CN115418798A - Polyester tire base fabric based on multilayer laying net and preparation method thereof - Google Patents
Polyester tire base fabric based on multilayer laying net and preparation method thereof Download PDFInfo
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- CN115418798A CN115418798A CN202211231510.0A CN202211231510A CN115418798A CN 115418798 A CN115418798 A CN 115418798A CN 202211231510 A CN202211231510 A CN 202211231510A CN 115418798 A CN115418798 A CN 115418798A
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- base fabric
- tire base
- tire
- needling
- polyester
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Classifications
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/005—Synthetic yarns or filaments
- D04H3/009—Condensation or reaction polymers
- D04H3/011—Polyesters
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
- D04H3/04—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments in rectilinear paths, e.g. crossing at right angles
- D04H3/045—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments in rectilinear paths, e.g. crossing at right angles for net manufacturing
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/10—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically
- D04H3/105—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically by needling
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/12—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with filaments or yarns secured together by chemical or thermo-activatable bonding agents, e.g. adhesives, applied or incorporated in liquid or solid form
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/14—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
Abstract
The invention discloses polyester tire base cloth based on a multilayer laying net and a preparation method thereof, and belongs to the technical field of waterproof materials. The invention provides a method for preparing polyester tire base cloth, which comprises a pre-spinning step, a compounding step and a shaping step, wherein the pre-spinning step is used for preparing single-tire grey cloth by using a laying net woven by fiber yarns with the fineness of 0.5-5 dtex, the compounding step is used for compounding at least two layers of single-tire grey cloth in a hot pressing way to prepare composite tire grey cloth, and the shaping step is used for preparing a tire base cloth finished product with the thickness not more than 1mm by performing hot molding, gum dipping, drying, cutting and curling on the tire grey cloth. The base fabric finished product prepared by the method has good tensile strength and extensibility, is lower in thickness, can improve the reserved space of the thickness of the asphalt coating layer on the lower surface to a certain degree, solves the problem of low thickness of the asphalt coating layer on the lower surface, and improves the stability of the asphalt waterproof coiled material product.
Description
Technical Field
The invention belongs to the technical field of waterproof materials, and particularly relates to polyester tire base cloth based on a multilayer laying net and a preparation method thereof.
Background
The polyester tire base cloth is used as a supporting material in the production of the modified asphalt waterproof coiled material, has important influence on the formation of the performance of the finished asphalt waterproof coiled material, and is particularly suitable for producing a standard asphalt waterproof coiled material product due to good extensibility of long fiber tire base cloth.
At present, the production process of the conventional polyester tire base fabric mainly comprises two steps of pre-spinning and shaping. The pre-spinning adopts a spunbonding method, fiber-grade polyester chips (PET) are melted and extruded at high temperature, the extruded PET passes through a spinneret plate and is driven by high-speed airflow to be instantly cooled to form filaments, the filaments are uniformly arranged and delivered to lapping equipment by a filament arranging plate according to the arrangement direction of the filaments, a lapping machine drives a tiled fiber net to form a tire blank fabric through pre-needling and needling processes, and the tire blank fabric is subjected to thermoplastic molding, gum dipping, drying, cutting and curling to form a tire base fabric finished product.
The thickness of the polyester tire base fabric is in a linear relationship with the chemical glue content immersed in the dipping step to a certain extent, and the thickness of the polyester tire base fabric is controlled within a certain range in order to ensure that the chemical glue content can meet the production requirement. Taking 200g of polyester tire (national standard type I) as an example, the thickness of the tire is about 1.10-1.20 mm;250 g of base fabric (national standard II type) with the thickness of 1.25-1.45 mm. The thickness can not only keep the basic requirement on the thickness of the base fabric, but also ensure that the chemical adhesive can reach the proper relative content to ensure the performance of the base fabric, and is adaptive to the thickness (more than or equal to 3 mm) of most asphalt waterproof coiled material products.
