CN109334054A - Peek材料退火方法 - Google Patents

Peek材料退火方法 Download PDF

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Publication number
CN109334054A
CN109334054A CN201811550405.7A CN201811550405A CN109334054A CN 109334054 A CN109334054 A CN 109334054A CN 201811550405 A CN201811550405 A CN 201811550405A CN 109334054 A CN109334054 A CN 109334054A
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China
Prior art keywords
peek
anneal
metal tube
pipe
stick
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
CN201811550405.7A
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English (en)
Inventor
杨文光
靳予
孙克原
王孝刚
夏炎
陈朝曦
林丰
焦小东
陈佩民
徐小曼
刘雪梅
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.)
Nanjing Runte New Material Co Ltd
Nanjing Kent Composites Ltd By Share Ltd
Original Assignee
Nanjing Runte New Material Co Ltd
Nanjing Kent Composites Ltd By Share Ltd
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 Nanjing Runte New Material Co Ltd, Nanjing Kent Composites Ltd By Share Ltd filed Critical Nanjing Runte New Material Co Ltd
Priority to CN201811550405.7A priority Critical patent/CN109334054A/zh
Publication of CN109334054A publication Critical patent/CN109334054A/zh
Priority to PCT/CN2019/123912 priority patent/WO2020125466A1/zh
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C71/00After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/02Thermal after-treatment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C71/00After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/02Thermal after-treatment
    • B29C2071/022Annealing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2071/00Use of polyethers, e.g. PEEK, i.e. polyether-etherketone or PEK, i.e. polyetherketone or derivatives thereof, as moulding material

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

本发明公开了一种PEEK材料退火方法,其步骤为:将PEEK材料挤出成棒状或管状,然后置于金属管内退火。本发明将PEEK棒或PEEK管置于金属管内退火,可以有效提高退火后PEEK棒或PEEK管的性能,金属管升温及降温速度快,易于控制,且能节约能源。

Description

PEEK材料退火方法
技术领域
本发明涉及PEEK材料退火方法,属于复合材料技术领域。
背景技术
PEEK制品在薄厚的交接部位,厚的部位降温慢,薄的部位降温快,则连接处会发生不均匀收缩,导致应力集中。在有金属镶件的四周,这种现象更明显。如不进行退火处理,过段时间,在应力集中部位会产生裂纹,甚至开裂或者变形。因此PEEK制品在制备过程中需要进行退火处理,以消除内应力,提高制件的结晶度,从而提高其强度和耐化学性,最终获得最佳的尺寸稳定性。退火方法一般是把制品浸在热水中,或在热风循环中,但是置于热风中退火温度分布不够均匀,置于热水中退火升温或降温所需的热量过大。
发明内容
本发明的目的是提供一种PEEK材料退火方法,可以有效提高退火后PEEK材料的性能。
为达到上述目的,本发明采用的技术方案为:一种PEEK材料退火方法,其步骤为:将PEEK材料挤出成棒状或管状,然后置于金属管内退火。
优选的,所述金属管的长度大于或等于PEEK棒或PEEK管的长度,使得PEEK棒或PEEK管可以完全处于金属管内,所述金属管的内径略大于PEEK棒或PEEK管的外径,以便于将PEEK棒或PEEK管放进或取出。
优选的,所述PEEK材料为PEEK单体材料或PEEK复合材料。
优选的,所述金属管为无缝钢管。
优选的,所述退火步骤为将金属管及管内的PEEK棒或PEEK管升温至180~260℃,升温速率8~30℃/h;恒温保温;然后降至150℃~室温后取出,降温速率2~12℃/h。
优选的,恒温保温时间为按产品的壁厚每毫米保温0.5~2h。
本发明将PEEK棒或PEEK管置于金属管内退火,处于一个均匀的退火氛围中,退火效果更佳,可以有效提高退火后PEEK棒或PEEK管的性能。金属管升温及降温速度快,易于控制,且只需要保证金属管的小范围内温度统一,可以有效节约能源。
具体实施方式
实施例1
一种PEEK材料退火方法,其步骤为:将PEEK材料挤出成棒状或者管状,然后置于金属管内退火,金属管首选无缝钢管,制作成本低,不易变形,可反复使用,也可使用其他金属管,例如无缝铝管、铜管等。所述金属管的长度大于或等于PEEK棒或PEEK管的长度,所述金属管的内径略大于PEEK棒或PEEK管的外径,退火步骤为将金属管及管内的PEEK棒或PEEK管升温至180~260℃,升温速率8~30℃/h;恒温保温,时间为按产品的壁厚每毫米保温0.5~2h;然后降至150℃~室温后取出,降温速率2~12℃/h。
对制得的PEEK材料进行性能测试,测试结果见表1。其中表1中的PEEK棒直径为12mm,管内退火和普通退火各升温、保温、降温条件均相同,升温速率为10℃/h,升温至220℃,保温12h,降温速率为10℃/h,降至室温取出。
表1 PEEK材料性能测试

