CN101534909A - Buffer layer for strings - Google Patents

Buffer layer for strings Download PDF

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Publication number
CN101534909A
CN101534909A CNA2007800427039A CN200780042703A CN101534909A CN 101534909 A CN101534909 A CN 101534909A CN A2007800427039 A CNA2007800427039 A CN A2007800427039A CN 200780042703 A CN200780042703 A CN 200780042703A CN 101534909 A CN101534909 A CN 101534909A
Authority
CN
China
Prior art keywords
coating
nylon
composite
cushion
cladding wire
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.)
Pending
Application number
CNA2007800427039A
Other languages
Chinese (zh)
Inventor
Z·雅尼弗
李运钧
茅东升
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Applied Nanotech Holdings Inc
Nano Propietary Inc
Original Assignee
Applied Nanotech Holdings Inc
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 Applied Nanotech Holdings Inc filed Critical Applied Nanotech Holdings Inc
Publication of CN101534909A publication Critical patent/CN101534909A/en
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B51/00—Stringing tennis, badminton or like rackets; Strings therefor; Maintenance of racket strings
    • A63B51/02—Strings; String substitutes; Products applied on strings, e.g. for protection against humidity or wear
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/02—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/16—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics
    • D07B1/162—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics characterised by a plastic or rubber enveloping sheathing
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/16—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics
    • D07B1/165—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics characterised by a plastic or rubber inlay
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10D—STRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
    • G10D3/00—Details of, or accessories for, stringed musical instruments, e.g. slide-bars
    • G10D3/10—Strings
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/10—Rope or cable structures
    • D07B2201/1028—Rope or cable structures characterised by the number of strands
    • D07B2201/1036—Rope or cable structures characterised by the number of strands nine or more strands respectively forming multiple layers
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2071—Spacers
    • D07B2201/2074—Spacers in radial direction
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2083—Jackets or coverings
    • D07B2201/2087—Jackets or coverings being of the coated type
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2205/00—Rope or cable materials
    • D07B2205/10—Natural organic materials
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2205/00—Rope or cable materials
    • D07B2205/20—Organic high polymers
    • D07B2205/2046—Polyamides, e.g. nylons
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2205/00—Rope or cable materials
    • D07B2205/30—Inorganic materials
    • D07B2205/3007—Carbon
    • 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
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y10T428/2936—Wound or wrapped core or coating [i.e., spiral or helical]

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  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Ropes Or Cables (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Paints Or Removers (AREA)

Abstract

A thin buffer layer (303) is used to coat on the multi-filament (401) wrapped string to fill the gaps. The polymers of the buffer-layer coating have a high melt-flow (low viscosity) during coating process to fill all the gaps between the filaments, and the filaments are fixed by the coatings onto base core materials.