However, the thickness control device of the asphalt waterproof coiled material product adopted at the present stage is in a compression roller extrusion control mode, the upper and lower compression rollers have no control on the position of the polyester tire base cloth, and the thickness of the asphalt coating layer is greatly influenced when the tire base cloth moves up and down, so that the thickness control of the asphalt coating layer on the lower surface is very uneven. In this case, if the reserved space for the thickness of the asphalt road cover layer on the lower surface is insufficient, the thickness of the asphalt road cover layer on the lower surface is easily reduced, and during SBS hot-melting construction, the asphalt road cover layer on the lower surface is easily melted through, and even the asphalt road cover layer on the upper surface is melted through after the tire base layer is burned, so that a good waterproof effect cannot be achieved.
Properly reduce the thickness of polyester child base cloth, can improve the headspace of lower surface pitch way cap coat thickness to a certain extent, solve the problem that lower surface pitch coats the cap coat thickness and on the low side, increase the stability of pitch waterproofing membrane product. Therefore, it is highly desirable to find a method for preparing a polyester base fabric, which can reduce the thickness of the base fabric without affecting the performance of the base fabric.
Disclosure of Invention
In order to solve the above problems, the present invention provides a method for preparing a polyester tire base fabric, comprising the steps of:
pre-spinning: after melting and extruding the fiber-grade polyester chips, carrying out high-pressure spinning by a spinneret plate to form a fiber yarn with the fiber number of 0.5-5 dtex; dividing the fiber yarn into two bundles, wherein one bundle is longitudinally arranged, the other bundle is transversely arranged, and the two bundles are swung to a lapping machine for lapping by a yarn swinging plate according to the arrangement direction of the fiber yarn, so as to form a lapping net; carrying out pre-needling and main needling on the laying net to enable the longitudinally arranged and transversely arranged fiber yarns to be mutually interpenetrated to form single-blank grey cloth;
compounding: at least two layers of single-tire grey cloth are compounded through hot pressing to form a compound-tire grey cloth;
shaping: performing thermoplastic molding, gum dipping, drying, cutting and curling on the composite tire grey cloth to form a tire base cloth finished product with the thickness not more than 1mm.
In one embodiment of the invention, the fiber has a fineness of 1.5 to 3dtex.
In one embodiment of the invention, the needling density of the pre-needled needling board is 3000-5000 needles/m, the needling frequency is 1000-1500 times/min, and the equipment stroke is 30-50 mm.
In one embodiment of the invention, the needle density of the needling board of the main needling is 2500-4500 pieces/m, the needling frequency is 950-1450 times/min, and the equipment stroke is 20-40 mm.
In one embodiment of the invention, the pre-needling has a needle density of 35-50 needles/cm 2 。
In one embodiment of the invention, the receiving density of the main needling is 25-40 needles/cm 2 。
In one embodiment of the present invention, the thermoplastic type is: heating the composite green tire cloth to 180-200 ℃, and hot rolling at 180-200 ℃ until the thickness is not more than 1mm.
In one embodiment of the present invention, the impregnation is: and (3) immersing the thermoplastic composite tire grey fabric into the glue solution, taking out and extruding to remove the redundant glue solution.
In one embodiment of the invention, the glue solution comprises a starch solution and a chemical glue.
The invention also provides polyester tire base cloth based on the multilayer laying net, and the polyester tire base cloth is prepared by the method for preparing the polyester tire base cloth.
The technical scheme of the invention has the following advantages:
the invention provides a method for preparing polyester tire base cloth, which comprises a pre-spinning step, a compounding step and a shaping step, wherein the pre-spinning step is used for preparing single-tire grey cloth by using a laying net woven by fiber yarns with the fineness of 0.5-5 dtex, the compounding step is used for compounding at least two layers of single-tire grey cloth in a hot pressing way to prepare composite tire grey cloth, and the shaping step is used for preparing a tire base cloth finished product with the thickness not more than 1mm by performing hot molding, gum dipping, drying, cutting and curling on the tire grey cloth. The finished base fabric product prepared by the method has good tensile strength and extensibility, is lower in thickness, can improve the reserved space of the thickness of the asphalt coating layer on the lower surface to a certain extent, solves the problem that the thickness of the asphalt coating layer on the lower surface is lower, and improves the stability of an asphalt waterproof coiled material product.
