIn the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various canThe combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originallyThe thought of invention, it should equally be considered as content disclosed in this invention.