Asphalt coating material, its preparation method and double-tire-base asphalt waterproof coiled material

Abstract

The present application relates to the technical field of building waterproof material, and proposes a pitch coating material, a preparation method thereof and a double-tire-base pitch waterproof coiled material.The pitch coating material comprises the following components by weight: 20-70 parts of petroleum pitch, 5-30 parts of a toughening agent, 5-30 parts of rubber, 8-11 parts of polyphenylene sulfide, 5-40 parts of a reinforcing material, 5-50 parts of bio-pitch and 1-2 parts of zinc methacrylate.The raw material of the reinforcing material comprises calcium sulfate whiskers and a reinforcing aid, and the reinforcing aid comprises 6-maleimide hexanoic acid.Through the above technical solution, the problem of poor joint peeling strength of the waterproof coiled material in the related art is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building waterproof materials, in particular, relates to a bitumen coating material and a preparation method thereof and a double-tire base bitumen waterproof roll. BACKGROUND

[0002] In the field of building waterproof engineering, waterproof roll is a very important waterproof material. The modern building structure form is more and more diversified, and the comprehensive performance requirement of waterproof roll is also higher and higher. Some special building parts, such as workshop of industrial plant, roof of underground parking lot, etc., need waterproof roll to have good waterproof performance and durability. But in the prior art, single-layer waterproof roll has problems of insufficient waterproof performance and easy to be damaged in practical application. In order to improve the waterproof performance and durability of waterproof roll, multi-layer composite waterproof roll emerges as the times require, but the joint peeling strength of multi-layer composite waterproof roll is poor, therefore, improving the joint peeling strength of waterproof roll is a problem to be solved at present. SUMMARY

[0003] The present application provides a bitumen coating material, a preparation method thereof and a double-tire base bitumen waterproof roll, which solves the problem of poor joint peeling strength of waterproof roll in the related art.

[0004] The technical scheme of the present application is as follows:

[0005] The present application provides a bitumen coating material, which comprises the following components by weight: petroleum asphalt 20-70 parts, toughening agent 5-30 parts, rubber 5-30 parts, polyphenylene sulfide 8-11 parts, reinforcing material 5-40 parts, bio-asphalt 5-50 parts, and zinc methacrylate 1-2 parts. The raw material of the reinforcing material comprises calcium sulfate whisker and reinforcing aid, and the reinforcing aid comprises 6-maleimide hexanoic acid.

[0006] As a further technical scheme, the addition amount of the reinforcing aid is 3%-5% of the mass of the calcium sulfate whisker.

[0007] As a further technical scheme, the reinforcing aid further comprises aniline-2,4-disulfonic acid.

[0008] As a further technical scheme, the mass ratio of the 6-maleimide hexanoic acid and the aniline-2,4-disulfonic acid is 7:1-3.

[0009] In the present application, by limiting the mass ratio of the 6-maleimide hexanoic acid and the aniline-2,4-disulfonic acid to be 7:1-3, the joint peeling strength of the waterproof roll is further improved.

[0010] As a further technical scheme, the preparation method of the reinforcing material comprises the following steps: adding the reinforcing aid into methanol, then adding calcium sulfate whisker for mixing, and drying to obtain the reinforcing material.

[0011] As a further technical solution, the temperature of the mixing is 35-45 DEG C, and the time of the mixing is 2-4h.

[0012] As a further technical solution, the polyphenylene sulfide is composed of a first polyphenylene sulfide and a second polyphenylene sulfide, and the melt viscosities of the first polyphenylene sulfide and the second polyphenylene sulfide are different.

[0013] As a further technical solution, the melt viscosity of the first polyphenylene sulfide is 240Pa·s at 310 DEG C and 1000s -1 , and the melt viscosity of the second polyphenylene sulfide is 345Pa·s at 310 DEG C and 1000s -1 .

[0014] As a further technical solution, the mass ratio of the first polyphenylene sulfide and the second polyphenylene sulfide is 2:3-7.

[0015] In the present application, by limiting the mass ratio of the first polyphenylene sulfide and the second polyphenylene sulfide to 2:3-7, the heat resistance of the asphalt coating can be further improved.

[0016] As a further technical solution, the toughening agent includes one or more of SBS, SIS, and SEBS.

[0017] In the present application, SBS is a styrene-butadiene-styrene block copolymer, SIS is a styrene-isoprene-styrene block copolymer, and SEBS is a hydrogenated styrene-butadiene copolymer.

