JP2020151969A5 - - Google Patents
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- JP2020151969A5 JP2020151969A5 JP2019052567A JP2019052567A JP2020151969A5 JP 2020151969 A5 JP2020151969 A5 JP 2020151969A5 JP 2019052567 A JP2019052567 A JP 2019052567A JP 2019052567 A JP2019052567 A JP 2019052567A JP 2020151969 A5 JP2020151969 A5 JP 2020151969A5
- Authority
- JP
- Japan
- Prior art keywords
- base material
- intermediate base
- nanocellulose
- thermoplastic resin
- group
- Prior art date
- Legal status (The legal status 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 status listed.)
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- 239000000463 material Substances 0.000 claims description 63
- 239000000835 fiber Substances 0.000 claims description 29
- 230000003014 reinforcing Effects 0.000 claims description 28
- 229920005992 thermoplastic resin Polymers 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 125000000524 functional group Chemical group 0.000 claims description 7
- 150000007942 carboxylates Chemical group 0.000 claims description 5
- 125000003277 amino group Chemical group 0.000 claims description 4
- 125000003158 alcohol group Chemical group 0.000 claims description 3
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 3
- 229920001046 Nanocellulose Polymers 0.000 claims 24
- 239000006185 dispersion Substances 0.000 claims 10
- 229920000049 Carbon (fiber) Polymers 0.000 claims 4
- 239000004952 Polyamide Substances 0.000 claims 4
- 239000004917 carbon fiber Substances 0.000 claims 4
- 239000011248 coating agent Substances 0.000 claims 4
- 238000000576 coating method Methods 0.000 claims 4
- 239000002612 dispersion media Substances 0.000 claims 4
- 229920002647 polyamide Polymers 0.000 claims 4
- 239000011528 polyamide (building material) Substances 0.000 claims 4
- 229920005989 resin Polymers 0.000 claims 4
- 239000011347 resin Substances 0.000 claims 4
- 229920002292 Nylon 6 Polymers 0.000 claims 2
- 229920002678 cellulose Polymers 0.000 claims 2
- 239000001913 cellulose Substances 0.000 claims 2
- 239000002131 composite material Substances 0.000 claims 2
- 238000001035 drying Methods 0.000 claims 2
- 238000002844 melting Methods 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 2
- 239000002121 nanofiber Substances 0.000 claims 2
- 239000002245 particle Substances 0.000 claims 2
- 239000000843 powder Substances 0.000 claims 2
- 210000003666 Nerve Fibers, Myelinated Anatomy 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 238000000465 moulding Methods 0.000 claims 1
- 239000000758 substrate Substances 0.000 claims 1
- 230000002411 adverse Effects 0.000 description 1
Description
更に、上記官能基は、第１方法によって製造される中間基材から製造される成形体の特性に何らかの悪影響を及ぼさない限り、当該成形体の製造過程において、第２の熱可塑性樹脂及び／又は強化繊維との反応により第２の熱可塑性樹脂及び／又は強化繊維を構成する分子との共有結合を生成することができる官能基であってもよい。このような官能基の具体例としては、例えば、アルコール基、（第１級、第２級、第３級、及び第４級のアミノ基を含む）アミノ基、カルボキシ基、カルボキシレート基、及びカルボニル等を挙げることができる。 Further, the functional group is a second thermoplastic resin and / or in the manufacturing process of the molded product, as long as it does not adversely affect the characteristics of the molded product produced from the intermediate base material produced by the first method. It may be a functional group capable of forming a covalent bond with the second thermoplastic resin and / or the molecule constituting the reinforcing fiber by the reaction with the reinforcing fiber. Specific examples of such functional groups include, for example, alcohol groups, amino groups (including primary, secondary, tertiary, and quaternary amino groups), carboxy groups, carboxylate groups, and Examples include carbonyl and the like.
Claims (19)
第１の熱可塑性樹脂及び前記ナノセルロースが分散媒に分散されている分散液であるナノセルロース分散液を調製すること、
前記ナノセルロース分散液を前記強化繊維の表面の少なくとも一部に塗布すること、
前記強化繊維の表面の少なくとも一部に塗布された前記ナノセルロース分散液を乾燥させて前記分散媒を除去することにより、前記第１の熱可塑性樹脂の中に前記ナノセルロースが分散されている部分である第１部分が前記強化繊維の表面の少なくとも一部に形成された被覆強化繊維を調製すること、並びに
前記被覆強化繊維と第２の熱可塑性樹脂とを組み合わせて前記中間基材を調製すること、
を含む、
中間基材の製造方法。 A method for producing an intermediate base material containing a base material which is a thermoplastic resin, nanocellulose, and reinforcing fibers.
