CN108752547A - 酚醛树脂多元醇的合成方法 - Google Patents

酚醛树脂多元醇的合成方法 Download PDF

Info

Publication number
CN108752547A
CN108752547A CN201810644758.7A CN201810644758A CN108752547A CN 108752547 A CN108752547 A CN 108752547A CN 201810644758 A CN201810644758 A CN 201810644758A CN 108752547 A CN108752547 A CN 108752547A
Authority
CN
China
Prior art keywords
phenol
reaction
warming
added
formaldehyde
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
CN201810644758.7A
Other languages
English (en)
Inventor
刘其廷
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.)
Sihui City Joint Plastic Technology Co Ltd
Original Assignee
Sihui City Joint Plastic Technology Co 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 Sihui City Joint Plastic Technology Co Ltd filed Critical Sihui City Joint Plastic Technology Co Ltd
Priority to CN201810644758.7A priority Critical patent/CN108752547A/zh
Publication of CN108752547A publication Critical patent/CN108752547A/zh
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
    • C08G8/04—Condensation polymers of aldehydes or ketones with phenols only of aldehydes
    • C08G8/08—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ
    • C08G8/10—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ with phenol
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
    • C08G8/28—Chemically modified polycondensates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Phenolic Resins Or Amino Resins (AREA)

Abstract

高效酚醛树脂多元醇的合成方法，按照一定比例称取甲醛与苯酚放入圆底四口反应瓶中，加入酸性催化剂，升温至60℃并保持1.0h左右，再升温至90℃继续反应至浊点，结束反应，并降至室温加碱中和至中性，然后经脱水、脱游离苯酚、过滤，得酚醛树脂多元醇PF‑1。1.2.2改性酚醛树脂多元醇的合成按照一定比例称取甲醛与苯酚放入圆底四口反应瓶中，加入酸性催化剂，升温至60℃并保持1.0h左右，再升温至90℃继续反应至浊点，降低温度至75℃，加过量碱至体系为碱性并加入二异丙醇胺，在75℃保持2.0h左右，结束反应，降至室温，加酸调节体系为中性，然后经脱水、脱游离苯酚、过滤，得酚醛树脂多元醇PF‑2。

Description

酚醛树脂多元醇的合成方法
技术领域
本发明涉及塑料技术领域，尤其是酚醛树脂多元醇的合成方法。
背景技术
现有酚醛树脂多元醇的合成方法速率较慢。
发明内容
针对现有技术的不足，本发明提供一种高效酚醛树脂多元醇的合成方法。
本发明的技术方案为：
高效酚醛树脂多元醇的合成方法，其特征在于：按照一定比例称取甲醛与苯酚放入圆底四口反应瓶中，加入酸性催化剂，升温至60℃并保持1.0h左右，再升温至90℃继续反应至浊点，结束反应，并降至室温加碱中和至中性，然后经脱水、脱游离苯酚、过滤，得酚醛树脂多元醇PF-1。1.2.2改性酚醛树脂多元醇的合成按照一定比例称取甲醛与苯酚放入圆底四口反应瓶中，加入酸性催化剂，升温至60℃并保持1.0h左右，再升温至90℃继续反应至浊点，降低温度至75℃，加过量碱至体系为碱性并加入二异丙醇胺，在75℃保持2.0h左右，结束反应，降至室温，加酸调节体系为中性，然后经脱水、脱游离苯酚、过滤，得酚醛树脂多元醇PF-2。
本发明的有益效果为：可高效制备酚醛树脂多元醇的合成方法。
具体实施方式
下面结合具体实施方式作进一步说明：
高效酚醛树脂多元醇的合成方法，其特征在于：按照一定比例称取甲醛与苯酚放入圆底四口反应瓶中，加入酸性催化剂，升温至60℃并保持1.0h左右，再升温至90℃继续反应至浊点，结束反应，并降至室温加碱中和至中性，然后经脱水、脱游离苯酚、过滤，得酚醛树脂多元醇PF-1。1.2.2改性酚醛树脂多元醇的合成按照一定比例称取甲醛与苯酚放入圆底四口反应瓶中，加入酸性催化剂，升温至60℃并保持1.0h左右，再升温至90℃继续反应至浊点，降低温度至75℃，加过量碱至体系为碱性并加入二异丙醇胺，在75℃保持2.0h左右，结束反应，降至室温，加酸调节体系为中性，然后经脱水、脱游离苯酚、过滤，得酚醛树脂多元醇PF-2。
上述实施例和说明书中描述的只是说明本发明的原理和最佳实施例，在不脱离本发明精神和范围的前提下，本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。