[0018] As a further technical solution, the petroleum asphalt includes one or more of 110# petroleum asphalt, 150# petroleum asphalt, and 200# petroleum asphalt.

[0019] As a further technical solution, the source of the bio-asphalt is one or both of straw and wood.

[0020] As a further technical solution, the rubber includes one or more of butyl rubber, chloroprene rubber, and styrene-butadiene rubber.

[0021] The present application also proposes a preparation method of asphalt coating, which comprises the following steps:

[0022] After mixing 20-70 parts of petroleum asphalt, 5-30 parts of toughening agent, 5-30 parts of rubber, 8-11 parts of polyphenylene sulfide, 5-40 parts of modified calcium sulfate whisker, 5-50 parts of bio-asphalt, and 1-2 parts of zinc methacrylate, the asphalt coating is obtained.

[0023] The application further provides a double-tire-base asphalt waterproof coiled material, which comprises an upper coiled material and a lower coiled material from top to bottom, the upper coiled material comprises a first self-adhesive asphalt layer I, a first tire base and a first self-adhesive asphalt layer II from top to bottom, and the lower coiled material comprises a second self-adhesive asphalt layer I, a second tire base and a second self-adhesive asphalt layer II from top to bottom; the raw material of the first self-adhesive asphalt layer I and the raw material of the first self-adhesive asphalt layer II each independently comprise the asphalt coating material.

[0024] As a further technical solution, the raw material of the second self-adhesive asphalt layer I and the raw material of the second self-adhesive asphalt layer II are the same, and each independently comprise the following components by weight: 50-65 parts of base asphalt, 10-15 parts of SBS, 3-8 parts of SIS, 1-10 parts of SBR, 0.5-1 part of crosslinking agent and 20-30 parts of filler.

[0025] In the application, the SBR is thermoplastic styrene-butadiene rubber.

[0026] As a further technical solution, the filler comprises one or more of light calcium carbonate, talcum powder and mica powder.

[0027] As a further technical solution, the base asphalt comprises one or more of 70# base asphalt, 90# base asphalt and 100# base asphalt.

[0028] As a further technical solution, the crosslinking agent comprises one or more of trimethoxysilane, aluminum isopropyl alcohol and acrylic acid.

[0029] As a further technical solution, the first tire base is an alkali-free glass fiber cloth, and the raw material of the second tire base is one or both of polyethylene terephthalate and polyethylene.

[0030] As a further technical solution, the thickness of the upper coiled material and the lower coiled material is independently 1.2-1.5 mm.

[0031] The application further provides a preparation method of the double-tire-base waterproof coiled material, comprising the following steps:

[0032] S1, applying the asphalt coating material on both sides of the first tire base to form the first self-adhesive asphalt layer I and the first self-adhesive asphalt layer II, and obtaining the upper coiled material;

[0033] S2, mixing 50-65 parts of base asphalt, 10-15 parts of SBS, 3-8 parts of SIS, 1-10 parts of SBR, 0.5-1 part of crosslinking agent, 10-15 parts of reinforcing agent and 20-30 parts of filler, and then applying the mixture on both sides of the second tire base to form the second self-adhesive asphalt layer I and the second self-adhesive asphalt layer II, and obtaining the lower coiled material;

[0034] S3, after the upper layer of the material and the lower layer of the material are compounded, the double tire base waterproof material is obtained by compaction.

[0035] As a further technical solution, in step S3, when the upper layer of the material and the lower layer of the material are compounded, one side of the adjacent sides of the upper layer of the material and the lower layer of the material is left out of the edge and is not compounded, and the other side is compounded, and the isolation film is arranged outside the edge, thereby obtaining the double tire base waterproof material with the snap-on lap joint.

[0036] As a further technical solution, the length of the edge is 8-10 cm.

[0037] The working principle and beneficial effects of the present application are as follows:

[0038] The present application provides a bitumen coating material, taking petroleum pitch as a base material, by adding a reinforcing material composed of calcium sulfate whiskers and a reinforcing aid, the joint peeling strength of the bitumen coating material is improved, and the bitumen coating material is applied to the waterproof material, thereby solving the problem of poor joint peeling strength of the waterproof material. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the present application will be clearly and completely described below in combination with the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are involved in the scope of protection of the present application.