To prepare a nanocellulose dispersion, which is a dispersion in which the first thermoplastic resin and the nanocellulose are dispersed in a dispersion medium.
Applying the nanocellulose dispersion to at least a part of the surface of the reinforcing fiber,
A portion in which the nanocellulose is dispersed in the first thermoplastic resin by drying the nanocellulose dispersion liquid applied to at least a part of the surface of the reinforcing fiber to remove the dispersion medium. To prepare a coated reinforcing fiber in which the first portion is formed on at least a part of the surface of the reinforcing fiber, and to prepare the intermediate base material by combining the coated reinforcing fiber and the second thermoplastic resin. thing,
including,
Method for manufacturing intermediate base material.
第２の熱可塑性樹脂である第２母材と強化繊維とを含む部分である第２部分と、
を含む、
中間基材の製造方法であって、
前記第１の熱可塑性樹脂及び前記ナノセルロースが分散媒に分散されている分散液であるナノセルロース分散液を調製すること、
前記ナノセルロース分散液を前記第２部分の表面の少なくとも一部に塗布すること、並びに
前記第２部分の表面の少なくとも一部に塗布された前記ナノセルロース分散液を乾燥させて前記分散媒を除去することにより、前記第２部分の表面の少なくとも一部に前記第１部分が形成された前記中間基材を調製すること、
を含む、
中間基材の製造方法。 The first part, which is the part where nanocellulose is dispersed in the first base material, which is the first thermoplastic resin,
A second portion, which is a portion containing a second base material which is a second thermoplastic resin and reinforcing fibers, and
including,
It is a method for manufacturing an intermediate base material.
To prepare a nanocellulose dispersion, which is a dispersion in which the first thermoplastic resin and the nanocellulose are dispersed in a dispersion medium.
The nanocellulose dispersion is applied to at least a part of the surface of the second portion, and the nanocellulose dispersion applied to at least a part of the surface of the second portion is dried to remove the dispersion medium. By doing so, the intermediate base material having the first portion formed on at least a part of the surface of the second portion can be prepared.
including,
Method for manufacturing intermediate base material.
前記ナノセルロース分散液を乾燥させる工程において、前記第１の熱可塑性樹脂が少なくとも部分的に熔融する温度において前記ナノセルロース分散液を乾燥させる、
中間基材の製造方法。 The method for producing an intermediate base material according to claim 1 or 2.
In the step of drying the nanocellulose dispersion, the nanocellulose dispersion is dried at a temperature at which the first thermoplastic resin is at least partially melted.
Method for manufacturing intermediate base material.
前記ナノセルロースはセルロースナノファイバであり、
前記強化繊維は炭素繊維（ＣＦ）であり、
前記第１の熱可塑性樹脂及び前記第２の熱可塑性樹脂は何れもポリアミド系樹脂であり、
前記ナノセルロースは、カルボキシレートアニオン基、スルホネートアニオン基、アルコール基、アミノ基、カルボキシ基、カルボキシレート基、及びカルボニル基からなる群より選ばれる少なくとも１つの官能基を含む官能基によって修飾されている、
中間基材。 Includes a first portion, which is a portion in which nanocellulose is dispersed in a first base material, which is a first thermoplastic resin, a second base material, which is a second thermoplastic resin, and reinforcing fibers. See,
The nanocellulose is a cellulose nanofiber and is
The reinforcing fiber is carbon fiber (CF) and is
The first thermoplastic resin and the second thermoplastic resin are both polyamide-based resins.
The nanocellulose is modified with a functional group containing at least one functional group selected from the group consisting of a carboxylate anion group, a sulfonate anion group, an alcohol group, an amino group, a carboxy group, a carboxylate group, and a carbonyl group. ,
Intermediate base material.