Detailed Description
The following examples are provided to better understand the present invention, not to limit the best mode, and not to limit the content and protection scope of the present invention, and any product that is the same or similar to the present invention and is obtained by combining the present invention with other features of the prior art and the present invention falls within the protection scope of the present invention.
The examples do not show the specific experimental steps or conditions, and can be performed according to the conventional experimental steps described in the literature in the field. The reagents or instruments used are not indicated by manufacturers, and are all conventional reagent products which can be obtained commercially.
Example 1: polyester tire base fabric and preparation method thereof
The embodiment provides a polyester tire base fabric, and the preparation method of the polyester tire base fabric comprises the following steps:
pre-spinning: melting and extruding fiber grade polyester chips (PET, purchased from petrochemical industry Co., ltd.) and performing high-pressure spinning by a spinneret plate to form fiber filaments with the titer of 1.5 dtex; dividing the fiber yarn into two bundles, wherein one bundle is longitudinally arranged, the other bundle is transversely arranged, and the two bundles are swung to a lapping machine for lapping by a yarn swinging plate according to the arrangement direction of the fiber yarn, so as to form a lapping net; carrying out pre-needling and main needling on the laying net to enable the longitudinally arranged and transversely arranged fiber yarns to be mutually interpenetrated to form single-blank grey cloth; the needle density of the pre-needled needling board is 4000 per meter, the needling frequency is 1200 times per minute, and the equipment stroke is 45mm; the needle density of the needling board of the main needling is 3500 pieces/m, the needling frequency is 1150 times/min, and the equipment stroke is 35mm; the needle receiving density of the pre-needling is 40 needles/cm 2 (ii) a The needle receiving density of the main needling is 35 needles/cm 2 ；
Compounding: carrying out hot-pressing compounding on the three layers of single-tire grey cloth to form a composite-tire grey cloth;
shaping: performing thermoplastic molding, gum dipping, drying, cutting and curling on the composite tire grey cloth to form a tire base cloth finished product with the thickness of 1mm; the thermoplastic type is as follows: heating the composite green tire cloth to 180 ℃, and then hot rolling at 180 ℃ until the thickness is 1mm; the gum dipping is as follows: and (3) immersing the thermoplastic composite tire grey fabric into the glue solution, taking out and extruding to remove the redundant glue solution.
Example 2: polyester tire base fabric and preparation method thereof
The embodiment provides a polyester tire base fabric, and the preparation method of the polyester tire base fabric comprises the following steps:
pre-spinning: melting and extruding fiber grade polyester chips (PET, purchased from petrochemical industry Co., ltd.) and high-pressure spinning by a spinneret plate to form fiber filaments with the titer of 3.0 dtex; dividing the fiber yarn into two bundles, wherein one bundle is arranged longitudinally, the other bundle is arranged transversely, and the fiber yarn is sent to a lapping machine for lapping through a yarn swinging plate according to the arrangement direction of the fiber yarn, so as to form a lapping net; carrying out pre-needling and main needling on the laid net to enable longitudinally arranged fibers and transversely arranged fibers to be mutually inserted to form single-blank grey cloth; the needle density of the pre-needled needling board is 4000/m, the needling frequency is 1200 times/min, and the equipment stroke is 45mm; the needle density of the needling board of the main needling is 3500 pieces/m, the needling frequency is 1150 times/min, and the equipment stroke is 35mm; the needle receiving density of the pre-needling is 40 needles/cm 2 (ii) a The needle receiving density of the main needling is 35 needles/cm 2 ；
Compounding: carrying out hot-pressing compounding on the two layers of single-tire grey cloth to form a compound-tire grey cloth;
shaping: performing thermoplastic molding, gum dipping, drying, cutting and curling on the composite tire grey cloth to form a tire base cloth finished product with the thickness of 1mm; the thermoplastic type is as follows: heating the composite green tire cloth to 180 ℃, and then hot rolling at 180 ℃ until the thickness is 1mm; the gum dipping is as follows: and (3) immersing the thermoplastic composite blank into the glue solution, taking out and extruding, and removing the redundant glue solution.