Description

The cushion of line
The application requires the U.S. interim patent sequence number No.60/866,199 priority, and the content of this provisional application is incorporated into this paper by reference.
Background technology
The line (string) that is used for sports equipment (as tennis racket (raquet)) or musical instrument (string) applies skim in its outmost surface usually, to improve its durability, rotation, sense of touch etc.Past is used polyamide (nylon), polyester and other polymer-coated on line always.The physical property of the nylon 6 nano-composite that nano composite material such as clay and CNT strengthen is better than pure nylon 6, and nano composite material is the coating material of the potential high durable line with other functions.Since the 1980s, studied the enhancing polymer composites (referring to United States Patent (USP) the 4th, 739, No. 007) of the nanoscale clay particle that uses high-aspect-ratio.Line is the polymeric material of sandwich construction normally, and described sandwich construction is as follows: core silk, the cladding wire on the core silk, and coating.To having the line of sandwich construction, require coating material and base material coupling and have good melt flowability (acceptable viscosity) in uniform temperature, coating material can be infiltrated in the space between the cladding wire.The viscosity of nano composite material is usually above the viscosity of pure nylon 6 under same temperature conditions.Therefore, nano composite material is not easy to infiltrate the space between the cladding wire.Fig. 1 illustrates the SEM image in cross section of the nano composite material of nylon 6/ clay that is coated on the cladding wire.Can find out that by this image nano composite material fills the space with failing.Stay many defectives in online, cause the line durability defective.Described space makes coating chipping or cause the durability of coating defective during the spheroid HI high impact.In addition, owing to produce the space, coating can't be with on the fixing online core material of silk.Fig. 2 illustrates line is carried out HI high impact test back cracked material on silk and the coating.
The accompanying drawing summary
Fig. 1 illustrates the SEM image in cross section of the nano composite material of nylon 6/ clay that is coated on the cladding wire;
Fig. 2 illustrates the SEM image that line is carried out HI high impact test back cracked material on silk and the coating;
Fig. 3 A illustrates the cross section of the core silk that is surrounded by cladding wire;
Fig. 3 B illustrates the cushion that is applied on the cladding wire;
Fig. 3 C illustrates the coating that is applied on the cushion; With
Fig. 4 illustrates another embodiment of the invention.
Detailed Description Of The Invention
Though the physical property/mechanical performance of polymer nanocomposites is higher than the straight polymer material, composite extrude or coating procedure in have higher viscosity or melt flows usually.For addressing the above problem, use thin cushion to be coated on the line that coats multi-filament to fill the space.The polymer of cushion coating has higher melt flows (low viscosity) in coating procedure, to fill all spaces between the silk, silk is fixed on the core base material by coating.
Embodiment 1: the coating system with nylon 6 cushions
Fig. 3 A illustrates the cross section of the line that is used to apply, this line by a monofilament core 301 and coat many of this core more the silk 302 of minor diameter form.Pellet (the name of product: UBE SF 1018 A) carry out fusion of the pure nylon 6 that will obtain from UBE industrial group.Apply cushion coating 303 220-270 ℃ of temperature range by expressing technique.The thickness of this cushion 303 can be the 10-100 micron.Space between the multi-filament 302 is filled by pure nylon 6 coatings fully.
Then, 240-280 ℃ of temperature range, by expressing technique wear-resistant coating 304.Can use nylon 6/ clay or nylon 6/ carbon nanotube composite materials as abrasion-resistant coating material 304.The nylon 6 nano-composite that makes by in-situ polymerization can contain 4% nanoclay filler.Other nylon 6 nano-composites that make by the fusion mixing procedure also can be used for wear-resistant coating 304.Except clay, can also use CNT, ceramic particle such as SiO 2And Al 2O 3, or glass particle prepares nylon 6 nano-composite.Nylon 6 nano-composite can also carry out modification with rubber modifier, to improve ductility and toughness.The thickness of wear-resistant coating can be the 1-100 micron.
Embodiment 2: the coating system with nylon 11 cushion
Referring to Fig. 3 A, the line that is used to apply is to be coated with many more monofilament cores of the silk 302 of minor diameter again.Pure nylon 11 can obtain from ARKEMA company.Nylon 11 has good melt flows in the temperature more than 220 ℃.Good impact strength and shear strength also make nylon 11 become good cushioning layer material.In Fig. 3 B,, apply cushion coating 303 by expressing technique 190-270 ℃ of temperature range.
The thickness of cushion 303 can be the 10-100 micron.Space between the multi-filament 302 is filled by pure nylon 11 coating fully.
Referring to Fig. 3 C, then 240-280 ℃ of temperature range, by expressing technique wear-resistant coating 304.Can use nylon 6/ clay or nylon 6/ carbon nanotube composite materials as abrasion-resistant coating material 304.The nylon 6 nano-composite that makes by in-situ polymerization can contain 4% nanoclay filler.Other nylon 6 nano-composites that make by the fusion mixing procedure also can be used for wear-resistant coating 304.Nylon 6 nano-composite can also carry out modification with rubber modifier, to improve ductility and toughness.The thickness of wear-resistant coating 304 can be the 1-100 micron.
Except on line the applying coating, adopting applying coating on the online surface of additive method by expressing technique, for example, the method for spraying, dip-coating, spin coating, brushing, japanning and dipping.Nylon 6 nano-composite is being higher than 190 ℃ of temperature fusions, and extrudes, on line applying coating.Nylon 6 nano-composite is dissolvable in water in the solvent such as formic acid, and under room temperature or rising temperature by spraying, dip-coating, spin coating, brushing, japanning and dipping, applying coating on line.Then, desolvate by removing as the subsequent process of method of evaporating.
Fig. 4 illustrates another embodiment of the present invention.Basically on the coating line structure of Fig. 3 C, coat the more multi-filament 401 of minor diameter then again.190-270 ℃ of temperature range,, apply and layer 303 similar cushion coating 402 by expressing technique.The thickness of cushion 402 can be the 10-100 micron.Space between the multi-filament 401 is filled by pure nylon 11 coating fully.Then 240-280 ℃ of temperature range, by expressing technique wear-resistant coating 403.Can use nylon 6/ clay or nylon 6/ carbon nanotube composite materials as abrasion-resistant coating material 403.The nylon 6 nano-composite that makes by in-situ polymerization can contain 4% nanoclay filler.Other nylon 6 nano-composites that make by the fusion mixing procedure also can be used for wear-resistant coating 403.Nylon 6 nano-composite can also carry out modification with rubber modifier, to improve ductility and toughness.The thickness of wear-resistant coating 403 can be the 1-100 micron.

