WO2006132423A1 - ウェブ、スタンパブルシートおよびスタンパブルシート膨張成形品ならびにこれらの製造方法 - Google Patents
ウェブ、スタンパブルシートおよびスタンパブルシート膨張成形品ならびにこれらの製造方法 Download PDFInfo
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- WO2006132423A1 WO2006132423A1 PCT/JP2006/311885 JP2006311885W WO2006132423A1 WO 2006132423 A1 WO2006132423 A1 WO 2006132423A1 JP 2006311885 W JP2006311885 W JP 2006311885W WO 2006132423 A1 WO2006132423 A1 WO 2006132423A1
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- WIPO (PCT)
- Prior art keywords
- heat
- expandable particles
- web
- expansion
- sheet
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/02—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising combinations of reinforcements, e.g. non-specified reinforcements, fibrous reinforcing inserts and fillers, e.g. particulate fillers, incorporated in matrix material, forming one or more layers and with or without non-reinforced or non-filled layers
- B29C70/021—Combinations of fibrous reinforcement and non-fibrous material
- B29C70/025—Combinations of fibrous reinforcement and non-fibrous material with particular filler
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/22—Agents rendering paper porous, absorbent or bulky
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
- D21F11/002—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines by using a foamed suspension
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/18—Reinforcing agents
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/50—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by form
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/50—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by form
- D21H21/56—Foam
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
- D21J1/00—Fibreboard
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/50—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by form
- D21H21/52—Additives of definite length or shape
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249924—Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity
- Y10T428/24994—Fiber embedded in or on the surface of a polymeric matrix
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
Definitions
- the present invention is lightweight and has excellent sound absorption characteristics, it can be used as an automotive interior material, engine power par, etc., as well as a stampable sheet expansion molded product that is used as a sound absorbing material and a sound barrier in the building material field, and the like.
- the present invention relates to a web suitable for production, a stampable sheet, and a production method thereof.
- Stampable sheet is a composite material consisting of strong fiber such as glass fiber and carbon fiber, and thermoplastic resin, etc., and is a sheet material suitable for forming large parts by pressing after thermal expansion. It is.
- a method for producing this stampable sheet for example, reinforcing fibers and thermoplastic resin are dispersed in a medium such as a foam liquid in which a surfactant is added to water and microbubbles are contained, and the dispersion liquid is dispersed.
- Paper making that is, foam dispersion is poured onto a papermaking screen and defoamed to obtain a non-woven fabric-like deposit (web), and then this web is heated, pressurized and cooled and solidified. Methods are known (see, for example, Japanese Patent Publication No. Sho 5 5-0 0 9 1 19).
- the stamper sheet melts the thermoplastic resin, and at the same time, the thickness of the stamper sheet is restored to the thickness of the web before being compressed by the action of the springback of the reinforcing fiber. Then, the stamped sheet is heated and expanded, and then press-molded to obtain a porous molded product that leaves an appropriate amount of voids. As a result, it is possible to obtain an expansion molded article having high rigidity and excellent sound absorption characteristics (see, for example, Japanese Patent Laid-Open No. 60-1797234).
- the above expansion-molded article is composed of a porous body having a three-dimensional network structure in which strong fibre fibers oriented in random directions are entangled and fixed and bonded by a melted and solidified thermoplastic resin. It has become. Since the oka U property of such an expansion-molded product is proportional to the product of the modulus of elasticity and the cube of the thickness, it is effective to increase the modulus of elasticity or increase the thickness in order to increase its rigidity. is there. ⁇ 'There are two ways to increase the thickness of expansion moldings: increasing the thickness of the material web, and increasing the web expansion. However, increasing the thickness of the web is undesirable because it increases the weight.
- the expansibility of the stampable sheet depends on the action of the springback of the reinforcing rod, so there is a limit to increasing its S tension. Therefore, a technology has been proposed in which heat-expandable particles that have the property of expanding when heated are mixed in a stampable sheet, and this is heated and expanded to forcibly increase the thickness of the sheet. (See, for example, Japanese Patent Laid-Open No. 2 00-3 0 2 4 94 4, Japanese Patent Laid-Open No. 0-07 2 7 98, and Japanese Patent Laid-Open No. 0 2-0 4 5 1 3 5).
- the heat-expandable particles are generally core-shell type particles having a diameter of several tens / m
- the core is a liquid hydrocarbon
- the shell is a thermoplastic resin having gas barrier properties.
- the hydrocarbon vaporizes and expands, and the thermoplastic resin softens and expands into a spherical shape with a diameter of about several hundreds of meters. Disclosure of the invention
- Patent Documents 3 and 4 disclose a technique for making paper by dispersing reinforcing fibers, thermoplastic resin particles, and heat-expandable particles in water to which a flocculant and a thickener are added.
- the aggregating agent is added to agglomerate the heat-expandable particles and prevent the heat-expandable particles from being discharged from the paper screen screen during paper making.
- the stamped sheet obtained by this technology has agglomerates of heated g-stretchable particles. Therefore, when this is heated to form an expanded molded product, only the agglomerated part is large. The expansion of the surface of the expanded molded article becomes violent, resulting in poor surface properties, and the density of the heat-expandable particles is reduced, resulting in decreased strength of the expanded molded article. .
- Patent Document 5 discloses a technique for immersing a web subjected to needling treatment in a solution in which heat-expandable particles are dispersed to uniformly disperse the heat-expandable particles in the web. Yes. However, since this technique performs a needling treatment on the web, needle marks remain in the expanded molded product, and buckling is likely to occur starting from the needle marks, resulting in poor mechanical strength. is there.
- an object of the present invention is to provide a stampable sheet expansion molded product that is not only lightweight and excellent in sound absorption characteristics, but also excellent in surface properties and mechanical strength, a web suitable for use in the production, a stamped sheet, and those
- This is to propose a manufacturing method.
- the inventors have intensively studied in order to solve the above-mentioned problems of the prior art.
- the above-mentioned problems can be solved by appropriately controlling the distribution in the thickness direction of the heat-expandable particles contained in the web using the foam papermaking method. That is, in the foam making method, the heat-expandable particles are held on the surface of the foam, and the particles are uniformly dispersed in the foam liquid.
- the foam making method can disperse the heat-expandable particles without agglomeration. For this reason, the surface of the expansion molded product has almost no unevenness due to aggregation of the heat-expandable particles.
