WO2015016796A2 - Utilizing the cutting dust waste resulting from the production stage of fiberglass reinforced plastic (frp) pipe products and reusing it in the production of said products - Google Patents

Utilizing the cutting dust waste resulting from the production stage of fiberglass reinforced plastic (frp) pipe products and reusing it in the production of said products Download PDF

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Publication number
WO2015016796A2
WO2015016796A2 PCT/TR2014/000271 TR2014000271W WO2015016796A2 WO 2015016796 A2 WO2015016796 A2 WO 2015016796A2 TR 2014000271 W TR2014000271 W TR 2014000271W WO 2015016796 A2 WO2015016796 A2 WO 2015016796A2
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Prior art keywords
production
pipe
products
cutting dust
weight
Prior art date
Application number
PCT/TR2014/000271
Other languages
French (fr)
Other versions
WO2015016796A3 (en
Inventor
Gurcan YUKSEL
Original Assignee
Subor Boru Sanayi Ve Ticaret Anonim Sirketi
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Subor Boru Sanayi Ve Ticaret Anonim Sirketi filed Critical Subor Boru Sanayi Ve Ticaret Anonim Sirketi
Publication of WO2015016796A2 publication Critical patent/WO2015016796A2/en
Publication of WO2015016796A3 publication Critical patent/WO2015016796A3/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/0026—Recovery of plastics or other constituents of waste material containing plastics by agglomeration or compacting
    • B29B17/0042—Recovery of plastics or other constituents of waste material containing plastics by agglomeration or compacting for shaping parts, e.g. multilayered parts with at least one layer containing regenerated plastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D23/00—Producing tubular articles
    • B29D23/001—Pipes; Pipe joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/04—Disintegrating plastics, e.g. by milling
    • B29B17/0404—Disintegrating plastics, e.g. by milling to powder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/12—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of short lengths, e.g. chopped filaments, staple fibres or bristles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/16—Fillers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/26—Scrap or recycled material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/22—Tubes or pipes, i.e. rigid
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Definitions

