CN104531005A - Bonding resin for steel strip reinforced polyethylene pipe for underground drainage - Google Patents
Bonding resin for steel strip reinforced polyethylene pipe for underground drainage Download PDFInfo
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- CN104531005A CN104531005A CN201410815133.4A CN201410815133A CN104531005A CN 104531005 A CN104531005 A CN 104531005A CN 201410815133 A CN201410815133 A CN 201410815133A CN 104531005 A CN104531005 A CN 104531005A
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- binding resin
- steel band
- polyethylene
- maleic anhydride
- band enhanced
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Abstract
The invention discloses a bonding resin for a steel strip reinforced polyethylene pipe for underground drainage, which comprises the following components in parts by weight: 60-80 parts of base resin, 20-40 parts of maleic anhydride graft, 0.05-3 parts of plasticizer, 0.05-3 parts of antioxidant and 0.05-3 parts of ultraviolet absorbent. The bonding resin disclosed by the invention is a composition containing multiple components; the bonding resin formed by combined action of the components is excellent in processability and easy to mold and control; in the application to a steel strip reinforced polyethylene pipe for underground drainage, the bonding strength of the bonding resin is obviously superior to that of the bonding resin in the prior art; and the bonding resin has favorable bonding property for the polyethylene pipe and the steel strip, and can meet the requirements for use on the steel strip reinforced polyethylene pipe for underground drainage.
Description
Technical field
The present invention relates to a kind of binding resin, be specifically related to the effective binding resin of a kind of buried draining steel pipe enhanced polyethylene.
Background technology
Buried draining steel band enhanced polyethylene pipe is with polyvinyl resin, steel band, binding resin for main raw material, through the special buried draining blowdown plastic construction wall pipeline extruded winding shaping process and process.It is generally take high density polyethylene(HDPE) as matrix, with the steel belt molding of surface application binding resin be waveform as main support structure, and be wound around with polythene material and be combined into overall double-walled helical corrugation pipe.It is applicable to medium long-term temperature and is not more than 45 DEG C; Buried plastics pipe road will design by the theory of metal hose.Meanwhile, under design point, the change of pipeline vertical direction must not be greater than 5% of pipe diameter.The selection of pipe ring stiffness is an important indicator of plastic conduit design, therefore should from buried depth of pipeline, ground.Binding resin in buried draining steel band enhanced polyethylene pipe should all have good adhesive property with polyethylene and steel band, can meet and extrude coating requirement.Binding resin huge number of the prior art, but not for the technical scheme that the effective binding resin of buried draining steel band enhanced polyethylene is relevant, and most binding resin just under the working conditions that room temperature is softer without external force etc. cohesive strength meet service requirements, have use under hydrodynamicpressure and the higher condition of use temperature time, the intensity of binding resin will decline, and cannot meet the service requirements of buried draining steel band enhanced polyethylene pipe.
Summary of the invention
The object of the present invention is to provide a kind of binding resin, for overcoming the shortcoming that in prior art, buried draining steel band enhanced polyethylene effective binding resin cohesive strength is lower.
A further object of the present invention is to provide a kind of preparation method of binding resin as described above.
A further object of the present invention is to provide the application of a kind of above-mentioned binding resin on buried draining steel band enhanced polyethylene pipe.
For achieving the above object, the present invention takes following concrete technical scheme to realize:
The effective binding resin of a kind of buried draining steel band enhanced polyethylene, described binding resin comprises following feed composition and weight part:
Preferably, described basic resin is 65 ~ 75 parts.
Preferably, described maleic anhydride grafts is 25 ~ 35 parts.
Preferably, described basic resin is selected from one or more in HDPE, LDPE and LLDPE.
Preferably, described basic resin is at 190 DEG C, and the melting index under 2.16kg is 2.0 ~ 3.0g/10min.
Preferably, described maleic anhydride grafts is maleic anhydride grafted polyethylene.