- a reinforcing rod having a diameter of several tens of ⁇ m and a length of several tens of mm, and thermoplastic resin particles having a diameter of about several hundred ⁇ m are used in the thickness and width directions of the paper made. It can be uniformly dispersed.
- the final expansion-molded product is a heat-expandable particle.
- the surface side on which almost no children are present has a higher specific gravity and higher density than the surface side on which many heat-expandable particles are present, so that the compressive strength is increased and the bending strength is also improved.
- an expansion molded product having a high-density layer on the surface has improved sound absorption characteristics.
- the present invention is a web containing a dispersion of a thermoplastic resin, reinforcing fibers, and heat-expandable particles, wherein the heat-expandable particles contained in the web are unevenly distributed on either side of the force.
- the web is a web (foam paper web) manufactured by a foam paper making method.
- the present invention also relates to a stamper sheet in which reinforcing fibers and heat-expandable particles are dispersed in a matrix made of a thermoplastic resin, and the heat-expandable particles contained in the stampable sheet are somewhere in color. It is a stamped sheet characterized by being unevenly distributed on one side.
- the stampable sheet is a stampable sheet (foam paper stampable sheet) obtained by heating, pressure, and rejecting a foam paper web.
- the present invention also relates to an expanded molded article of a stampable sheet in which the thermally expandable particles expanded through the reinforcing fibers are bonded and dispersed with a thermoplastic resin, and the thermally expandable particles contained in the expanded molded article Is a stampable sheet expansion-molded product, characterized in that is unevenly distributed on one surface side.
- the above-mentioned stampable sheet expansion molded product is a stampable sheet obtained by heating, molding, and cooling a foam paper stamped sheet.
- the present invention also provides a foam liquid in which reinforcing fibers, thermoplastic resin, and heat-expandable particles are uniformly dispersed in a surfactant-containing aqueous medium containing microbubbles, and papermaking the foam liquid.
- a method of manufacturing a web is proposed, characterized in that, during papermaking, degassing is performed by suction and the heat-expandable particles are unevenly distributed on either side of the web. .
- the present invention also provides a foam liquid in which reinforcing fibers, a thermoplastic resin, and heat-expandable particles are uniformly dispersed in a surfactant-containing aqueous medium containing microbubbles, and the foam liquid is made into a paper And then the web is heated, pressurized, cooled and thermoplastic
- the foam is defoamed by suction, and the heat-expandable particles are either shifted or misaligned.
- This is a stampable sheet manufacturing method characterized in that the heat-expandable particles are unevenly distributed on one surface side of the stampable sheet by being unevenly distributed on the surface side of the stampable sheet.
- the present invention prepares a foam liquid in which reinforcing fibers, thermoplastic resin and heat-expandable particles are uniformly dispersed in a surfactant-containing aqueous medium containing microbubbles, and forms the foam liquid. Then, the web is heated, pressurized, cooled to form a stamped sheet, the stampable sheet is further heated, the heat-expandable particles are expanded, molded, and then cooled.
- the foam is defoamed by suction during the paper making and the heat-expandable particles are formed.
- a stamped sheet that heat-expandable particles are unevenly distributed on either surface side of an expansion-molded product by uneven distribution on one surface side of the web. It is a manufacturing method of Zhang moldings.
- stampable sheet expansion molded product that is not only lightweight and excellent in surface properties, but also excellent in mechanical strength such as bending strength and rigidity.
- Fig. 1 is a graph showing a comparison of the sound absorption characteristics of expanded and temperable sheet products.
- the present invention provides a web as a raw material by using a foam paper making method when producing an expansion-molded product of a stampable sheet, and the heat-expandable particles contained in the web are unevenly distributed on one surface side. Increase the porosity on the surface side that contains more heat-expandable particles, lower the porosity on the surface side that contains less heat-expandable particles, and increase the overall expansion.
- the mechanical strength and sound absorption characteristics of the expansion molded product It is characterized by improved surface properties and improved surface quality.
- the web of the present invention is composed of reinforcing fibers, a thermoplastic resin, and heat-expandable particles.
- the strong fiber and the thermoplastic resin are almost in the thickness direction of the web.
- the heat-expandable particles have a structure that is unevenly distributed on one side of the web. In other words, many heat-expandable particles exist in the vicinity of one surface of the web, and decrease as the force goes to the inside. It has become.
- the stampable sheet of the present invention obtained by heating, pressurizing and cooling the web comprises a matrix made of the thermoplastic resin melted and solidified by the heating and cooling, in which strong fiber and heat expandability are formed. It has a structure in which particles are dispersed.
- the heat-expandable particles in the stamper sheet are mostly in the vicinity of one surface. It exists and decreases from the inside to the inside, and it shows a distribution that is almost non-existent near the surface on the opposite side.
- the expansion-molded product of the present invention has a porous structure in which the reinforced fiber and the expanded heat-expandable particles are bonded with a molten and solidified thermoplastic resin, and the heat-expandable particles are dispersed. Is present in the vicinity of one surface of the expansion molded product, and decreases as the force goes to the inside, and there are almost no heat-expandable particles in the vicinity of the opposite surface.
- the surface of the expansion molded product of the present invention has a smoother surface and a higher specific gravity and a higher density on the surface side with less heat-expandable particles compared to the surface side with more heat-expandable particles.
- the mechanical properties such as Okasei are improved and the sound absorption properties are also improved.
- the strong fiber, the thermoplastic resin and the thermally expandable particles constituting the web, stampable sheet and expanded molded product of the present invention will be described.
- the reinforcing fiber used in the present invention either an inorganic fiber or an organic fiber may be used, and a fiber obtained by combining or mixing these may be used. Examples of usable fibers include glass fiber, carbon fiber, boron fiber, and stainless steel as inorganic fiber!
- Fibers and other metal fibers and mineral fibers, and examples of organic fibers include aramid fibers, polyester fibers, polyamide fibers, and natural fibers such as hemp. Moreover, you may use combining these 1 type (s) or 2 or more types. From the viewpoint of imparting a high reinforcing effect to the expansion-molded product, inorganic fibers are preferable to organic fibers, and carbon fibers are preferably used when emphasizing strength. On the other hand, from the viewpoint of cost, it is preferable to use glass fiber, and from the viewpoint of thermal recycling that no residue remains even if incinerated, organic fiber is preferable.