  • the present invention relates to the use of cutting dust waste resulting from the production stage of glasfiber reinforced pipe (GRP) pipe products in the production of the glasfiber reinforced pipe (GRP) pipe products.
  • GRP glasfiber reinforced pipe
  • the present invention particularly relates to the improvement of raw material properties as well as reduction of the raw material consumption and waste amount disposed into the environment by adding certain amounts of the cutting dust waste resulting from the production stage of the glasfiber reinforced pipe (GRP) pipe products into the resin used as the main raw material in the production of said products.
  • GRP glasfiber reinforced pipe
  • GRP Glasfiber reinforced pipe
  • the present invention relates to a production system for fiberglass reinforced polyester pipes used in the auxiliary and tertiary pipelines of the pressurized or non-pressurized irrigation water supply and distribution systems, in the potable water supply and distribution systems, in the primary and secondary collectors of the sewer systems, in conveying all kinds of waste water, in the use of sea water as cooling water in the power stations, in conveying the contaminated and clean water undersea, in conveying the chemicals in the chemical plants, and in conveying the water obtained from thermal springs and containing chemicals.
  • Said system basically comprises the following: a main machine body, main machine lower and supply platforms, a mandrel, a mandrel bearing group, a main mandrel motor, a steel band, steel band guiding groups, polyester main tanks and a pumping group, a polyester conveying and dosing group, polyester conveying pipelines, a main sand tank and conveying group, a sand feeding group, a fiber supply system, an infrared heating system, a pipe cutting machine, hydraulic tables, hydraulic table-top roller sets, pipe carrier groups, a pipe end chamfering and adjustment group, a sleeve insert bench, a pipe pressure testing machine, a pressurized water pool, a pipe fitting production machine tool, polyester, sand, fiberglass, a chemical catalyst, the product (pipe), a testing cylinder, and a testing head.”
  • the present invention relates to a fast PP, PE and fiberglass reinforced PP pipe production line comprising, in the structure thereof, a PP or PE extruder, a PP or PE or fiberglass reinforced PP mold, PP or PE or fiberglass reinforced PP calibre, a vacuum tank and cooling unit-1 , a fiberglass extruder, a vacuum tank and cooling unit-2, a pipe drawer, a pipe cutter, a pipe rotator, and a pipe grabber, wherein it further comprises a dried cold air unit and a lubricated heating- cooling unit.
  • the aforementioned inventions relate to systems for producing pipes using fiberglass reinforced plastic materials and machines providing said systems.
  • FRP is directly used.
  • consumption amount of the polyester resins made of fiberglass reinforced plastics can be very high depending on the thermal characteristics thereof.
  • Cutting dust waste is generated during the production stage of said pipe products. These wastes are sent to the disposal facilities and not utilized in any way. Consequently, due to the insufficiency of the existing solutions, a development for utilizing cutting dust waste resulting from the production stage of the fiberglass reinforced plastic pipe products is required to be made.
  • the present invention relates to utilization of the cutting dust waste resulting from the production stage of glasfiber reinforced pipe (GRP) pipe products and reuse thereof in the production of said products, which meets the aforementioned requirements, eliminates all the drawbacks and brings some additional advantages.
  • GRP glasfiber reinforced pipe
  • the primary object of the present invention is to improve raw material properties as well as to reduce the raw material consumption and waste amount disposed into the environment by adding certain amounts of the cutting dust waste resulting from the production stage of the glasfiber reinforced pipe (GRP) pipe products into the resin used as the main raw material in the production of said products.
  • GRP glasfiber reinforced pipe
  • Another object of the present invention is to provide a resin prepared by reusing the cutting dust waste and having a better wettability as compared to the resins prepared with conventional methods.
  • desired technical specifications are obtained with lower utilization amounts and raw material utilization efficiency is increased.
  • a similar object of the present invention is to prevent disposal of the cutting dust waste resulting from the production of glasfiber reinforced pipe (GRP) pipe products by reutilization thereof.
  • GRP glasfiber reinforced pipe
  • Another object of the present invention is to reduce costs thanks to the utilization of dust waste in the preparation of the resin with improved technical characteristics.
  • the present invention relates to a method for producing glasfiber reinforced pipe (GRP) pipe product comprising the process step of adding and mixing cobalt, a catalyst and styrene monomer into the polyester and/or vinyl ester resin, characterized in comprising the following process step:
  • the present invention comprises the following: 65.8-87.7% by weight of polyester and/or vinyl ester resin, 0.05-0.2% by weight of cobalt, 1.1-3.3% by weight of catalyst (peroxide), 8.8-22% by weight of styrene, and 1.1-11% by weight of cutting dust.
  • said cutting dust waste is mixed with styrene monomer prior to the addition thereof into said mixture.
  • the present invention to achieve the objects thereof, comprises 0.011-0.11% by weight of AEROSIL.
  • the present invention to achieve the objects thereof, comprises 0.011-0.11 % by weight of inhibitor.
  • the present invention relates to the utilization of the cutting dust waste resulting from the production stage of glasfiber reinforced pipe (GRP) pipe products.
  • certain amounts of said cutting dust waste are added into the resin used as the main raw material in the production of (FRP) pipe products.
  • FRP glasfiber reinforced pipe
  • Another characteristic of the present invention is that the wettability of the resin prepared by reusing the cutting dust waste is better than that of the resins prepared with conventional methods.
  • the reason for this is that, thanks to including said dust in the production process by addition thereof into the resin, the gaps present inside the layers of the pipe structure are filled in a more efficient manner as compared to the filling thereof using resin without cutting dust. Thus, porosity decreases and raw material consumption is reduced by increasing the wettability of the materials.
  • cutting and chipping processes are carried out with aqueous systems and cutting dust is generated. This cutting dust, through channels, is collected in a pool and separated from water by means of a filter press system.
  • the resulting cutting dust-water mixture material with a slurry consistency is dewatered by drying and pulverized.
  • the obtained cutting dust is first mixed with styrene monomer (vinyl benzene/phenyl ethylene/ethylene benzene) being also added to the resin used in the production.
  • styrene monomer vinyl benzene/phenyl ethylene/ethylene benzene
  • the dust-styrene amount used herein is in the range of 1% to 10% depending on the resin amount to be used in the production and type of the pipe to be produced.
  • the waste dust after being mixed with styrene, becomes ready for use. And, it is added into the resin disposed inside the resin preparation tanks. Homogenization is achieved by means of the mixers disposed in the tanks.
  • resin preparation processes are carried out at room temperature. However, depending on the ambient conditions, it can also be prepared at a temperature in the range of 20-40 degrees.
  • viscosity of the prepared resin is in the range of 120-220 cP.
  • Raw material content of the glasfiber reinforced pipe (GRP) pipe product according to the present invention :
  • unsaturated polyester resin orthophthalic, isophthalic, terephthalic
  • vinyl ester resin is used as the main raw material.
  • AEROSIL is added into the resin to provide thixotropic properties (resistance against flow) thereto and to adjust resin viscosity.
  • the inhibitor provides additional protection against the UV rays from the sun for the pipes to be used in the above ground applications.
  • These two raw materials are also added into the resin disposed inside the tank at the end of the resin preparation process prior to the use of the product in the production.
  • the dust to be used should be dried and free of water, foreign materials and particles.
  • said cutting dust waste, prior to the addition thereof into the resin should be made into a solution by mixing thereof with styrene and after the addition thereof into the resin, sufficient mixing should be performed to ensure a complete homogenization.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Macromonomer-Based Addition Polymer (AREA)