Preferably, described toxilic acid steel grafted polyethylene is at 190 DEG C, and the melting index under 2.16kg is 1.5 ~ 2.5g/10min, and in the total mass of maleic anhydride grafted polyethylene, the content of described maleic anhydride is 20 ~ 40wt%.
Preferably, described softening agent is phthalic ester plasticizer.
Preferably, described oxidation inhibitor is selected from one or more in antioxidant 1010, irgasfos 168 and antioxidant 1076.
Preferably, described UV light absorber is selected from UV531 or UV622.
The invention also discloses the preparation method of the effective binding resin of buried draining steel band enhanced polyethylene described above, comprise the following steps:
1) according to each feed composition weight part, each feed composition is added in high-speed mixer and mixes;
2) use twin screw extruder extruding pelletization, the extrusion temperature of twin screw 190 ~ 220 DEG C, feeding rotating speed is 20 ~ 30rpm.
The invention also discloses the application of binding resin on buried draining steel band enhanced polyethylene pipe of a kind of binding resin as described above and described preparation method acquisition.
In the present invention, the excellent effect of binding resin is: binding resin disclosed in the present invention is the composition of various ingredients, the processing characteristics of the binding resin that these composition actings in conjunction are formed is excellent, be easy to shaping and control, simultaneously when being applied on buried draining steel band enhanced polyethylene pipe, its cohesive strength is significantly better than binding resin of the prior art, it all has good adhesive property to polyethylene tube and steel band, can meet the user demand on buried draining steel band enhanced polyethylene pipe.
Binding resin in the present invention overcomes many disadvantages of the prior art and creative.
Embodiment
By particular specific embodiment, embodiments of the present invention are described below, person skilled in the art scholar the content disclosed by this specification sheets can understand other advantages of the present invention and effect easily.
Embodiment 1
The weight part of each feed composition of binding resin described in the present embodiment is as follows:
Particularly, described high density polyethylene(HDPE) is at 190 DEG C, and the melting index under 2.16kg is 2.0 ~ 3.0g/10min.
Particularly, described maleic anhydride grafts is maleic anhydride grafted polyethylene.
Particularly, described toxilic acid steel grafted polyethylene is at 190 DEG C, and the melting index under 2.16kg is 1.5 ~ 2.5g/10min, and in the total mass of maleic anhydride grafted polyethylene, the content of described maleic anhydride is 20 ~ 40wt%.
Particularly, described softening agent is phthalic ester plasticizer.
Particularly, described oxidation inhibitor is selected from antioxidant 1010.
Particularly, described UV light absorber is UV531.
The invention also discloses the preparation method of the effective binding resin of buried draining steel band enhanced polyethylene described above, comprise the following steps:
1) according to each feed composition weight part, each feed composition is added in high-speed mixer and mixes;
2) use twin screw extruder extruding pelletization, the extrusion temperature of twin screw 200 ~ 210 DEG C, feeding rotating speed is 25rpm.
Embodiment 2
The weight part of each feed composition of binding resin described in the present embodiment is as follows:
Particularly, described high density polyethylene(HDPE) is at 190 DEG C, and the melting index under 2.16kg is 2.0 ~ 3.0g/10min.
Particularly, described linear low density polyethylene is at 190 DEG C, and the melting index under 2.16kg is 2.0 ~ 3.0g/10min.
Particularly, described maleic anhydride grafts is maleic anhydride grafted polyethylene.
Particularly, described toxilic acid steel grafted polyethylene is at 190 DEG C, and the melting index under 2.16kg is 1.5 ~ 2.5g/10min, and in the total mass of maleic anhydride grafted polyethylene, the content of described maleic anhydride is 20 ~ 40wt%.
Particularly, described softening agent is phthalic ester plasticizer.
Particularly, described oxidation inhibitor is selected from antioxidant 1010.
Particularly, described UV light absorber is UV622.
The invention also discloses the preparation method of the effective binding resin of buried draining steel band enhanced polyethylene described above, comprise the following steps:
1) according to each feed composition weight part, each feed composition is added in high-speed mixer and mixes;
2) use twin screw extruder extruding pelletization, the extrusion temperature of twin screw 190 ~ 200 DEG C, feeding rotating speed is 20rpm.