- the average diameter of the reinforcing fibers is preferably 3 to 505 ⁇ ⁇ from the viewpoint of sufficiently securing the reinforcing effect and expandability of the stampable sheet. More preferably, it is 3 to 30 ⁇ .
- the average diameter is strengthened from 100 to: ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ II
- a mixture of reinforcing fibers having an average diameter of 3 to 50 ⁇ that plays a role of filling between the fibers and the fibers may be used.
- the average length of the strong fiber is preferably in the range of 3 to 100 mm from the viewpoint of sufficiently securing the reinforcing effect, the expandability and the moldability.
- the average length of the reinforcing fibers is more preferably in the range of 3 to 50 mm.
- the average diameter and average length are obtained by measuring about 50 diameters and lengths of the reinforcing fibers or webs, stamper plutos, and expansion moldings before use, using a microscope or the like. Averaged values.
- the reinforcing fiber may be observed using a microscope or the like after firing a web, a stamp brute, or an expansion molded product at a temperature of about 60 ° C.
- the reinforcing fiber used in the present invention is a surface treatment with a coupling agent or a sizing agent. It is preferable that the treatment is performed. In particular, in order to improve the wettability between the reinforced fiber and the thermoplastic resin, it is preferable to perform a treatment with a silane force pulling agent.
- a silane coupling agent such as biersilane, aminosilan, epoxysilane, methacrylsilane, chlorosilane, mercaptosilane and the like can be used.
- the surface treatment of the reinforcing fiber with the silane coupling agent is a known method such as a method of spraying the silane coupling agent solution while stirring the reinforcing fiber, or a method of immersing the strong fiber in the coupling agent solution. Can be done.
- the treatment amount of the silane coupling agent is preferably 0.01 to 0.3 mass% with respect to the mass of the reinforcing fiber to be treated. If the content is less than 0.1 mass%, the effect of the silane coupling agent is small, and sufficient adhesive strength between the reinforced fiber and the thermoplastic resin cannot be obtained. This is because the effect of the ring agent is saturated. More preferably, it is in the range of 0.05 to 0.2 mass%.
- the strong fiber used in the present invention is desirably a filament made of a single fiber in order to increase the strength and expansibility of the stamped sheet. It is preferable to treat with a water-soluble sizing agent.
- a water-soluble sizing agent a polyethylene oxide-based polyvinyl alcohol-based water-soluble resin or the like can be used.
- the treatment amount of the sizing agent is 2 m a s s% or less, preferably 1 m a s s% or less, based on the mass of the reinforcing fiber to be treated. If it exceeds 2 m a s s%, it will be difficult to disentangle the fibers in the paper making process. Note that the lower limit of the processing amount is about 0.05 m s s%. If the amount of processing is too small, handling will be poor.
- thermoplastic resin used in the present invention will be described.
- thermoplastic resin used in the present invention examples include polyolefin resins such as polyethylene and polypropylene, polystyrene, polychlorinated butyl, polyethylene terephthalate, polycarbonate, polyamide, polyacetal, and the like.
- Thermoplastic elastomers such as ethylene monochloride copolymer, ethylene monoacetate copolymer, styrene-butagen-acrylo-tolyl copolymer, E PM, EP DM Toma can be used in combination of one or more.
- polyolefin resins such as polyethylene and polypropylene are preferred because they are excellent in strength and rigidity, and in particular, polypropylene is excellent in the balance of these characteristics and is inexpensive. This is more preferable.
- MFR melt flow rate, 230 ° C, 21.17 N
- the thermoplastic resin is modified with various compounds such as acids such as unsaturated carboxylic acids and unsaturated carboxylic acid anhydrides and epoxy compounds. Can be used in combination with unmodified thermoplastic resin.
- the modification treatment can be performed, for example, by subjecting polypropylene to maleic acid, maleic anhydride, acrylic acid, etc., by Daraft copolymerization.
- the modified product those having a modified group such as an acid anhydride group or carboxyl group in the molecule are particularly preferred from the viewpoint of improving the strength! /.
- the thermoplastic resin may be in the form of particles such as powder, pellets, flakes, or fibers. From the viewpoint of improving the yield of heat-expandable particles, and improving the strength and rigidity of the stamped sheet by sufficiently entwining the molten thermoplastic resin with the reinforcement. It is preferable to use a particulate material in combination with a particulate material. O Here, when using a particulate material, it is preferable to use a material having an average particle diameter of 100 to 2000 ⁇ , From the viewpoint of uniform dispersion in the bull sheet, those of 100 to 1000 ⁇ are more preferable.
- the average length More preferably, the length is 1 to 30 mm.
- the heat-expandable particles used in the present invention are softened when heated above a certain temperature. Further, the shell has a characteristic of expanding due to the vaporizing and expanding pressure of the core.
- the present invention has a great feature in that the heat-expandable particles are used as a material constituting a tube, a stampable sheet, and an expansion molded product thereof. By using these heat-expandable particles, it is possible to secure a larger expansion amount than in the case of the spring pack action of the reinforcing fiber alone, so that the density can be further reduced, and a lightweight and rigid expansion molded product can be obtained. Can do.
- the core is a liquid hydrocarbon, and this is a core-shell type heat-expandable which is encapsulated by a shell made of a thermoplastic resin having gas parrality are preferred.
- the hydrocarbon used in the core has a boiling point lower than the softening point of the shell thermoplastic resin.For example, hydrocarbons with a boiling point of 150 ° C or less such as isobutane, pentane, hexane, etc. And ethers.
- thermoplastic resin that forms the shell examples include polyethylene resin, polypropylene, polyethylene resin such as ethylene-propylene copolymer, polystyrene, polybutyl chloride, polyvinylidene chloride, methacrylic resin, ABS resin, and ethylene monoacetic acid.
- thermoplastic resins such as bur copolymer, polyamide resin, moonlight, polyethylene terephthalate, polybutylene terephthalate, polyurethane, polyacetal, polyphenylene sulfide, and fluororesin.
- heat-expandable particles in which the core is made of a liquid hydrocarbon such as isobutane, pentane or hexane, and the shell is made of a thermoplastic resin such as acrylonitrile copolymer or polyvinylidene chloride.
