Invention content
The object of the present invention is to provide a kind of high intensity seamless composite wall cloths and preparation method thereof, are made by preparation methodThe high intensity seamless composite wall cloth have excellent mechanical property and waterproof effect.
To achieve the goals above, the present invention provides a kind of high intensity seamless composite wall cloths, including from top to bottom successivelyCompound nonwoven layer, adhesive layer, the surface of adhesive layer is implanted with long fibre；Wherein, adhesive layer is dried by adhesive, is gluedMixture by styrene-acrylic emulsion, sodium metasilicate, chlorination ethylene propylene diene rubber, polysiloxanes, polyacrylamide, nanometer calcium, nano diatomite,Sodium phosphate, mica powder, water, thickener and antifoaming agent composition；Long stapled length is 55-70mm.
The present invention also provides a kind of preparation method such as above-mentioned high intensity seamless composite wall cloth, the preparation method packetsIt includes：
1) adhesive is coated on to the surface of nonwoven layer, then carries out preliminarily dried；
2) long fibre 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 high intensity seamless composite wall cloth is made.
In the above-mentioned technical solutions, the present invention is compound by the way that long fibre to be carried out to adhesive with nonwoven layer, wherein viscousMixture can not only play the role of bonding, while also act as disinfecting mouldproof；It is further advanced by long fibre, adhesive layerCollective effect can play the role of improve wall paper mechanical strength so that the wall paper have excellent mechanical property withAnd waterproof effect.The preparation method has the advantages that process is simple and 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.
Specific implementation mode
The specific implementation mode of the present invention is described in detail below.It should be understood that described herein specificEmbodiment is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The present invention provides a kind of high intensity seamless composite wall cloths, including from top to bottom compound nonwoven layer, viscous successivelyLayer is closed, the surface of adhesive layer is implanted with long fibre；Wherein, adhesive layer is dried by adhesive, and adhesive is by styrene-acrylic emulsion, siliconSour sodium, chlorination ethylene propylene diene rubber, polysiloxanes, polyacrylamide, nanometer calcium, nano diatomite, sodium phosphate, mica powder,Water, thickener and antifoaming agent composition；Long stapled length is 55-70mm.
In above-mentioned high intensity seamless composite wall cloth, the content of each component of adhesive can select in a wide range,But in order to make wall paper that there is the waterproof effect of superior mechanics, it is preferable that in adhesive, styrene-acrylic emulsion, sodium metasilicate, chlorineChange ethylene propylene diene rubber, polysiloxanes, polyacrylamide, nanometer calcium, nano diatomite, sodium phosphate, mica powder, water, thickeningThe weight ratio of agent and antifoaming agent 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 high intensity seamless composite wall cloth, the specific type of thickener can select in a wide range, stillIn order to make wall paper have superior mechanics waterproof effect, it is preferable that thickener be methylcellulose, carboxymethyl cellulose,At least one of hydroxyethyl cellulose and hydroxypropyl methyl cellulose.
In above-mentioned high intensity seamless composite wall cloth, the specific type of antifoaming agent can select in a wide range, stillIn order to make wall paper that there is the waterproof effect of superior mechanics, it is preferable that antifoaming agent is polyoxyethylene polyoxypropylene pentaerythriteAt least one of ether, polyoxyethylene polyoxy propyl alcohol amidogen ether, polypropylene glycerol aether and polyoxyethylene polyoxypropylene glycerin ether.
In above-mentioned high intensity seamless composite wall cloth, long stapled specific type can select in a wide range, stillIn order to make wall paper that there is the waterproof effect of superior mechanics, it is preferable that long fibre is selected from polyester fiber, acrylic fiber, polyamide fibreAt least one of fiber, polypropylene fiber, vinylon fibre and polyvinyl chloride fibre fiber.
In above-mentioned high intensity seamless composite wall cloth, long stapled specific type can select in a wide range, stillIn order to make wall paper that there is the waterproof effect of superior mechanics, it is preferable that the thickness of nonwoven layer is 20-30, adhesive layerThickness is 25-40, and the thickness of long fibre layer is 10-15.
In above-mentioned high intensity seamless composite wall cloth, the coverage density of fiber can be selected in a wide range in adhesive layerIt selects, but in order to make wall paper that there is the waterproof effect of superior mechanics, it is preferable that the coverage density of fiber is in adhesive layer20-30 areas %.