前記第１の熱可塑性樹脂は共重合ポリアミド樹脂であり、
前記第２の熱可塑性樹脂はポリアミド６であり、
前記ナノセルロースは、カルボキシレート基によって修飾されている、
中間基材。 The intermediate base material according to claim 4 , wherein the intermediate base material is used.
The first thermoplastic resin is a copolymerized polyamide resin, and is
The second thermoplastic resin is polyamide 6 and
The nanocellulose is modified with a carboxylate group,
Intermediate base material.
前記強化繊維の表面の少なくとも一部に前記第１部分が形成されてなる被覆強化繊維と、前記第２母材と、を含む、中間基材。 The intermediate base material according to claim 4 or 5 .
An intermediate base material containing a coated reinforcing fiber having the first portion formed on at least a part of the surface of the reinforcing fiber and the second base material.
前記被覆強化繊維が前記第２母材の中に分散されている、
中間基材。 The intermediate base material according to claim 6 .
The coating reinforcing fibers are dispersed in the second base material,
Intermediate base material.
前記第２母材からなる繊維と前記被覆強化繊維との混合物として構成されている、
中間基材。 The intermediate base material according to claim 6 .
It is composed of a mixture of the fiber made of the second base material and the coating reinforcing fiber.
Intermediate base material.
前記被覆強化繊維からなる層と前記第２母材からなる層との積層体として構成されている、
中間基材。 The intermediate base material according to claim 6 .
It is configured as a laminate of the layer made of the coating reinforcing fiber and the layer made of the second base material.
Intermediate base material.
前記被覆強化繊維からなる層が前記第２母材によって少なくとも部分的に含浸されている、
中間基材。 The intermediate base material according to claim 6 .
The layer of coated reinforcing fibers is at least partially impregnated with the second base material.
Intermediate base material.
前記第２母材からなる粉末又は粒子と前記被覆強化繊維との混合物として構成されている、
中間基材。 The intermediate base material according to claim 6 .
It is composed of a powder or particles made of the second base material and a mixture of the coating reinforcing fibers.
Intermediate base material.
前記第２母材と前記強化繊維とを含む部分である第２部分が形成されており、
前記第２部分の少なくとも一部の表面に前記第１部分が形成されている、
中間基材。 The intermediate base material according to claim 4 or 5 .
A second portion, which is a portion including the second base material and the reinforcing fiber, is formed.
The first portion is formed on the surface of at least a part of the second portion.
Intermediate base material.
前記第２部分は、前記第２母材の中に前記強化繊維が分散されている部分として構成されている、
中間基材。 The intermediate base material according to claim 12 , wherein the intermediate base material is used.
The second portion is configured as a portion in which the reinforcing fibers are dispersed in the second base material.
Intermediate base material.
前記第２部分は、前記第２母材からなる繊維と前記強化繊維とが混合されている部分として構成されている、
中間基材。 The intermediate base material according to claim 12 , wherein the intermediate base material is used.
The second portion is configured as a portion in which the fiber made of the second base material and the reinforcing fiber are mixed.
Intermediate base material.
前記第２部分は、前記強化繊維からなる層が前記第２母材によって少なくとも部分的に含浸された部分として構成されている、
中間基材。 The intermediate base material according to claim 12 , wherein the intermediate base material is used.
The second portion is configured as a portion in which the layer made of the reinforcing fibers is at least partially impregnated with the second base material.
Intermediate base material.
前記第２部分は、前記第２母材からなる粉末又は粒子と前記強化繊維とが混合されている部分として構成されている、
中間基材。 The intermediate base material according to claim 12 , wherein the intermediate base material is used.
The second portion is configured as a portion in which the powder or particles made of the second base material and the reinforcing fibers are mixed.
Intermediate base material.
請求項４乃至請求項１６の何れか１項に記載された中間基材を前記第１母材の融点及び前記第２母材の融点のうち高い方の融点以上の所定の温度に加熱すること、及び
前記所定の温度及び所定の圧力において前記中間基材を成形すること、
を含む、
成形体の製造方法。 It is formed of a composite material containing a base material which is a thermoplastic resin, reinforcing fibers, and nanocellulose, and the nanocellulose is disposed at least a part of the interface between the base material and the reinforcing fibers. This is a method for manufacturing molded products.
The intermediate base material according to any one of claims 4 to 16 is heated to a predetermined temperature equal to or higher than the melting point of the first base material and the melting point of the second base material, whichever is higher. , And molding the intermediate substrate at the predetermined temperature and pressure.
including,
A method for manufacturing a molded product.