- the average diameter of the heat-expandable particles is preferably 5 to 200 ⁇ m ⁇ , more preferably 10 ⁇ or more and less than 1 0 0 ⁇ before the heat expansion. More than 2 0 ⁇ ⁇ ⁇ and less than 100 ⁇ m ⁇ . If the particle diameter before expansion is less than 5 ⁇ m ⁇ , it will easily drop out through the gaps in the reinforcing fibers during papermaking, and the yield will decrease. On the other hand, if it exceeds 200 ⁇ , the size of the expanded calothermally expandable particles is too large, resulting in uneven thickness of the expanded molded product, or poor surface quality. Because. In addition
- the calo-thermally expandable particles preferably have an average diameter of 10 to 200,000 ⁇ when expanded, and more preferably have a diameter of 20 to 100 ° ⁇ . is there. ⁇ If the average diameter of the heat-expandable particles after stretching is too small, the amount (number) of heat-expandable particles necessary to expand the stampable sheet becomes large. On the other hand, if the average diameter after expansion is too large, irregularities are formed on the surface of the expansion molded product, which deteriorates the surface properties.
- the average diameter of the heat-expandable particles after the expansion is a value obtained by observing about 50 heat-expandable particles in the expansion molded product with an optical microscope or the like and averaging the measured diameters. .
- the expansion start temperature is defined as the temperature at which the particle size of the heated cavity particles starts to increase rapidly when the temperature of the heat expandable particles is increased at 1 ° / min.
- the heat-expandable particles used in the present invention preferably have an expansion start temperature of 120 ° C. or higher, more preferably 13 ° -30 ° C.
- the expansion start temperature is less than 120 ° C, the heat-expandable particles themselves are inferior in heat resistance, and the drying temperature of the paper web needs to be extremely low. Absent.
- the expansion start temperature exceeds 2300 ° C., the heating temperature for expansion becomes too high, which may cause deterioration of the thermoplastic resin.
- the expansion start temperature of the heat-expandable particles preferably has a smaller difference from the melting point of the thermoplastic resin constituting the matrix. If the expansion start temperature of the heat-expandable particles is too lower than the melting point of the thermoplastic resin, the thermoplastic resin melts and flows around the reinforcing fibers, and the heat-expandable particles expand too much before adhering. That is not preferable. On the other hand, if the expansion start temperature is too high, it is necessary to heat to a high temperature in order to obtain a sufficient expansion thickness, which may deteriorate the thermoplastic resin. Therefore, the difference between the expansion start temperature of the heat-expandable particles and the melting point of the thermoplastic resin constituting the matrix is preferably within ⁇ 30 ° C.
- the heat-expandable particles preferably have a maximum expansion temperature higher than the melting point of the thermoplastic resin, and the temperature difference is more preferably within 50 ° C. here
- the maximum expansion temperature is a temperature at which the particle size of the heat-expandable particles becomes maximum when the temperature of the heat-expandable particles is increased by 10 ° CZ.
- Maximum expansion temperature of thermoplastic resin If the temperature is higher than the melting point, in order to obtain sufficient expansion, it is necessary to heat to a high temperature, which may deteriorate the thermoplastic resin.
- the basis weight of the web or the like of the present invention is preferably in the range of 100 to 1000 g Zm 2 .
- the basis weight of the Webu less than 100 g / m 2, when the expanded molded article, can not be obtained sufficient thickness, is because even reduced Oka IJ property, while in l OOO gZm 2 super, expansion molded product This is because it is difficult to reduce the weight.
- a more preferable basis weight is in the range of 100 to 700 g / m 2 , and further preferably 100 to 500 gZm 2 .
- the mixing ratio of the strong fiber and the thermoplastic resin constituting the web of the present invention varies depending on the specific gravity of the reinforcing fiber and the thermoplastic resin used and the content of other additives and colorants.
- the ratio of reinforcing fiber / thermoplastic resin is 3 to 97 to 60. The range is preferably / 30.
- the content of the calo-thermally expansible particles constituting the web or the like of the present invention is preferably 1 to 40 parts by mass with respect to 100 parts by mass in total of the reinforcing fibers and the thermoplastic resin. If the amount is less than 1 part by mass, the effect of improving the expansibility does not appear. Density decreases and Oka I reduces buckling resistance.
- the web of the present invention includes an antioxidant, a light stabilizer, a metal deactivator, a flame retardant, carbon black, and VOC adsorption.
- Additives such as chemicals, VOC degrading agents, deodorants, coloring agents, organic binders, etc. can be included as required.
- the additives and colorants mentioned above are contained, for example, by pre-coating on reinforcing fibers and thermoplastic resins, blending during mixing, or spraying the web and adding it. May be allowed Next, a method for producing a web, a stamped sheet and an expansion molded product according to the present invention will be described.
- the method for producing a web according to the present invention is produced by producing a foam liquid in which reinforcing fibers, a thermoplastic resin and heat-expandable particles are dispersed in a surfactant-containing aqueous medium containing microbubbles as a dispersion liquid.
- a foam liquid in which reinforcing fibers, a thermoplastic resin and heat-expandable particles are dispersed in a surfactant-containing aqueous medium containing microbubbles as a dispersion liquid.
- the specific gravity of the reinforcing fiber, thermoplastic resin, and heat-expandable particles will be different. It is separated into a non-uniform dispersion state, and when dehydrating, heat-expandable particles having a small particle diameter pass through the web and the yield decreases.
- the heat-expandable particles when dispersed and mixed in water containing a thickening agent or a flocculant, the heat-expandable particles will aggregate as described above.
- a foam liquid when used, strong fibers, thermoplastic resins, and heat-expandable particles are retained on the surface of the foam and are uniformly dispersed in the foam liquid, so that separation occurs during the transportation of the dispersion liquid. Absent.
- a dispersion (foam) containing reinforcing fibers, a thermoplastic resin, and heat-expandable particles is poured onto a porous support such as a papermaking screen, and from below the porous support.
- thermoplastic resin is in the form of particles such as powdered pellets and flakes
- the thermoplastic resin and heat-expandable particles are filtered by the filter effect of the reinforcing fibers and remain in the web.
- the particle diameter of the heat-expandable particles is smaller than that of the thermoplastic resin, the heat-expandable particles are deposited on the porous support side and are likely to be unevenly distributed.
- any of anionic, nonionic, and cationic surfactants may be used as the surfactant used in the foam making method.
- sodium dodecyl benzene sulfonate, palm oil fatty acid diethanolamide, and the like are preferable because they are excellent in the effect of uniformly dispersing the raw material mainly composed of reinforcing fiber and thermoplastic resin in the medium.