[0040] In the following examples and comparative examples:

[0041] SBS, model: D1102 JSZ; SIS, model: YH-1209; SEBS, model: G1701; SBR, model: 1500E; butyl rubber, model: IIR1751; chloroprene rubber, model: SN232; 1130A64 HD9100 polyphenylene sulfide, melt viscosity (310℃, 1000s -1 ): 240 Pa·s; 6165A6 HD9100 polyphenylene sulfide, melt viscosity (310℃, 1000s -1 ): 345 Pa·s; calcium sulfate whisker, diameter 1-8 μm, length 30-200 μm; alkali-free glass fiber cloth, model: EWR600; light calcium carbonate, particle size: 500 mesh; bio-asphalt, specific gravity: 94 / 96, purchased from Hebei Richangsheng Chemical Co., Ltd.; high-density polyethylene tire base, thickness: 0.01 mm; polyethylene terephthalate tire base, thickness: 0.02 mm; polyethylene tire base, thickness: 0.03 mm.

[0042] Example 1

[0043] A preparation method of a double-tire-base waterproof roll material, comprising the following steps:

[0044] S1, 20 parts of 110# petroleum pitch, 5 parts of SBS, 5 parts of butyl rubber, 8 parts of polyphenylene sulfide 1130A64 HD9100, 5 parts of reinforcing material, 5 parts of bio-asphalt, 1 part of zinc methacrylate are mixed, and then coated on both sides of the alkali-free glass fiber cloth to form a first self-adhesive pitch layer I and a first self-adhesive pitch layer II, thereby obtaining an upper roll material with a thickness of 1.2 mm;

[0045] S2, 50 parts of 70# pitch, 10 parts of SBS, 3 parts of SIS, 1 part of SBR, 0.5 parts of trimethoxysilane, 20 parts of light calcium carbonate are mixed, and then coated on both sides of the high-density polyethylene tire base with a thickness of 0.01 mm to form a second self-adhesive pitch layer I and a second self-adhesive pitch layer II, thereby obtaining a lower roll material with a thickness of 1.2 mm;

[0046] S3, the upper roll material and the lower roll material are compounded, and then compacted to obtain a double-tire-base waterproof roll material;

[0047] A preparation method of a reinforcing material, comprising the following steps: 1.2g of 6-maleimide hexanoic acid is added to 400mL of methanol, 40g of calcium sulfate whiskers is added, heated to 35℃, stirred for 4h, and then dried to obtain the reinforcing material.

[0048] Example 2

[0049] A preparation method of a double-tire-base waterproof roll material, comprising the following steps:

[0050] S1, 40 parts of 150# petroleum pitch, 18 parts of SIS, 17 parts of chlorobutyl rubber, 9 parts of polyphenylene sulfide 1130A64 HD9100, 22 parts of reinforcing material, 27 parts of bio-asphalt, 1 part of zinc methacrylate are mixed, and then coated on both sides of the alkali-free glass fiber cloth to form a first self-adhesive pitch layer I and a first self-adhesive pitch layer II, thereby obtaining an upper roll material with a thickness of 1.2 mm;

[0051] S2, 57 parts of 90# pitch, 12 parts of SBS, 5 parts of SIS, 6 parts of SBR, 0.7 parts of isopropyl alcohol aluminum, 25 parts of talc are mixed, and then coated on both sides of the polyethylene terephthalate tire base with a thickness of 0.02 mm to form a second self-adhesive pitch layer I and a second self-adhesive pitch layer II, thereby obtaining a lower roll material with a thickness of 1.2 mm;

[0052] S3, the upper roll material and the lower roll material are compounded, and then compacted to obtain a double-tire-base waterproof roll material;

[0053] A method for preparing a reinforcing material, comprising the following steps: adding 1.6 g of 6-maleimide hexanoic acid into 400 mL of methanol, then adding 40 g of calcium sulfate whiskers, heating to 40 DEG C, stirring for 3 h, and then drying to obtain the reinforcing material.