Abstract

The present invention relates to a method for producing glasfiber reinforced pipe (GRP) pipe product comprising the process step of adding and mixing cobalt, a catalyst and styrene monomer into the polyester and/or vinyl ester resin, characterized in comprising the following process step: adding the cutting dust waste resulting from said production stage into said mixture in the subsequent production of said product.

Description

DESCRIPTION
Utilizing the cutting dust waste resulting from the production stage of fiberglass reinforced plastic (FRP) pipe products and reusing it in the production of said products
Technical Field
The present invention relates to the use of cutting dust waste resulting from the production stage of glasfiber reinforced pipe (GRP) pipe products in the production of the glasfiber reinforced pipe (GRP) pipe products.
The present invention particularly relates to the improvement of raw material properties as well as reduction of the raw material consumption and waste amount disposed into the environment by adding certain amounts of the cutting dust waste resulting from the production stage of the glasfiber reinforced pipe (GRP) pipe products into the resin used as the main raw material in the production of said products.
Prior Art
Glasfiber reinforced pipe (GRP) is a high physical strength composite material reinforced with fiberglass and comprising unsaturated polyester. These materials confer the following properties to the products provided therewith: high strength, light weight, design flexibility, dimensional stability, corrosion resistance, ease of molding, surface treatment, non- flammability, heat resistance, and repairability. One of the products using these materials is the pipes.
Some patent applications are encountered during the literature search on the subject matter.
One of these applications is the utility model application with the publication number TR200805832 entitled as "Fiberglass reinforced polyester pipe production system." The abstract of said invention is as follows: "The present invention relates to a production system for fiberglass reinforced polyester pipes used in the auxiliary and tertiary pipelines of the pressurized or non-pressurized irrigation water supply and distribution systems, in the potable water supply and distribution systems, in the primary and secondary collectors of the sewer systems, in conveying all kinds of waste water, in the use of sea water as cooling water in the power stations, in conveying the contaminated and clean water undersea, in conveying the chemicals in the chemical plants, and in conveying the water obtained from thermal springs and containing chemicals. Said system basically comprises the following: a main machine body, main machine lower and supply platforms, a mandrel, a mandrel bearing group, a main mandrel motor, a steel band, steel band guiding groups, polyester main tanks and a pumping group, a polyester conveying and dosing group, polyester conveying pipelines, a main sand tank and conveying group, a sand feeding group, a fiber supply system, an infrared heating system, a pipe cutting machine, hydraulic tables, hydraulic table-top roller sets, pipe carrier groups, a pipe end chamfering and adjustment group, a sleeve insert bench, a pipe pressure testing machine, a pressurized water pool, a pipe fitting production machine tool, polyester, sand, fiberglass, a chemical catalyst, the product (pipe), a testing cylinder, and a testing head."
One of these applications is the patent application with the publication number TR201100950 entitled as "Fast PP, PE and fiberglass reinforced PP pipe production line and pipe production method." The abstract of said invention is as follows: "The present invention relates to a fast PP, PE and fiberglass reinforced PP pipe production line comprising, in the structure thereof, a PP or PE extruder, a PP or PE or fiberglass reinforced PP mold, PP or PE or fiberglass reinforced PP calibre, a vacuum tank and cooling unit-1 , a fiberglass extruder, a vacuum tank and cooling unit-2, a pipe drawer, a pipe cutter, a pipe rotator, and a pipe grabber, wherein it further comprises a dried cold air unit and a lubricated heating- cooling unit. '
The aforementioned inventions relate to systems for producing pipes using fiberglass reinforced plastic materials and machines providing said systems. In said systems, FRP is directly used. However, for example, consumption amount of the polyester resins made of fiberglass reinforced plastics can be very high depending on the thermal characteristics thereof.
Cutting dust waste is generated during the production stage of said pipe products. These wastes are sent to the disposal facilities and not utilized in any way. Consequently, due to the insufficiency of the existing solutions, a development for utilizing cutting dust waste resulting from the production stage of the fiberglass reinforced plastic pipe products is required to be made.
Objects of the Invention
The present invention relates to utilization of the cutting dust waste resulting from the production stage of glasfiber reinforced pipe (GRP) pipe products and reuse thereof in the production of said products, which meets the aforementioned requirements, eliminates all the drawbacks and brings some additional advantages.
The primary object of the present invention is to improve raw material properties as well as to reduce the raw material consumption and waste amount disposed into the environment by adding certain amounts of the cutting dust waste resulting from the production stage of the glasfiber reinforced pipe (GRP) pipe products into the resin used as the main raw material in the production of said products.
Another object of the present invention is to provide a resin prepared by reusing the cutting dust waste and having a better wettability as compared to the resins prepared with conventional methods. Thus, desired technical specifications are obtained with lower utilization amounts and raw material utilization efficiency is increased.