Embodiment 3
The weight part of each feed composition of binding resin described in the present embodiment is as follows:
Particularly, described high density polyethylene(HDPE) is at 190 DEG C, and the melting index under 2.16kg is 2.0 ~ 3.0g/10min.
Particularly, described linear low density polyethylene is at 190 DEG C, and the melting index under 2.16kg is 2.0 ~ 3.0g/10min.
Particularly, described Low Density Polyethylene is at 190 DEG C, and the melting index under 2.16kg is 2.0 ~ 3.0g/10min.
Particularly, described maleic anhydride grafts is maleic anhydride grafted polyethylene.
Particularly, described toxilic acid steel grafted polyethylene is at 190 DEG C, and the melting index under 2.16kg is 1.5 ~ 2.5g/10min, and in the total mass of maleic anhydride grafted polyethylene, the content of described maleic anhydride is 20 ~ 40wt%.
Particularly, described softening agent is phthalic ester plasticizer.
Particularly, described oxidation inhibitor is selected from antioxidant 1010.
Particularly, described UV light absorber is UV531.
The invention also discloses the preparation method of the effective binding resin of buried draining steel band enhanced polyethylene described above, comprise the following steps:
1) according to each feed composition weight part, each feed composition is added in high-speed mixer and mixes;
2) use twin screw extruder extruding pelletization, the extrusion temperature of twin screw 190 ~ 200 DEG C, feeding rotating speed is 20rpm.
Embodiment 4
The weight part of each feed composition of binding resin described in the present embodiment is as follows:
Particularly, described high density polyethylene(HDPE) is at 190 DEG C, and the melting index under 2.16kg is 2.0 ~ 3.0g/10min.
Particularly, described maleic anhydride grafts is maleic anhydride grafted polyethylene.
Particularly, described toxilic acid steel grafted polyethylene is at 190 DEG C, and the melting index under 2.16kg is 1.5 ~ 2.5g/10min, and in the total mass of maleic anhydride grafted polyethylene, the content of described maleic anhydride is 20 ~ 40wt%.
Particularly, described softening agent is phthalic ester plasticizer.
Particularly, described oxidation inhibitor is selected from irgasfos 168.
Particularly, described UV light absorber is UV622.
The invention also discloses the preparation method of the effective binding resin of buried draining steel band enhanced polyethylene described above, comprise the following steps:
1) according to each feed composition weight part, each feed composition is added in high-speed mixer and mixes;
2) use twin screw extruder extruding pelletization, the extrusion temperature of twin screw 210 ~ 220 DEG C, feeding rotating speed is 30rpm.
Embodiment 5
The weight part of each feed composition of binding resin described in the present embodiment is as follows:
Particularly, described high density polyethylene(HDPE) is at 190 DEG C, and the melting index under 2.16kg is 2.0 ~ 3.0g/10min.
Particularly, described maleic anhydride grafts is maleic anhydride grafted polyethylene.
Particularly, described toxilic acid steel grafted polyethylene is at 190 DEG C, and the melting index under 2.16kg is 1.5 ~ 2.5g/10min, and in the total mass of maleic anhydride grafted polyethylene, the content of described maleic anhydride is 20 ~ 40wt%.
Particularly, described softening agent is phthalic ester plasticizer.
Particularly, described oxidation inhibitor is selected from irgasfos 168.
Particularly, described UV light absorber is UV622.
The invention also discloses the preparation method of the effective binding resin of buried draining steel band enhanced polyethylene described above, comprise the following steps:
1) according to each feed composition weight part, each feed composition is added in high-speed mixer and mixes;
2) use twin screw extruder extruding pelletization, the extrusion temperature of twin screw 200 ~ 210 DEG C, feeding rotating speed is 20rpm.
Embodiment 6
The weight part of each feed composition of binding resin described in the present embodiment is as follows:
Particularly, described high density polyethylene(HDPE) is at 190 DEG C, and the melting index under 2.16kg is 2.0 ~ 3.0g/10min.