In above-mentioned high intensity seamless composite wall cloth, nanometer calcium, the average grain diameter of nano diatomite can be in wide rangesInterior selection, but in order to make wall paper that there is the waterproof effect of superior mechanics, it is preferable that nanometer calcium, nano diatomite it is flatEqual grain size is 15-25nm.
The present invention also provides a kind of preparation method such as above-mentioned high intensity seamless composite wall cloth, the preparation method packetsIt includes：
1) adhesive is coated on to the surface of nonwoven layer, then carries out preliminarily dried；
2) long fibre 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 high intensity seamless composite wall cloth is made.
In the step 1) of above-mentioned preparation method, the actual conditions of preliminarily dried can select in wide condition, stillIn order to make wall paper obtained that there is the waterproof effect of superior mechanics, it is preferable that in step 1), preliminarily dried at least meetsThe following conditions：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 to make wall paper obtained that there is the waterproof effect of superior mechanics, it is preferable that in step 2), redrying at least meetsThe following conditions：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 to make wall paper obtained that there is the waterproof effect of superior mechanics, it is preferable that in step 3), compaction treatment at least meetsThe following conditions：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 instituteIt states in mixture I and stirs 30min so that mixtures II is made；
3) thickener (methylcellulose) and antifoaming agent (polyoxyethylene polyoxypropylene pentaerythrite ether) are added to describedIn 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-The weight ratio of siloxanes, polyacrylamide, nanometer calcium, nano diatomite, sodium phosphate, mica powder, water, thickener and antifoaming agentIt is 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 instituteIt states in mixture I and stirs 30min so that mixtures II is made；
3) thickener (carboxymethyl cellulose) and antifoaming agent (polyoxyethylene polyoxy propyl alcohol amidogen ether) are added to the mixingIn object 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, thickener and antifoaming agent weight ratio be100：4：20：1.5：12：2：3：10：8：80：2：1.
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 instituteIt states in mixture I and stirs 30min so that mixtures II is made；
3) thickener (hydroxypropyl methyl cellulose) and antifoaming agent (polyoxyethylene polyoxypropylene glycerin ether) are added to instituteIt states in mixtures II and stirs 30min so that adhesive A 3 is made；Wherein, styrene-acrylic emulsion, sodium metasilicate, chlorination ethylene propylene diene rubber,The weight of polysiloxanes, polyacrylamide, nanometer calcium, nano diatomite, sodium phosphate, mica powder, water, thickener and antifoaming agentThan being 100：8：25：5：18：6：7：16：20：110：4：3.
Preparation example 4
It carries out that adhesive A 4 is made according to the method for preparation example 1, except that nanometer calcium is not used.
Preparation example 5
It carries out that adhesive A 5 is made according to the method for preparation example 1, except that nano diatomite is not used.
Embodiment 3
1) adhesive A 3 is coated on to the surface of nonwoven layer (thickness is 30), then carries out preliminarily dried (dry temperatureDegree is 70 DEG C, drying time 1h) form adhesive phase (thickness is 40)；
2) by long fibre (polyvinyl chloride fibre fiber；Length is 55-70mm) it is laid in the surface formation fibrous layer (thickness of adhesive phaseBe 15, coverage density be 30 area %), then carry out redrying (drying temperature be 100 DEG C, drying time be for 24 hours) withHead product is made；
3) head product is subjected to compaction treatment (compaction pressure 4MPa, compacting time are 12h) so that high intensity seamless is madeComposite wall cloth B3.
Comparative example 1
It carries out that high intensity seamless composite wall cloth C1 is made according to the method for preparation example 1, except that adhesive A 1 is changed toAdhesive A 4.
Comparative example 2
It carries out that high intensity seamless composite wall cloth C2 is made according to the method for preparation example 1, except that adhesive A 1 is changed toAdhesive A 5.
Comparative example 3
It carries out that high intensity seamless composite wall cloth C3 is made according to the method for preparation example 1, except that step 2) is not usedLong fibre.
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 at this time 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 | 3.8 | 44 |
| B2 | 4.0 | 46 |
| B3 | 3.9 | 39 |
| C1 | 1.6 | 24 |
| C2 | 1.9 | 22 |
| C3 | 3.1 | 19 |
By above-described embodiment, comparative example and detection example it is found that wall paper provided by the invention has excellent mechanics and preventsWater effect.
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described aboveDetail can carry out a variety of simple variants to technical scheme of the present invention within the scope of the technical concept of the present invention, thisA little simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, 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 also be regarded as the disclosure of the present invention.