Claims (19)

1. coating that is used for line, it comprises:
The core silk is coated with the cladding wire of many diameters less than this core silk;
Cushion coating, described cushion coating be filled between the cladding wire and cladding wire and core silk between the space in; With
Cover the external coating on cushion coating, cladding wire and the core silk.
2. coating as claimed in claim 1 is characterized in that, described cushion coating comprises polymer.
3. coating as claimed in claim 1 is characterized in that, described cushion coating comprises nylon.
4. coating as claimed in claim 3 is characterized in that, described cushion coating comprises nylon 6.
5. coating as claimed in claim 3 is characterized in that, described cushion coating comprises nylon 11.
6. coating as claimed in claim 3 is characterized in that described cushion coating comprises the composite of nylon and clay nano particle.
7. coating as claimed in claim 3 is characterized in that described external coating comprises the composite of nylon and CNT.
8. coating as claimed in claim 6 is characterized in that described external coating also comprises modifier.
9. method that line is applied, this method comprises:
Coat the core silk with first diameter with one or more cladding wire with second diameter, described second diameter is less than first diameter;
Melted nylon is expressed in the space and the space between cladding wire and the core silk between one or more cladding wire;
With coating extrude online around, coating is covered on one or more cladding wire and the melted nylon in described space.
10. method as claimed in claim 9 is characterized in that described melted nylon comprises nylon 6.
11. method as claimed in claim 9 is characterized in that, described melted nylon comprises nylon 11.
12. method as claimed in claim 9 is characterized in that, described coating comprises the composite of nylon and clay nano particle.
13. method as claimed in claim 9 is characterized in that, described coating comprises the composite of nylon and CNT.
14. method as claimed in claim 9 is characterized in that, described coating comprises the composite of nylon and ceramic particle.
15. method as claimed in claim 9 is characterized in that, described coating comprises the composite of nylon and glass particle.
16. method as claimed in claim 9 is characterized in that, the thickness of described coating is the 1-100 micron.
17. coating as claimed in claim 1 is characterized in that, this method also comprises:
Around external coating, coat another many cladding wires;
Fill another cushion coating in the space between another many cladding wires; With
On another cushion coating, cover another external coating.
18. coating as claimed in claim 3 is characterized in that, described coating comprises the composite of nylon and glass particle.
19. coating as claimed in claim 3 is characterized in that, described coating comprises the composite of nylon and ceramic particle.
CNA2007800427039A 2006-11-16 2007-11-16 Buffer layer for strings Pending CN101534909A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US86619906P 2006-11-16 2006-11-16
US60/866,199 2006-11-16

Publications (1)

Publication Number Publication Date
CN101534909A true CN101534909A (en) 2009-09-16

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Family Applications (1)

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CNA2007800427039A Pending CN101534909A (en) 2006-11-16 2007-11-16 Buffer layer for strings

Country Status (7)

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US (1) US20080124546A1 (en)
EP (1) EP2083928B1 (en)
JP (1) JP2010510400A (en)
CN (1) CN101534909A (en)
AT (1) ATE530230T1 (en)
TW (1) TW200840890A (en)
WO (1) WO2008061229A1 (en)

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CN104043233A (en) * 2014-05-21 2014-09-17 安徽梦谷纤维材料科技有限公司 Method for preparing badminton racket string
CN104620312A (en) * 2012-09-04 2015-05-13 丹麦拉森琴弦公司 Acoustic dampening for musical strings; use, method, and string
CN108348806A (en) * 2015-11-12 2018-07-31 尤尼克斯株式会社 Racket cable
CN109069906A (en) * 2016-04-18 2018-12-21 尤尼克斯株式会社 Racket string
CN111868325A (en) * 2018-03-26 2020-10-30 布顿国际有限公司 Synthetic fiber rope

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104620312A (en) * 2012-09-04 2015-05-13 丹麦拉森琴弦公司 Acoustic dampening for musical strings; use, method, and string
US9728169B2 (en) 2012-09-04 2017-08-08 Larsen Strings A/S Acoustic dampening for musical strings; use, method, and string
CN104043233A (en) * 2014-05-21 2014-09-17 安徽梦谷纤维材料科技有限公司 Method for preparing badminton racket string
CN108348806A (en) * 2015-11-12 2018-07-31 尤尼克斯株式会社 Racket cable
CN108348806B (en) * 2015-11-12 2020-08-18 尤尼克斯株式会社 Tennis racket string
CN109069906A (en) * 2016-04-18 2018-12-21 尤尼克斯株式会社 Racket string
CN111868325A (en) * 2018-03-26 2020-10-30 布顿国际有限公司 Synthetic fiber rope

Also Published As

Publication number Publication date
JP2010510400A (en) 2010-04-02
ATE530230T1 (en) 2011-11-15
TW200840890A (en) 2008-10-16
WO2008061229A1 (en) 2008-05-22
EP2083928A1 (en) 2009-08-05
WO2008061229A9 (en) 2008-08-21
US20080124546A1 (en) 2008-05-29
EP2083928B1 (en) 2011-10-26

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