Particularly, described maleic anhydride grafts is maleic anhydride grafted polyethylene.
Particularly, described toxilic acid steel grafted polyethylene is at 190 DEG C, and the melting index under 2.16kg is 1.5 ~ 2.5g/10min, and in the total mass of maleic anhydride grafted polyethylene, the content of described maleic anhydride is 20 ~ 40wt%.
Particularly, described softening agent is phthalic ester plasticizer.
Particularly, described oxidation inhibitor is selected from antioxidant 1076.
Particularly, described UV light absorber is UV622.
The invention also discloses the preparation method of the effective binding resin of buried draining steel band enhanced polyethylene described above, comprise the following steps:
1) according to each feed composition weight part, each feed composition is added in high-speed mixer and mixes;
2) use twin screw extruder extruding pelletization, the extrusion temperature of twin screw 190 ~ 200 DEG C, feeding rotating speed is 23rpm.
Embodiment 6
The weight part of each feed composition of binding resin described in the present embodiment is as follows:
Particularly, described high density polyethylene(HDPE) is at 190 DEG C, and the melting index under 2.16kg is 2.0 ~ 3.0g/10min.
Particularly, described maleic anhydride grafts is maleic anhydride grafted polyethylene.
Particularly, described toxilic acid steel grafted polyethylene is at 190 DEG C, and the melting index under 2.16kg is 1.5 ~ 2.5g/10min, and in the total mass of maleic anhydride grafted polyethylene, the content of described maleic anhydride is 20 ~ 40wt%.
Particularly, described softening agent is phthalic ester plasticizer.
Particularly, described oxidation inhibitor is selected from antioxidant 1076.
Particularly, described UV light absorber is UV622.
The invention also discloses the preparation method of the effective binding resin of buried draining steel band enhanced polyethylene described above, comprise the following steps:
1) according to each feed composition weight part, each feed composition is added in high-speed mixer and mixes;
2) use twin screw extruder extruding pelletization, the extrusion temperature of twin screw 190 ~ 200 DEG C, feeding rotating speed is 23rpm.
Embodiment 7
The weight part of each feed composition of binding resin described in the present embodiment is as follows:
Particularly, described high density polyethylene(HDPE) is at 190 DEG C, and the melting index under 2.16kg is 2.0 ~ 3.0g/10min.
Particularly, described maleic anhydride grafts is maleic anhydride grafted polyethylene.
Particularly, described toxilic acid steel grafted polyethylene is at 190 DEG C, and the melting index under 2.16kg is 1.5 ~ 2.5g/10min, and in the total mass of maleic anhydride grafted polyethylene, the content of described maleic anhydride is 20 ~ 40wt%.
Particularly, described softening agent is phthalic ester plasticizer.
Particularly, described oxidation inhibitor is selected from irgasfos 168.
Particularly, described UV light absorber is UV531.
The invention also discloses the preparation method of the effective binding resin of buried draining steel band enhanced polyethylene described above, comprise the following steps:
1) according to each feed composition weight part, each feed composition is added in high-speed mixer and mixes;
2) use twin screw extruder extruding pelletization, the extrusion temperature of twin screw 190 ~ 200 DEG C, feeding rotating speed is 29rpm.
Binding resin in embodiment 1 ~ 7 is extruded acquisition pipe material by multi-layer co-extruded technique with PE tubing together with steel band, and extrusion temperature is 190 ~ 200 DEG C, then tests its performance.
Concrete test result is as shown in table 1, and wherein, in table 1, the testing method of stripping strength is with reference to GJB446 standard;
The testing method of elongation at break is with reference to GB/T 1040 standard; The testing method of impelling strength is with reference to GB/T 11548 standard; The testing method of tensile strength is with reference to GB/T 1040 standard.