A similar object of the present invention is to prevent disposal of the cutting dust waste resulting from the production of glasfiber reinforced pipe (GRP) pipe products by reutilization thereof.
Another object of the present invention is to reduce costs thanks to the utilization of dust waste in the preparation of the resin with improved technical characteristics.
To achieve the aforementioned objects, the present invention relates to a method for producing glasfiber reinforced pipe (GRP) pipe product comprising the process step of adding and mixing cobalt, a catalyst and styrene monomer into the polyester and/or vinyl ester resin, characterized in comprising the following process step:
• adding the cutting dust waste resulting from said production stage into said mixture in the subsequent production of said product.
The present invention, to achieve the objects thereof, comprises the following: 65.8-87.7% by weight of polyester and/or vinyl ester resin, 0.05-0.2% by weight of cobalt, 1.1-3.3% by weight of catalyst (peroxide), 8.8-22% by weight of styrene, and 1.1-11% by weight of cutting dust.
To achieve the objects of the present invention, said cutting dust waste is mixed with styrene monomer prior to the addition thereof into said mixture.
The present invention, to achieve the objects thereof, comprises 0.011-0.11% by weight of AEROSIL. The present invention, to achieve the objects thereof, comprises 0.011-0.11 % by weight of inhibitor.
The structural and characteristic features and all advantages of the present invention will be understood more clearly with the detailed description given below and therefore, the evaluation needs to be done by taking this detailed description into consideration.
Detailed Description of the Invention
In this detailed description, preferred embodiments of the utilization of the cutting dust waste resulting from the production stage of glasfiber reinforced pipe (GRP) pipe products and reuse thereof in the production of said products according to the present invention are described only for a better understanding of the subject without constituting any restrictive effect. The present invention relates to the utilization of the cutting dust waste resulting from the production stage of glasfiber reinforced pipe (GRP) pipe products. In this utilization, certain amounts of said cutting dust waste are added into the resin used as the main raw material in the production of (FRP) pipe products. Thus, raw material properties are improved as well as raw material consumption and the amount of waste disposed into the environment is reduced.
Another characteristic of the present invention is that the wettability of the resin prepared by reusing the cutting dust waste is better than that of the resins prepared with conventional methods. The reason for this is that, thanks to including said dust in the production process by addition thereof into the resin, the gaps present inside the layers of the pipe structure are filled in a more efficient manner as compared to the filling thereof using resin without cutting dust. Thus, porosity decreases and raw material consumption is reduced by increasing the wettability of the materials. In the FRP pipe production stages, cutting and chipping processes are carried out with aqueous systems and cutting dust is generated. This cutting dust, through channels, is collected in a pool and separated from water by means of a filter press system. The resulting cutting dust-water mixture material with a slurry consistency is dewatered by drying and pulverized. The obtained cutting dust is first mixed with styrene monomer (vinyl benzene/phenyl ethylene/ethylene benzene) being also added to the resin used in the production. Thus, dilution and dissolution thereof is provided. The dust-styrene amount used herein is in the range of 1% to 10% depending on the resin amount to be used in the production and type of the pipe to be produced.
The waste dust, after being mixed with styrene, becomes ready for use. And, it is added into the resin disposed inside the resin preparation tanks. Homogenization is achieved by means of the mixers disposed in the tanks.
Then, cobalt, styrene, and catalyst are added into the resin.
In the preferred embodiment of the present invention, resin preparation processes are carried out at room temperature. However, depending on the ambient conditions, it can also be prepared at a temperature in the range of 20-40 degrees.
In the preferred embodiment of the present invention, viscosity of the prepared resin is in the range of 120-220 cP. Raw material content of the glasfiber reinforced pipe (GRP) pipe product according to the present invention:
Figure imgf000006_0001
In the preferred embodiment of the present invention, unsaturated polyester resin (orthophthalic, isophthalic, terephthalic) and/or vinyl ester resin is used as the main raw material. AEROSIL is added into the resin to provide thixotropic properties (resistance against flow) thereto and to adjust resin viscosity. The inhibitor provides additional protection against the UV rays from the sun for the pipes to be used in the above ground applications. These two raw materials are also added into the resin disposed inside the tank at the end of the resin preparation process prior to the use of the product in the production.
In the preferred embodiment of the present invention, the dust to be used should be dried and free of water, foreign materials and particles. In a preferred embodiment of the present invention, said cutting dust waste, prior to the addition thereof into the resin, should be made into a solution by mixing thereof with styrene and after the addition thereof into the resin, sufficient mixing should be performed to ensure a complete homogenization.