Claims (6)

1.一种PEEK材料退火方法,其步骤为:将PEEK材料挤出成棒状或管状,然后置于金属管内退火。
2.根据权利要求1所述的PEEK材料退火方法,其特征在于:所述金属管的长度大于或等于PEEK棒或PEEK管的长度,所述金属管的内径略大于PEEK棒或PEEK管的外径。
3.根据权利要求2所述的PEEK材料退火方法,其特征在于:所述PEEK材料为PEEK单体材料或PEEK复合材料。
4.根据权利要求3所述的PEEK材料退火方法,其特征在于:所述金属管为无缝钢管。
5.根据权利要求1-4中任一项所述的PEEK材料退火方法,其特征在于:所述退火步骤为将金属管及管内的PEEK棒或PEEK管升温至180~260℃,升温速率8~30℃/h;恒温保温;然后降至150℃~室温后取出,降温速率2~12℃/h。
6.根据权利要求5所述的PEEK材料退火方法,其特征在于:恒温保温时间为按产品的壁厚每毫米保温0.5~2h。
CN201811550405.7A 2018-12-18 2018-12-18 Peek材料退火方法 Pending CN109334054A (zh)

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CN201811550405.7A CN109334054A (zh) 2018-12-18 2018-12-18 Peek材料退火方法
PCT/CN2019/123912 WO2020125466A1 (zh) 2018-12-18 2019-12-09 Peek材料退火方法

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CN201811550405.7A CN109334054A (zh) 2018-12-18 2018-12-18 Peek材料退火方法

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CN109334054A true CN109334054A (zh) 2019-02-15

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WO (1) WO2020125466A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020125466A1 (zh) * 2018-12-18 2020-06-25 南京肯特复合材料股份有限公司 Peek材料退火方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101157268A (zh) * 2007-10-10 2008-04-09 长春吉大特塑工程研究有限公司 一种聚醚醚酮棒材的制备方法

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JPH0688354B2 (ja) * 1988-08-24 1994-11-09 フクビ化学工業株式会社 Peek樹脂パイプの製造方法
US20100101295A1 (en) * 2008-10-28 2010-04-29 Warsaw Orthopedic, Inc. Isulated sheath for bending polymer-based rod
CN102676756B (zh) * 2012-04-24 2014-03-12 中国科学院宁波材料技术与工程研究所 一种磁场热处理用管式退火炉
CN103722718A (zh) * 2013-12-25 2014-04-16 深圳市恩欣龙特种工程塑料有限公司 一种peek塑料棒生产设备及工艺
CN205614920U (zh) * 2016-04-29 2016-10-05 常州市永邦塑业有限公司 Peek管材模压模具
CN109334054A (zh) * 2018-12-18 2019-02-15 南京肯特复合材料股份有限公司 Peek材料退火方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101157268A (zh) * 2007-10-10 2008-04-09 长春吉大特塑工程研究有限公司 一种聚醚醚酮棒材的制备方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020125466A1 (zh) * 2018-12-18 2020-06-25 南京肯特复合材料股份有限公司 Peek材料退火方法

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