Table 1
The cohesive strength of embodiment significantly exceeds the binding resin of prior art as can be seen from Table 1, and existing binding resin general range is between 120 ~ 150N/25mm.And its other performances are still excellent, in the present invention, binding resin has good comprehensive use properties.Meanwhile, the binding resin obtained in the embodiment of the present invention 1 ~ 7 is at 190 DEG C, and the melting index under 2.16kg is 2.3 ~ 4.1g/10min, and it has good melt processability, makes preparation and fabrication technique be easy to control.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (10)
1. the effective binding resin of buried draining steel band enhanced polyethylene, it is characterized in that, described binding resin comprises following feed composition and weight part:
2. the effective binding resin of buried draining steel band enhanced polyethylene as claimed in claim 1, it is characterized in that, described basic resin is selected from one or more in HDPE, LDPE and LLDPE.
3. the effective binding resin of buried draining steel band enhanced polyethylene as claimed in claim 1, it is characterized in that, described basic resin is at 190 DEG C, and the melting index under 2.16kg is 2.5 ~ 3.5g/10min.
4. the effective binding resin of buried draining steel band enhanced polyethylene as claimed in claim 1, it is characterized in that, described maleic anhydride grafts is maleic anhydride grafted polyethylene.
5. the effective binding resin of buried draining steel band enhanced polyethylene as claimed in claim 4, it is characterized in that, described toxilic acid steel grafted polyethylene is at 190 DEG C, melting index under 2.16kg is 2.3 ~ 3.6g/10min, in the total mass of maleic anhydride grafted polyethylene, the content of described maleic anhydride is 20 ~ 40wt%.
6. the effective binding resin of buried draining steel band enhanced polyethylene as claimed in claim 1, it is characterized in that, described softening agent is phthalic ester plasticizer.
7. the effective binding resin of buried draining steel band enhanced polyethylene as claimed in claim 1, it is characterized in that, described oxidation inhibitor is selected from one or more in antioxidant 1010, irgasfos 168 and antioxidant 1076.
8. the effective binding resin of buried draining steel band enhanced polyethylene as claimed in claim 1, it is characterized in that, described UV light absorber is selected from UV531 or UV622.
9. the preparation method of the effective binding resin of buried draining steel band enhanced polyethylene as described in as arbitrary in claim 1 ~ 8, comprises the following steps:
1) according to each feed composition weight part, feed composition is joined in high-speed mixer and mixes;
2) use twin screw extruder extruding pelletization, the extrusion temperature of twin screw 180 ~ 220 DEG C, feeding rotating speed is 20 ~ 28rpm.
10. the application of binding resin on buried draining steel band enhanced polyethylene pipe that as described in binding resin as described in as arbitrary in claim 1 ~ 8 and claim 9, preparation method obtains.
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CN105349073A (en) * | 2015-12-08 | 2016-02-24 | 河北金天塑胶新材料有限公司 | Hot melt adhesive used for winding plastic steel around water drain pipe and preparing method thereof |
CN106349976A (en) * | 2016-09-12 | 2017-01-25 | 广州鹿山新材料股份有限公司 | Adhesive resin for steel-mesh reinforcing polyethylene hot water pipe and preparation method of adhesive resin |
WO2017118173A1 (en) * | 2016-01-06 | 2017-07-13 | 福州大学 | Formaldehyde-free adhesive and method for preparing same |
CN107043482A (en) * | 2016-11-18 | 2017-08-15 | 安徽伊法拉电气有限公司 | Transformer shield material and preparation method thereof |
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CN105349073A (en) * | 2015-12-08 | 2016-02-24 | 河北金天塑胶新材料有限公司 | Hot melt adhesive used for winding plastic steel around water drain pipe and preparing method thereof |
WO2017118173A1 (en) * | 2016-01-06 | 2017-07-13 | 福州大学 | Formaldehyde-free adhesive and method for preparing same |
CN106349976A (en) * | 2016-09-12 | 2017-01-25 | 广州鹿山新材料股份有限公司 | Adhesive resin for steel-mesh reinforcing polyethylene hot water pipe and preparation method of adhesive resin |
CN107043482A (en) * | 2016-11-18 | 2017-08-15 | 安徽伊法拉电气有限公司 | Transformer shield material and preparation method thereof |
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