[0054] Example 3

[0055] A method for preparing a double-tire-base waterproofing membrane, comprising the following steps:

[0056] S1, 70 parts of 200# petroleum asphalt, 30 parts of SEBS, 30 parts of butadiene styrene rubber, 11 parts of polyphenylene sulfide 1130A64HD9100, 40 parts of reinforcing material, 50 parts of bio-asphalt, and 2 parts of zinc methacrylate are mixed, and then coated on both sides of the alkali-free glass fiber cloth to form a first self-adhesive asphalt layer I and a first self-adhesive asphalt layer II, thereby obtaining an upper layer of the membrane with a thickness of 1.5 mm;

[0057] S2, 65 parts of 100# asphalt, 15 parts of SBS, 8 parts of SIS, 10 parts of SBR, 1 part of acrylic acid, and 30 parts of mica powder are mixed, and then coated on both sides of a polyethylene tire base with a thickness of 0.03 mm to form a second self-adhesive asphalt layer I and a second self-adhesive asphalt layer II, thereby obtaining a lower layer of the membrane with a thickness of 1.5 mm;

[0058] S3, the upper layer of the membrane and the lower layer of the membrane are compounded, and then compacted to obtain a double-tire-base waterproofing membrane;

[0059] A method for preparing a reinforcing material, comprising the following steps: adding 2 g of 6-maleimide hexanoic acid into 400 mL of methanol, then adding 40 g of calcium sulfate whiskers, heating to 45 DEG C, stirring for 2 h, and then drying to obtain the reinforcing material.

[0060] Example 4

[0061] The difference between this embodiment and Example 1 is only that the method for preparing the reinforcing material comprises the following steps: adding 0.6 g of 6-maleimide hexanoic acid and 0.6 g of aniline-2, 4-disulfonic acid into 400 mL of methanol, then adding 40 g of calcium sulfate whiskers, heating to 35 DEG C, stirring for 4 h, and then drying to obtain the reinforcing material.

[0062] Example 5

[0063] The difference between this embodiment and Example 4 is only that the amount of 6-maleimide hexanoic acid added is 1.08 g, and the amount of aniline-2, 4-disulfonic acid added is 0.12 g.

[0064] Example 6

[0065] This example differs from Example 4 only in that the amount of 6-maleimidocaproic acid added is 1.05 g and the amount of aniline-2,4-disulfonic acid added is 0.15 g.

[0066] Example 7

[0067] This example differs from Example 4 only in that the amount of 6-maleimidocaproic acid added is 0.84 g and the amount of aniline-2,4-disulfonic acid added is 0.36 g.

[0068] Example 8

[0069] This example differs from Example 1 only in that the polyphenylene sulfide 1130A64 HD9100 is replaced with an equal amount of polyphenylene sulfide 6165A6 HD9100.

[0070] Example 9

[0071] This example differs from Example 1 only in that the polyphenylene sulfide 1130A64 HD9100 is replaced with an equal amount of a mixture of polyphenylene sulfide 1130A64 HD9100 and polyphenylene sulfide 6165A6 HD9100 in a mass ratio of 1:1.

[0072] Example 10

[0073] This example differs from Example 9 only in that the mass ratio of polyphenylene sulfide 1130A64 HD9100 and polyphenylene sulfide 6165A6 HD9100 is 1:5.

[0074] Example 11

[0075] This example differs from Example 9 only in that the mass ratio of polyphenylene sulfide 1130A64 HD9100 and polyphenylene sulfide 6165A6 HD9100 is 2:3.

[0076] Example 12

[0077] This example differs from Example 9 only in that the mass ratio of polyphenylene sulfide 1130A64 HD9100 and polyphenylene sulfide 6165A6 HD9100 is 2:7.

[0078] Comparative Example 1

[0079] This comparative example differs from Example 1 only in that the reinforcing material is replaced with an equal amount of calcium sulfate whiskers.

[0080] Experimental Example 1

[0081] The upper layer of the double-ply waterproofing membrane prepared in Examples 1-7 and Comparative Example 1 was tested for the seam peel strength according to the method in GB / T 328.20-2007 "Test Methods for Building Waterproofing Materials - Part 20: Asphalt Waterproofing Materials - Seam Peel Performance", and the test results are shown in Table 1.

[0082] Table 1 Test results of the seam peel strength of the double-ply waterproofing membrane

[0083]

[0084] Compared with Comparative Example 1, the seam peel strength of the upper layer of the double-ply waterproofing membrane prepared in Examples 1-7 is higher than that of Comparative Example 1, which indicates that the addition of the reinforcing material composed of calcium sulfate whiskers and the reinforcing aid in the asphalt coating can improve the seam peel strength of the double-ply waterproofing membrane.

[0085] Experimental Example 2

[0086] The heat resistance of the upper layer of the double-ply waterproofing membrane prepared in Examples 1, 8-12 was tested according to the test method in GB 18242-2008 "Elastomer Modified Asphalt Waterproofing Materials", and the test results are shown in Table 2.