Claims

1. A method for producing glasfiber reinforced pipe (GRP) pipe product comprising the process step of adding and mixing cobalt, a catalyst and styrene monomer into the polyester and/or vinyl ester resin, characterized in comprising the following process step:
• adding the cutting dust waste resulting from said production stage into said mixture in the subsequent production of said product.
2. The method for producing FRP pipe product according to claim 1 , characterized in comprising: 65.8-87.7% by weight of polyester and/or vinyl ester resin, 0.05-0.2% by weight of cobalt, 1.1-3.3% by weight of catalyst (peroxide), 8.8-22% by weight of styrene, and 1.1- 11% by weight of cutting dust.
3. The method for producing FRP pipe product according to claims 1 to 2, characterized in that said cutting dust waste is mixed with styrene monomer prior to the addition thereof into said mixture.
4. The method for producing FRP pipe product according to claims 1 to 3, characterized in that AEROSIL is added into said mixture.
5. The method for producing FRP pipe product according to claim 4, characterized in that said AEROSIL is in the range of 0.01 -0. 1% by weight.
6. The method for producing FRP pipe product according to claims 1 to 5, characterized in that an inhibitor is added into said mixture.
7. The method for producing FRP pipe product according to claim 6, characterized in that said inhibitor is in the range of 0.011-0.11% by weight.
PCT/TR2014/000271 2013-07-30 2014-07-25 Utilizing the cutting dust waste resulting from the production stage of fiberglass reinforced plastic (frp) pipe products and reusing it in the production of said products WO2015016796A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR201309197 2013-07-30
TR2013/09197 2013-07-30

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WO2015016796A3 WO2015016796A3 (en) 2015-04-16

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TR200805832U (en) 2008-08-06 2009-02-23 ŞİRİN BEDlR MEHMET Glass fiber reinforced polyester pipe production system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0671648A (en) * 1992-06-26 1994-03-15 Sekisui Chem Co Ltd Production of recycled product
AR022298A1 (en) * 1999-01-22 2002-09-04 Carlstrom Borge A PROCEDURE FOR THE MANUFACTURE OF CENTRIFUGED PLASTIC TUBES REINFORCED WITH GLASS FIBERS, CENTRIFUGED PLASTIC TUBES REINFORCED GLASS CONFIBERS AND AN INSTALLATION FOR THE MANUFACTURE OF THE SAME.
JP2004284366A (en) * 2004-04-12 2004-10-14 Kurimoto Kasei Kogyo Kk Fiber reinforced plastic molded article
JP2010005500A (en) * 2008-06-24 2010-01-14 Nbl Kk Water percolation pipe and its use

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TR200805832U (en) 2008-08-06 2009-02-23 ŞİRİN BEDlR MEHMET Glass fiber reinforced polyester pipe production system

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