- the web obtained by foaming the above foam is under the condition that the heat-expandable particles are not expanded ( Temperature and time). That is, if the heat-expandable particles in the loop are swelled at the maximum in the drying stage, not only will the web handleability be reduced, but the heat-expandable particles will be crushed during compression when producing the stamped sheet. After that, there is a case where the expandability of the stamped sheet at the time of manufacturing the expansion molded product may be insufficient.
- the heating temperature for drying is 30 ° C or less from the maximum expansion temperature
- the heating time is ⁇ 2 X (maximum expansion temperature one expansion) when the heating temperature is less than the maximum expansion temperature. Start temperature) ⁇ min.
- the heating temperature is higher than the maximum expansion temperature, within ⁇ 3 0 0 / (heating temperature one maximum expansion temperature) ⁇ min and ⁇ 2 X (maximum expansion temperature one expansion start temperature) ⁇ It is preferred to be within minutes.
- the stampable sheet of the present invention is obtained by subjecting the web obtained by the above foaming to a soft saddle point of a thermoplastic resin or a force above the melting point of 0, under conditions where the heat-expandable particles do not undergo maximum expansion (temperature and time). After heating, pressurizing, and cooling and solidifying, the thermoplastic resin is melted to form a matrix, and the dispersed reinforcing fibers and the heat-expandable particles are sufficiently bonded by the melt-solidified thermoplastic resin. Manufacture by bonding.
- the conditions (temperature and time) without the maximum expansion are the same as the conditions described above.
- thermoplastic resin is not sufficiently fused to the reinforcing fibers and the heat-expandable particles, and the required strength cannot be obtained. Heating under conditions where the expandable particles do not swell up is the only reason for heating. If the heat-expandable particles are expanded to the maximum extent, not only the handling properties of the stampable sheet will be reduced, but also the heat-expandable particles will be crushed by the compression during the manufacture of the stampable sheet, and the subsequent expanded molded product This is because the expansibility required for the production of the product may not be obtained.
- the specific gravity of the stampable sheet is 0.3 or more as the pressurizing condition for producing the stampable sheet by applying heat to the web and melting the thermoplastic resin and then applying the pressure. If it is less than 0.3, the flowability of the thermoplastic resin is insufficient, and a structure in which reinforcing fibers and heat-expandable particles are dispersed in the thermoplastic resin as a matrix cannot be formed. More preferably, the specific gravity is 0.4 or more. However, if compressed too much, the reinforcing fibers may be broken or the sheet basis weight may be reduced (the sheet area increases and the thickness decreases), so compression is performed at a pressure below which the porosity is zero. It is preferable.
- the pressing of the web may be performed after the thermoplastic resin is melted, or heating and pressing may be performed simultaneously.
- Force [I pressure method includes a batch type intermittent press method, a continuous press method using a Teflon or steel belt, a roll press method, etc. Any method may be used.
- it may be pressurized while the thermoplastic resin is melted, then unloaded and expanded, and cooled in a thicker state than at the time of caloric pressure.
- the method of drying and heating the web at the same time, and pressurizing the bow one by one has a good production rate and is economical.
- the expansion-molded article of the present invention heats the stampable sheet produced as described above to a temperature equal to or higher than the softening temperature or melting point of the thermoplastic resin and the expansion start temperature of the heat-expandable particles.
- the expanded sheet is then fed into the mold, the mold is closed, the mold clearance is adjusted and then molded, and then cooled and solidified. To manufacture.
- the specific gravity of the expansion-molded product is preferably 0.03 or more and 0.2 or less as a whole. If the specific gravity is less than 0.03, the buckling resistance of the expansion molded product may be lowered. On the other hand, if it exceeds 0.2, it is necessary to increase the thickness in order to obtain the required rigidity, and it may not be possible to achieve light weight.
- the stretched molded article of the present invention has an overall specific gravity of 0.2 or less and an outer peripheral portion having a specific gravity of more than 0.2 is formed around it. This is because by having an outer peripheral portion with a specific gravity of 0.2 or more, not only can the heat-expandable particles be prevented from falling off, but also the tear strength is improved and the entire molded product is difficult to break.
- the expansion molded product of the present invention has almost no heat-expandable particles as a skin material having a design property! It is also possible to obtain an expansion-molded product in which the skin is bonded by laminating on the surface side and performing expansion molding and bonding with the skin material at the same time.
- the expansion molded product of the present invention has a high-density resin layer on at least one surface of the expansion molded product in order to further improve the strength characteristics such as buckling resistance and rigidity, and the p sounding characteristics. It may be formed.
- the high density resin layer is a resin layer having a lower porosity or no void than the inner layer portion of the expansion molded product.
- Conventionally known techniques can be used as a method of forming the high-density resin layer. For example, a method of impregnating at least one surface of a web, a stampable sheet, or an expansion-molded product with a liquid containing a resin that forms a high-density resin layer, or a molten high-density resin is pressed into a sheet shape. And a method of laminating and forming a resin sheet made of a high-density resin are suitable. Among them, the method of laminating resin sheets is preferable because it can be easily laminated on any of webs, stampable sheets, and expansion molded products.
- the thickness of the resin sheet is preferably 20 m or less, and more preferably 20 to 150 m in order to suppress an increase in weight.
- the resin sheet may be a sheet made of polypropylene, nylon, linear polyethylene, or the like, or a multilayer film in which they are stacked in two or more layers. Further, in order to obtain sound absorption, the sheet may be provided with a through hole with a needle punch or slit.
- Example 1 As a dispersion, 0.5 g / l of sodium dodecylbenzenesulfonate, a surfactant, is added to 1.5 liters of water, and a foam liquid containing microbubbles is prepared by stirring.
- Table 1 shows the reinforcements shown in Table 1 » ⁇ (carbon fiber, average diameter 7 ⁇ m, average length 13 ⁇ ) and thermoplastic resin (particulate polypropylene, average particle size 300 ⁇ ⁇ ) in dry mass in Table 2.
- the mixture was added at the indicated mixing ratio, and further heat-expandable particles were added, and the mixture was stirred for 10 minutes to be dispersed.
- this foam liquid is poured into a papermaking machine, sucked and degassed, and a web (foam papermaking) having a total weight of 400 gZm 2 of reinforced and thermoplastic resin and a weight of heat expandable particles of 30 g / m 2 Web).
- the porous support used for papermaking was one having an opening hole of 0.1 X0.2 mm.