前記強化繊維と前記母材との界面の少なくとも一部に前記ナノセルロースが配設されており、
前記ナノセルロースはセルロースナノファイバであり、
前記強化繊維は炭素繊維（ＣＦ）であり、
前記第１の熱可塑性樹脂及び前記第２の熱可塑性樹脂は何れもポリアミド系樹脂であり、
前記ナノセルロースは、カルボキシレートアニオン基、スルホネートアニオン基、アルコール基、アミノ基、カルボキシ基、カルボキシレート基、及びカルボニル基からなる群より選ばれる少なくとも１つの官能基を含む官能基によって修飾されている、
成形体。 It is formed of a composite material containing a base material, which is a thermoplastic resin, reinforcing fibers, and nanocellulose.
The nanocellulose is disposed at least a part of the interface between the reinforcing fiber and the base material .
The nanocellulose is a cellulose nanofiber and is
The reinforcing fiber is carbon fiber (CF) and is
The first thermoplastic resin and the second thermoplastic resin are both polyamide-based resins.
The nanocellulose is modified with a functional group containing at least one functional group selected from the group consisting of a carboxylate anion group, a sulfonate anion group, an alcohol group, an amino group, a carboxy group, a carboxylate group, and a carbonyl group. ,
Molded body.
前記母材は共重合ポリアミド樹脂及びポリアミド６を含み、
前記ナノセルロースは、カルボキシレート基によって修飾されている、
成形体。 The molded product according to claim 18 .
The base material contains a copolymerized polyamide resin and a polyamide 6.
The nanocellulose is modified with a carboxylate group,
Molded body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019052567A JP7113432B2 (en) | 2019-03-20 | 2019-03-20 | Method for producing intermediate base material and molded article made of composite material containing thermoplastic resin and reinforcing fiber, and said intermediate base material and said molded article |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019052567A JP7113432B2 (en) | 2019-03-20 | 2019-03-20 | Method for producing intermediate base material and molded article made of composite material containing thermoplastic resin and reinforcing fiber, and said intermediate base material and said molded article |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2020151969A JP2020151969A (en) | 2020-09-24 |
| JP2020151969A5 true JP2020151969A5 (en) | 2020-12-17 |
| JP7113432B2 JP7113432B2 (en) | 2022-08-05 |
Family
ID=72557227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019052567A Active JP7113432B2 (en) | 2019-03-20 | 2019-03-20 | Method for producing intermediate base material and molded article made of composite material containing thermoplastic resin and reinforcing fiber, and said intermediate base material and said molded article |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP7113432B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7239251B2 (en) * | 2019-10-31 | 2023-03-14 | グローブライド株式会社 | Fiber-reinforced prepreg and its manufacturing method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2816073B1 (en) * | 2012-02-17 | 2016-10-19 | DIC Corporation | Fiber-reinforced resin composite body, and reinforced matrix resin for fiber-reinforced resin |
| JP6478093B2 (en) * | 2014-10-09 | 2019-03-06 | Dic株式会社 | Fiber sizing agent |
| JP6785547B2 (en) * | 2015-12-08 | 2020-11-18 | 三菱製紙株式会社 | Carbon fiber reinforced thermoplastic resin composite |
| JP6718244B2 (en) * | 2016-01-29 | 2020-07-08 | 三菱製紙株式会社 | Recycled carbon fiber reinforced thermoplastic resin composite |
| JP2017172083A (en) * | 2016-03-25 | 2017-09-28 | 三菱製紙株式会社 | Carbon short fiber nonwoven fabric and composite |
| EP3505561B1 (en) * | 2016-08-29 | 2022-01-19 | Nippon Sheet Glass Company, Limited | Resin-reinforcing filler and resin composition |
| WO2018235905A1 (en) * | 2017-06-22 | 2018-12-27 | 国立大学法人京都大学 | Fiber-reinforced resin composition, fiber-reinforced molded body and method for producing same |
| JP2019198962A (en) * | 2018-05-14 | 2019-11-21 | 日本電気硝子株式会社 | Method for producing fiber-reinforced resin component |
-
2019
- 2019-03-20 JP JP2019052567A patent/JP7113432B2/en active Active
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