Comparative example 1: polyester tire base fabric and preparation method thereof
The comparative example provides a polyester tire base fabric, the preparation method of which comprises the following steps:
pre-spinning: melt-extruding fiber-grade polyester chip (PET, available from petrochemical Co., ltd.) and high-pressure spinning via spinneret to obtain the final productForming the fiber yarn with the fineness of 6.5 dtex; dividing the fiber yarn into two bundles, wherein one bundle is arranged longitudinally, the other bundle is arranged transversely, and the fiber yarn is sent to a lapping machine for lapping through a yarn swinging plate according to the arrangement direction of the fiber yarn, so as to form a lapping net; carrying out pre-needling and main needling on the laid net to enable longitudinally arranged fibers and transversely arranged fibers to be mutually inserted to form blank fabric; the needle density of the pre-needled needling board is 4000/m, the needling frequency is 1200 times/min, and the equipment stroke is 45mm; the density of the needles planted on the needling board of the main needling is 3500 pieces/m, the needling frequency is 1150 times/min, and the equipment stroke is 35mm; the needle receiving density of the pre-needling is 40 needles/cm 2 (ii) a The needle receiving density of the main needling is 35 needles/cm 2 ；
Shaping: performing thermoplastic molding, gum dipping, drying, cutting and curling on the base grey cloth to form a base grey cloth finished product with the thickness of 1mm; the thermoplastic type is as follows: heating the green tire fabric to 180 ℃, and then hot rolling at 180 ℃ until the thickness is 1mm; the gum dipping is as follows: and (3) soaking the thermoplastic tire fabric into the glue solution, taking out and extruding, and removing the redundant glue solution.
Test example 1: performance testing of polyester tire base fabrics
The polyester tire base fabrics obtained in examples 1 to 2 of the present invention and comparative example 1 were subjected to the performance test, and the test results are shown in table 1 below.
Table 1 results of performance test of polyester base fabrics obtained in examples 1 to 2 and comparative example 1
As can be seen from the above table, the polyester tire base fabric of comparative example 1 is lower in tensile strength and elongation than the polyester tire base fabrics of examples 1 to 2 at the same thickness, which indicates that the thickness of the polyester tire base fabric can be reduced while the tensile strength and elongation of the polyester tire base fabric are ensured by preparing a single-ply gray fabric using a laid web woven from fiber yarns having a fineness of 0.5 to 5dtex in the pre-spinning step.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. A method of making a polyester tire base fabric, comprising the steps of:
pre-spinning: after melting and extruding the fiber-grade polyester chips, carrying out high-pressure spinning by a spinneret plate to form a fiber yarn with the fiber number of 0.5-5 dtex; dividing the fiber yarn into two bundles, wherein one bundle is arranged longitudinally, the other bundle is arranged transversely, and the fiber yarn is sent to a lapping machine for lapping through a yarn swinging plate according to the arrangement direction of the fiber yarn, so as to form a lapping net; carrying out pre-needling and main needling on the laid net to enable longitudinally arranged fibers and transversely arranged fibers to be mutually inserted to form single-blank grey cloth;
compounding: at least two layers of single-tire grey cloth are compounded through hot pressing to form a compound-tire grey cloth;
shaping: and (3) performing thermoplastic molding, gum dipping, drying, cutting and curling on the composite tire grey cloth to form a tire base cloth finished product with the thickness not more than 1mm.
2. The method of claim 1, wherein the fiber has a fineness of 1.5 to 3dtex.
3. The method for preparing polyester tire base fabric according to claim 1 or 2, wherein the needle density of the pre-needled needling board is 3000-5000 pieces/m, the needling frequency is 1000-1500 times/min, and the equipment stroke is 30-50 mm.
4. The method for preparing polyester tire base fabric according to any of claims 1 to 3, wherein the needle density of the needle board of the main needling is 2500 to 4500 pieces/m, the needling frequency is 950 to 1450 times/min, and the equipment stroke is 20 to 40mm.