- the web produced as described above was dried at a temperature of 120 ° C for 90 minutes, and then placed between press plates at 180 ° C. Pressed at IMP a pressure for 2 minutes. At this time, the clearance between the press panels was lmm, and the web was compressed to a specific gravity of 0.43. Subsequently, a web heated with calo heat was placed between the cooling plates, a clearance of 3 mm was provided, the cooling plate was closed, and cooling was performed to produce a stampable sheet (foam paper stamped sheet).
- stampable sheet foil paper stamped sheet
- this stampable sheet is heated to 190 ° C in a far-infrared heating furnace, the thermoplastic resin (polypropylene) is melted, the heat-expandable particles are expanded, and the mold is set with a clearance of 5 mm. Placed on top, compressed and cooled to produce an expansion molded product. Microscopic observation of the cross section of this expansion molded product revealed that the reinforcing fibers and the expanded heat expandable particles were bonded with a thermoplastic resin to form a dispersed structure. Like the web and stamped sheets, the heat expandable particles are A large amount was present in the vicinity of the surface of the expanded molded article on the porous support side, and it decreased as it went into the interior, and almost did not exist in the vicinity of the surface on the opposite side.
- the thermoplastic resin polypropylene
- this stampable sheet was heated to a temperature of 190 ° C in a far-infrared heating furnace, expanded in an unconstrained state, naturally cooled to produce an expanded sheet, and both sides of the expanded sheet were observed. However, both surfaces were smooth and smooth.
- the thickness of the expanded sheet was 10.4 mm.
- a test piece having a length of 15 Omm and a width of 5 Omm was taken from the above expansion-molded product.
- a three-point bending test was performed by applying a load from the density surface side, and the maximum load until buckling and the elastic gradient obtained from the initial slope of the load-displacement curve were measured.
- -Furthermore in accordance with JIS A1405: 1998, sound waves are incident perpendicularly to the surface side with less heat-expandable particles, that is, the surface on the high-density surface side, and the normal incident sound absorption coefficient in the state of the back air layer Omm Measurements were made.
- the surface of the porous support side of the cup is a two-layer film of polypropylene nylon (polypropylene (PP): thickness 5 only, melting point 165 ° C, MFR8 g / 10 min, Nylon (PA): 25 m thick, melting point 220 ° C) with polypropylene laminated on the web side.
- the other side of the web is 1 mm in diameter with a needle punch.
- linear polyethylene / polypropylene two-layer film obtained by processing the entire surface of the hole on 5 Z cm 2 (linear polyethylene (LLDPE): thickness 50 Myupaiiota, mp 120 ° C, MFR8 g / 10 min, poly
- MFR of the PP above is a value measured under conditions of 230 ° C and 21.17 N in accordance with JIS K6921-2: 1997.
- the stampable sheet obtained as described above is expanded by heating to 190 ° C in a far-infrared heating furnace, and is molded using a mold having a clearance set to 6 mm to obtain an expansion molded product. It was.
- a (high density) resin layer was present on both surfaces of the expansion molded article, and the inside of the resin layer was reinforced with a reinforcing fiber in a matrix made of a thermoplastic resin.
- the expanded heat-expandable particles are dispersed, the heat-expandable particles are mostly present on the porous support side, and hardly exist on the opposite side.
- the expansion molded article was subjected to the three-point bending test and the normal incident sound absorption coefficient in the same manner as in Example 1.
- the stampable sheet prepared in Example 2 was expanded by heating to 190 ° C in a far-infrared heating furnace, and then the surface side on which the linear polyethylene (LLDPE) film was laminated (What is the porous support side?) On the opposite side), a polyester non-woven fabric (weight per unit area: 200 g Zm 2 , thickness: 2 mm) is further laminated as the skin, and then expansion molding is performed using a mold with a clearance set to 8 mm. An expansion-molded product with an attached skin was obtained. When the skin of this expansion-molded product was peeled off by hand, it was confirmed that the skin was torn and the skin was sufficiently adhered.
- LLDPE linear polyethylene
- a (high density) resin layer was formed on the porous support side surface of the expansion molded product, and a skin layer and a (high density) resin layer were formed on the opposite surface.
- the inside of the resin layer has a structure in which reinforcing fibers and expanded heat-expandable particles are dispersed in a matrix made of a thermoplastic resin.
- the heat-expandable particles are porous support There were many on the body side and almost none on the other side.
- Example 1 5 g of water added to 1.5 liters of water was used as a dispersion. Used, carbon fiber and polypropylene were added to this dispersion at the blending ratio shown in Table 2, and further heat-expandable particles were added. As in Example 1, the total basis weight was 400 g / m 2, and the basis weight of the thermal expandable particles are prepared in 3 0 g / m 2 web.
- the reinforcing fibers were uniformly dispersed, but the heat-expandable particles were aggregated to form flocs, and the flocs were uniformly dispersed in the thickness direction.
- the stampable sheet was heated to 190 ° C. in a far-infrared heating furnace, expanded in an unconstrained state, and naturally cooled to produce an expanded sheet. Due to aggregation, both surfaces were severely uneven. Moreover, the thickness of this expansion sheet was only 9.2 mm.
- reinforced fiber carbon fiber (average diameter 7 ⁇ , average length 40 mm), thermoplastic resin (fibrous polypropylene (average diameter 17 ⁇ m, average length 20 mm)), Supply to the card machine at the mixing ratio shown in Table 2, defibrate, mix, and then perform 20 point Z cm 2 needling with a double dollar punch machine (felt needle No. 5).
- a web of g Zm 2 was prepared, and a sample of 300 x 300 mm was taken from the web.
- the above web sample is immersed in a solution having a solid content concentration of acrylic styrene-based emulsion of 1 mass% and heat-expandable particles of 20 mass%, and is compressed with a roll, and the heat-expandable particles are uniformly distributed to the inside. So that 2.7 g of heat-expandable particles remain.
- the web was dried at 120 ° C, carbon fiber was 1 60 g / m 2 , fibrous polypropylene was 2 4 0 g Zm 2 , and heat-expandable particles were 30 g / m 2 I made a web of two .
- Example 2 the web was heated at 180 ° C. for 5 minutes to melt the polypropylene.
- one side of the web had a polypropylene nylon 2-layer film (polypropylene (PP) : Thickness 40 ⁇ , Melting point 16 5 ° C, MFR 8 g / 10 min, Nylon (PA): Thickness 25 ⁇ , Melting point 2 20 ° C) is laminated so that polypropylene is on the web side.