[0087] Table 2 Test results of the heat resistance of the double-ply waterproofing membrane

[0088]

[0089] Compared with Examples 1, 8-10, the heat resistance of the upper layer of the double-ply waterproofing membrane prepared in Examples 11-12 is higher than that of Examples 1, 8-10, which indicates that the addition of polyphenylene sulfide with different melt viscosities in the upper layer, and the limitation of the mass ratio of polyphenylene sulfide 1130A64 HD9100 and polyphenylene sulfide 6165A6 HD9100 to 2:3-7 can improve the heat resistance of the double-ply waterproofing membrane.

[0090] Experimental Example 3

[0091] The upper layer of the double-ply waterproofing membrane prepared in Example 1 was tested for the tensile force, impermeability, low-temperature flexibility, and oil permeability according to the method in GB 18242-2008 "Elastomer Modified Asphalt Waterproofing Materials", and the test results are shown in Table 3.

[0092] Table 3 Test results of the properties of the upper layer of the double-ply waterproofing membrane

[0093]

[0094] As can be seen from Table 3, the double-ply waterproofing membrane prepared in the present application has good tensile force, impermeability, low-temperature flexibility, and oil permeability, and meets the use standards.

[0095] The above merely provides the preferred embodiments of the application, and is not intended to limit the application. Any modification, equivalent replacement, improvement, and the like made within the spirit and principle of the application shall fall within the protection scope of the application.

Claims

1. An asphaltic coating material, characterized in that, The raw material comprises the following components by weight: petroleum pitch 20-70 parts, toughening agent 5-30 parts, rubber 5-30 parts, polyphenylene sulfide 8-11 parts, reinforcing material 5-40 parts, bio-asphalt 5-50 parts, zinc methacrylate 1-2 parts; the raw material of the reinforcing material comprises calcium sulfate whisker and reinforcing aid, the reinforcing aid comprises 6-maleimide hexanoic acid; The reinforcing aid further comprises aniline-2, 4-disulfonic acid; The mass ratio of the 6-maleimide hexanoic acid and the aniline-2, 4-disulfonic acid is 7:1-3.

2. An asphaltic coating material according to claim 1, characterised in that, The addition amount of the reinforcing aid is 3%-5% of the mass of the calcium sulfate whisker.

3. An asphaltic coating material according to claim 1, characterised in that The polyphenylene sulfide is composed of a first polyphenylene sulfide and a second polyphenylene sulfide, and the melt viscosities of the first polyphenylene sulfide and the second polyphenylene sulfide are different.

4. An asphaltic coating material according to claim 3, characterised in that, said first polyphenylene sulfide has a melt viscosity of 240 Pa-s at 310°C, 1000 s -1 said second polyphenylene sulfide has a melt viscosity of 345 Pa-s at 310°C, 1000 s -1 ​ 5. An asphaltic coating material according to claim 3, characterised in that, The mass ratio of the first polyphenylene sulfide and the second polyphenylene sulfide is 2:3-7.

6. The method of claim 1 to 5, wherein the asphalt coating material is prepared by adding 0.1 to 10 parts by weight of the compound of claim 1 to 5 to 100 parts by weight of the asphalt. The method comprises the following steps: The petroleum pitch 20-70 parts, the toughening agent 5-30 parts, the rubber 5-30 parts, the polyphenylene sulfide 8-11 parts, the reinforcing material 5-40 parts, the bio-asphalt 5-50 parts, and the zinc methacrylate 1-2 parts are mixed to obtain asphalt coating material.

7. A bituminous waterproofing membrane of dual tire base characterized in that, From top to bottom, the upper layer coiled material and the lower layer coiled material are sequentially arranged, the upper layer coiled material comprises, from top to bottom, a first self-adhesive asphalt layer I, a first tire base, and a first self-adhesive asphalt layer II, and the lower layer coiled material comprises, from top to bottom, a second self-adhesive asphalt layer I, a second tire base, and a second self-adhesive asphalt layer II; the raw material of the first self-adhesive asphalt layer I and the raw material of the first self-adhesive asphalt layer II each independently comprise the asphalt coating material in any one of claims 1-5.

8. The bituminous waterproofing membrane according to claim 7, characterized in that, The raw material of the second self-adhesive asphalt layer I and the raw material of the second self-adhesive asphalt layer II each independently comprise the following components by weight: base pitch 50-65 parts, SBS 10-15 parts, SIS 3-8 parts, SBR 1-10 parts, crosslinking agent 0.5-1 part, and filler 20-30 parts.

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