5. The method for producing a polyester tire base fabric according to any of claims 1 to 4, wherein the pre-needling is performed with a needle density of 35 to 50 needles/cm 2 。
6. The method for producing a polyester tire base fabric according to any of claims 1 to 5, wherein the needle density of the main needling is 25 to 40 needles/cm 2 。
7. The method for producing a polyester tire base fabric according to any of claims 1 to 6, wherein the thermoplastic type is: heating the composite green tire cloth to 180-200 ℃, and then hot rolling at 180-200 ℃ until the thickness is not more than 1mm.
8. The method for producing a polyester tire base fabric according to any one of claims 1 to 7, wherein the dipping is: and (3) immersing the thermoplastic composite blank into the glue solution, taking out and extruding, and removing the redundant glue solution.
9. The method of making a polyester tire base fabric of claim 7, wherein the composition of the gum solution comprises a starch solution and a chemical gum.
10. A polyester tire base fabric based on a multilayer laying net, which is prepared by the method for preparing the polyester tire base fabric according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211231510.0A CN115418798A (en) | 2022-10-09 | 2022-10-09 | Polyester tire base fabric based on multilayer laying net and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202211231510.0A CN115418798A (en) | 2022-10-09 | 2022-10-09 | Polyester tire base fabric based on multilayer laying net and preparation method thereof |
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| CN115418798A true CN115418798A (en) | 2022-12-02 |
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| CN202211231510.0A Pending CN115418798A (en) | 2022-10-09 | 2022-10-09 | Polyester tire base fabric based on multilayer laying net and preparation method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005187978A (en) * | 2003-12-25 | 2005-07-14 | Toyobo Co Ltd | Continuous filament nonwoven fabric |
| CN103205902A (en) * | 2013-03-05 | 2013-07-17 | 大连华阳化纤科技有限公司 | Production method of polyester filament spunbonded needle-punched felt base |
| CN105803680A (en) * | 2014-12-31 | 2016-07-27 | 大连华阳新材料科技股份有限公司 | Method for preparing needle-punched geotextile for bituminous waterproof sheet materials with polyester bottle chips as raw materials |
| CN108950878A (en) * | 2018-07-27 | 2018-12-07 | 滁州天鼎丰非织造布有限公司 | It is a kind of using glass fibre as polyester filament asphalt felt tire base of reinforcing rib and preparation method thereof |
| CN109629111A (en) * | 2019-01-19 | 2019-04-16 | 寿光市发达布业有限公司 | A kind of production technology of the ultra-thin tire base fabric of modified asphalt waterproof coiled material |
| CN109811419A (en) * | 2019-01-31 | 2019-05-28 | 天鼎丰聚丙烯材料技术有限公司 | A kind of waterproof anticracking base fabric and its manufacturing method |
| CN111607899A (en) * | 2020-05-26 | 2020-09-01 | 江阴市华思诚无纺布有限公司 | Method for manufacturing reinforced non-woven fabric |
-
2022
- 2022-10-09 CN CN202211231510.0A patent/CN115418798A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005187978A (en) * | 2003-12-25 | 2005-07-14 | Toyobo Co Ltd | Continuous filament nonwoven fabric |
| CN103205902A (en) * | 2013-03-05 | 2013-07-17 | 大连华阳化纤科技有限公司 | Production method of polyester filament spunbonded needle-punched felt base |
| CN105803680A (en) * | 2014-12-31 | 2016-07-27 | 大连华阳新材料科技股份有限公司 | Method for preparing needle-punched geotextile for bituminous waterproof sheet materials with polyester bottle chips as raw materials |
| CN108950878A (en) * | 2018-07-27 | 2018-12-07 | 滁州天鼎丰非织造布有限公司 | It is a kind of using glass fibre as polyester filament asphalt felt tire base of reinforcing rib and preparation method thereof |
| CN109629111A (en) * | 2019-01-19 | 2019-04-16 | 寿光市发达布业有限公司 | A kind of production technology of the ultra-thin tire base fabric of modified asphalt waterproof coiled material |
| CN109811419A (en) * | 2019-01-31 | 2019-05-28 | 天鼎丰聚丙烯材料技术有限公司 | A kind of waterproof anticracking base fabric and its manufacturing method |
| CN111607899A (en) * | 2020-05-26 | 2020-09-01 | 江阴市华思诚无纺布有限公司 | Method for manufacturing reinforced non-woven fabric |
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