- PP polypropylene
- PA Nylon
- LLDP E linear polyethylene
- LLDP E linear polyethylene
- the stampable sheet obtained as described above was heated to 190 ° C in a far-infrared heating furnace and subjected to expansion molding using a mold having a clearance set to 6 mm. Since the carbon fibers were tightly intertwined with each other by the needle punch, the amount of expansion was small, and a 4.8 mm expansion molded product was not insulted.
- Example above Table 2 shows the results of the three-point bending test carried out in -5. From these results, in the inventive examples (Examples 1 to 3), both the maximum load and the elastic gradient are high. On the other hand, the comparative example of Example 4 in which the heat-expandable particles aggregate and uniformly distribute, and the heat-expandable particles are uniformly distributed, and S In the comparative example of Example 5 in which needle marks remain on the surface of the molded product, sufficient bending strength and rigidity cannot be obtained.
- the expansion-molded product of the present invention is lightweight and excellent in sound absorption characteristics, and is excellent in mechanical strength and surface properties, so that it can be applied not only to the automotive field and the building materials field but also to the home appliance field.
Description
Claims
Priority Applications (6)
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KR1020107026413A KR101164472B1 (ko) | 2005-06-07 | 2006-06-07 | 웹, 스탬퍼블 시트 및 스탬퍼블 시트 팽창 성형품 그리고 이들의 제조 방법 |
EP06747291.0A EP1897990B1 (en) | 2005-06-07 | 2006-06-07 | Web, stampable sheet, expansion-molded stampable sheet, and process for producing these |
US11/916,894 US8491754B2 (en) | 2005-06-07 | 2006-06-07 | Web, stampable sheet and stampable sheet expanded product as well as method of producing the same |
CN2006800204712A CN101194070B (zh) | 2005-06-07 | 2006-06-07 | 网状物、冲压成型片材、冲压成型片材膨胀成形品以及它们的制造方法 |
KR1020087000165A KR101168194B1 (ko) | 2005-06-07 | 2006-06-07 | 웹, 스탬퍼블 시트 및 스탬퍼블 시트 팽창 성형품 |
US13/933,878 US8815056B2 (en) | 2005-06-07 | 2013-07-02 | Web on stampable sheet and method of making |
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US13/933,878 Continuation US8815056B2 (en) | 2005-06-07 | 2013-07-02 | Web on stampable sheet and method of making |
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Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4920909B2 (ja) | 2005-06-07 | 2012-04-18 | ケープラシート株式会社 | ウェブ、スタンパブルシートおよびスタンパブルシート膨張成形品ならびにこれらの製造方法 |
ES2397359T3 (es) * | 2005-08-31 | 2013-03-06 | Tetra Laval Holdings & Finance Sa | Material de envasado estratificado |
JP4328822B1 (ja) * | 2008-03-28 | 2009-09-09 | 中川産業株式会社 | 車両内装用熱膨張性基材の製造方法及びそれを用いた車両内装用基材の製造方法 |
JP2010112267A (ja) * | 2008-11-06 | 2010-05-20 | Ibiden Co Ltd | マット材および排気ガス処理装置 |
JP4590483B1 (ja) | 2009-08-07 | 2010-12-01 | 中川産業株式会社 | 車両内装用熱膨張性基材の製造方法及びそれを用いた車両内装用基材の製造方法 |
CN102218866B (zh) * | 2010-04-02 | 2014-12-24 | 株式会社广谷 | 车辆用内饰材的制造方法 |
JP5994713B2 (ja) * | 2012-05-28 | 2016-09-21 | トヨタ紡織株式会社 | 車両用部品 |
FI127679B (en) * | 2015-01-29 | 2018-11-30 | Teknologian Tutkimuskeskus Vtt Oy | Thermoplastic fibrous materials and the process for their manufacture |
US11328590B2 (en) * | 2015-10-29 | 2022-05-10 | InterNetwork Media, LLC | System and method for internet radio automatic content management |
AU2016350780B2 (en) | 2015-11-03 | 2020-09-10 | Kimberly-Clark Worldwide, Inc. | Paper tissue with high bulk and low lint |
FI129075B (fi) | 2016-03-24 | 2021-06-30 | Paptic Ltd | Menetelmä luonnonkuituja ja synteettisiä kuituja sisältävän kuituradan valmistamiseksi |
US11090899B2 (en) | 2016-05-26 | 2021-08-17 | Hanwha Azdel, Inc. | Prepregs, cores and composite articles including powder coated layers |
DE112017005698T5 (de) | 2016-12-22 | 2019-07-25 | Kimberly-Clark Worldwide, Inc. | Verfahren und System zum Neuausrichten von Fasern in einem Schaumbildungsprozess |
MX2020004101A (es) | 2017-11-29 | 2020-07-24 | Kimberly Clark Co | Lamina fibrosa con propiedades mejoradas. |
CN114701109A (zh) * | 2017-12-28 | 2022-07-05 | 卡西欧计算机株式会社 | 造形物的制造方法以及产品 |
JP7261048B2 (ja) * | 2018-03-16 | 2023-04-19 | 積水化学工業株式会社 | 熱膨張性シート及び熱膨張性シートの製造方法 |
WO2020023027A1 (en) | 2018-07-25 | 2020-01-30 | Kimberly-Clark Worldwide, Inc. | Process for making three-dimensional foam-laid nonwovens |
US11920015B2 (en) | 2018-12-13 | 2024-03-05 | K-Plasheet Corporation | Web, stampable sheet, and expansion molded product |
JP2023515216A (ja) * | 2020-02-27 | 2023-04-12 | ハンファ アズデル インコーポレイテッド | 軽量強化熱可塑性物品を製造するための方法およびシステム |