Claims (1)

1.高效酚醛树脂多元醇的合成方法，其特征在于：按照一定比例称取甲醛与苯酚放入圆底四口反应瓶中，加入酸性催化剂，升温至60℃并保持1.0h左右，再升温至90℃继续反应至浊点，结束反应，并降至室温加碱中和至中性，然后经脱水、脱游离苯酚、过滤，得酚醛树脂多元醇PF-1，1.2.2改性酚醛树脂多元醇的合成按照一定比例称取甲醛与苯酚放入圆底四口反应瓶中，加入酸性催化剂，升温至60℃并保持1.0h左右，再升温至90℃继续反应至浊点，降低温度至75℃，加过量碱至体系为碱性并加入二异丙醇胺，在75℃保持2.0h左右，结束反应，降至室温，加酸调节体系为中性，然后经脱水、脱游离苯酚、过滤，得酚醛树脂多元醇PF-2。
CN201810644758.7A 2018-06-21 2018-06-21 酚醛树脂多元醇的合成方法 Pending CN108752547A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810644758.7A CN108752547A (zh) 2018-06-21 2018-06-21 酚醛树脂多元醇的合成方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810644758.7A CN108752547A (zh) 2018-06-21 2018-06-21 酚醛树脂多元醇的合成方法

Publications (1)

Publication Number Publication Date
CN108752547A true CN108752547A (zh) 2018-11-06

Family

ID=63979918

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810644758.7A Pending CN108752547A (zh) 2018-06-21 2018-06-21 酚醛树脂多元醇的合成方法

Country Status (1)

Country Link
CN (1) CN108752547A (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110054751A (zh) * 2019-04-23 2019-07-26 徐州工程学院 一种自控温阻燃聚氨酯保温材料及其制备方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110054751A (zh) * 2019-04-23 2019-07-26 徐州工程学院 一种自控温阻燃聚氨酯保温材料及其制备方法

Similar Documents

Publication Publication Date Title
CN103755906B (zh) 一种低游离甲醛脲醛树脂的制备方法
CN108752547A (zh) 酚醛树脂多元醇的合成方法
ATE553073T1 (de) Verfahren zur herstellung eines harzes mit geringer formaldehydabspaltung für mineralfasern
CN105037671A (zh) 一种低糠醇含量久存放铸造用呋喃树脂及其制备方法
CN109251471A (zh) 磷酸三腰果酚酯增韧改性剂和制备方法及其应用
RU2005128516A (ru) Бесцветные водные фенолформальдегидные резолы и способы их получения
ES406073A1 (es) Procedimiento para la obtencion de resinas aminoplastos.
CN111909332A (zh) 一种固体热固性酚醛树脂及其合成方法
CN106729687A (zh) 一种猪蓝耳病灭活疫苗制备方法
GB1172131A (en) Moulding Compositions based on Phenolic Resins
CN103803853A (zh) 砂基种植槽的制备方法
CN208554132U (zh) 一种用于树脂生产的快速冷却反应釜
Kim et al. Optimal conditions for in vitro maturation of marmoset oocytes
Wang Research on coupling degree of health human capital investment and urbanization in China
JPS5566914A (en) Preparation of resol resin
CN205097396U (zh) 一种塑料造粒机
BAE et al. Risk factors for recurrence of febrile seizure in children
Che et al. Analysis of nutritional status and influence factors in PICU children with mechanical ventilation
JPS57166976A (en) Dehydration of agricultural, aquatic, or livestock product
JPS56102939A (en) Carrier for hydrodesulfurization catalyst
Dee Yersinia pseudotuberculosis: Pathogen of abortion of cattle.
FR2251585A1 (en) Curable resin binder for glass fibre fleeces - by reacting phenol-formaldehyde, and neutralising with phosphoric-sulphuric acid
SU66873A1 (ru) Способ получени фенолформальдегидных смол
JPS55116611A (en) Manufacture of porous glassy carbon body
Hikmet Lead absorption in battery workers

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20181106