CN111794017A (zh) * | 2020-06-29 | 2020-10-20 | 快思瑞科技(上海)有限公司 | 一种高挺度纸浆模塑缓冲材料及其制备方法 |
JP7432552B2 (ja) * | 2021-03-31 | 2024-02-16 | イビデン株式会社 | マット材、排ガス浄化装置及びマット材の製造方法 |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60158227A (ja) * | 1984-01-06 | 1985-08-19 | ザ・ウイギンズ・テイープ・グループ・リミテツド | 繊維強化プラスチツク構造体およびその製造方法 |
JPS60179234A (ja) | 1984-01-06 | 1985-09-13 | ザ・ウイギンズ・テイ−プ・グル−プ・リミテツド | 繊維強化合成樹脂成形品およびその製造方法 |
JPH0245135A (ja) | 1988-08-05 | 1990-02-15 | Sekisui Chem Co Ltd | 自動車用内装材及びその製造方法 |
JPH0550523A (ja) * | 1991-08-26 | 1993-03-02 | Teijin Ltd | 軽量複合成形物の製造方法 |
JPH07314442A (ja) | 1994-05-30 | 1995-12-05 | Kawasaki Steel Corp | 軽量スタンパブルシートおよびその製造方法 |
JPH09136969A (ja) * | 1995-11-16 | 1997-05-27 | Kawasaki Steel Corp | 繊維強化熱可塑性樹脂シートの湿式製造方法及び装置 |
JPH1072798A (ja) | 1996-08-26 | 1998-03-17 | Nitto Boseki Co Ltd | 鉱物質繊維板の製造方法 |
JP2000328494A (ja) | 1999-03-15 | 2000-11-28 | Unitika Ltd | 複合シート、軽量な繊維強化プラスチック製成形体及びそれらの製造方法 |
JP2002069898A (ja) * | 2000-09-06 | 2002-03-08 | Daio Paper Corp | ファイル・ホルダー用紙及びその製造方法 |
JP2003003398A (ja) * | 2001-06-22 | 2003-01-08 | Oji Paper Co Ltd | 低密度紙 |
US20050112305A1 (en) | 1997-02-26 | 2005-05-26 | Fort James Corporation | Coated paperboards and paperboard containers having improved tactile and bulk insulation properties |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4020123A (en) * | 1974-12-11 | 1977-04-26 | Celanese Corporation | Polyamine coating compositions |
JPS5823573B2 (ja) | 1978-07-05 | 1983-05-16 | 株式会社京三製作所 | 計量装置付き区分棚 |
CN1032472C (zh) * | 1985-04-01 | 1996-08-07 | 威景铁有限公司 | 纤维增强的塑料结构的改进 |
US5215627A (en) * | 1986-07-31 | 1993-06-01 | The Wiggins Teape Group Limited | Method of making a water laid fibrous web containing one or more fine powders |
US5800676A (en) * | 1996-08-26 | 1998-09-01 | Nitto Boseki Co., Ltd. | Method for manufacturing a mineral fiber panel |
JP4920909B2 (ja) | 2005-06-07 | 2012-04-18 | ケープラシート株式会社 | ウェブ、スタンパブルシートおよびスタンパブルシート膨張成形品ならびにこれらの製造方法 |
-
2005
- 2005-06-07 JP JP2005166414A patent/JP4920909B2/ja active Active
-
2006
- 2006-06-07 CN CN2006800204712A patent/CN101194070B/zh active Active
- 2006-06-07 EP EP06747291.0A patent/EP1897990B1/en active Active
- 2006-06-07 KR KR1020107026413A patent/KR101164472B1/ko active IP Right Grant
- 2006-06-07 US US11/916,894 patent/US8491754B2/en active Active
- 2006-06-07 WO PCT/JP2006/311885 patent/WO2006132423A1/ja active Application Filing
- 2006-06-07 KR KR1020087000165A patent/KR101168194B1/ko active IP Right Grant
-
2013
- 2013-07-02 US US13/933,878 patent/US8815056B2/en active Active
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60158227A (ja) * | 1984-01-06 | 1985-08-19 | ザ・ウイギンズ・テイープ・グループ・リミテツド | 繊維強化プラスチツク構造体およびその製造方法 |
JPS60179234A (ja) | 1984-01-06 | 1985-09-13 | ザ・ウイギンズ・テイ−プ・グル−プ・リミテツド | 繊維強化合成樹脂成形品およびその製造方法 |
JPH0245135A (ja) | 1988-08-05 | 1990-02-15 | Sekisui Chem Co Ltd | 自動車用内装材及びその製造方法 |
JPH0550523A (ja) * | 1991-08-26 | 1993-03-02 | Teijin Ltd | 軽量複合成形物の製造方法 |
JPH07314442A (ja) | 1994-05-30 | 1995-12-05 | Kawasaki Steel Corp | 軽量スタンパブルシートおよびその製造方法 |
JPH09136969A (ja) * | 1995-11-16 | 1997-05-27 | Kawasaki Steel Corp | 繊維強化熱可塑性樹脂シートの湿式製造方法及び装置 |
US5888352A (en) | 1995-11-16 | 1999-03-30 | Kawasaki Steel Corporation | Apparatus for wet manufacturing fiber reinforced thermoplastic resin sheet |
JPH1072798A (ja) | 1996-08-26 | 1998-03-17 | Nitto Boseki Co Ltd | 鉱物質繊維板の製造方法 |
US20050112305A1 (en) | 1997-02-26 | 2005-05-26 | Fort James Corporation | Coated paperboards and paperboard containers having improved tactile and bulk insulation properties |
JP2000328494A (ja) | 1999-03-15 | 2000-11-28 | Unitika Ltd | 複合シート、軽量な繊維強化プラスチック製成形体及びそれらの製造方法 |
JP2002069898A (ja) * | 2000-09-06 | 2002-03-08 | Daio Paper Corp | ファイル・ホルダー用紙及びその製造方法 |
JP2003003398A (ja) * | 2001-06-22 | 2003-01-08 | Oji Paper Co Ltd | 低密度紙 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1897990A4 * |
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Publication number | Publication date |
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EP1897990B1 (en) | 2014-03-12 |
CN101194070A (zh) | 2008-06-04 |
US20130295370A1 (en) | 2013-11-07 |
JP4920909B2 (ja) | 2012-04-18 |
KR101168194B1 (ko) | 2012-07-25 |
US8815056B2 (en) | 2014-08-26 |
US8491754B2 (en) | 2013-07-23 |
KR20080024188A (ko) | 2008-03-17 |
JP2006342437A (ja) | 2006-12-21 |
KR101164472B1 (ko) | 2012-07-18 |
KR20100131527A (ko) | 2010-12-15 |
EP1897990A1 (en) | 2008-03-12 |
US20090223644A1 (en) | 2009-09-10 |
EP1897990A4 (en) | 2011-08-31 |
CN101194070B (zh) | 2012-11-14 |
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