CN110102704B - 一种改性酚醛树脂基覆膜砂及其制备方法 - Google Patents
一种改性酚醛树脂基覆膜砂及其制备方法 Download PDFInfo
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- CN110102704B CN110102704B CN201910449290.0A CN201910449290A CN110102704B CN 110102704 B CN110102704 B CN 110102704B CN 201910449290 A CN201910449290 A CN 201910449290A CN 110102704 B CN110102704 B CN 110102704B
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- Prior art keywords
- phenolic resin
- modified phenolic
- precoated sand
- sand
- resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
- B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
- B22C1/20—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents
- B22C1/22—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of resins or rosins
- B22C1/2233—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of resins or rosins obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- B22C1/2246—Condensation polymers of aldehydes and ketones
- B22C1/2253—Condensation polymers of aldehydes and ketones with phenols
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Mold Materials And Core Materials (AREA)
Abstract
Description
实施例 | 抗拉强度/MPa | 抗弯强度/MPa | 发气量/mL g<sup>-1</sup> | 耐热时间/s |
实施例1 | 4.5 | 14.2 | 15 | 210 |
实施例2 | 4.2 | 15.1 | 15 | 223 |
实施例3 | 4.2 | 13.9 | 14 | 202 |
实施例4 | 4.0 | 13.9 | 13 | 215 |
实施例5 | 4.4 | 14.8 | 16 | 198 |
对比实施例1 | 3.3 | 10.1 | 23 | 173 |
Claims (5)
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CN201910449290.0A CN110102704B (zh) | 2019-05-28 | 2019-05-28 | 一种改性酚醛树脂基覆膜砂及其制备方法 |
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CN201910449290.0A CN110102704B (zh) | 2019-05-28 | 2019-05-28 | 一种改性酚醛树脂基覆膜砂及其制备方法 |
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CN110102704A CN110102704A (zh) | 2019-08-09 |
CN110102704B true CN110102704B (zh) | 2020-12-18 |
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Citations (12)
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JPH05311143A (ja) * | 1992-05-12 | 1993-11-22 | Ube Ind Ltd | 耐熱性樹脂接着剤 |
CN102604020A (zh) * | 2012-03-14 | 2012-07-25 | 沙县宏盛塑料有限公司 | 一种硼改性酚醛树脂及其制备方法 |
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CN105837770A (zh) * | 2016-05-09 | 2016-08-10 | 盐城仁创砂业科技有限公司 | 一种铸造用改性酚醛树脂及其制作方法 |
CN105968705A (zh) * | 2016-05-17 | 2016-09-28 | 中国科学院化学研究所 | 一种硅硼改性酚醛树脂及其制备方法 |
CN106543391A (zh) * | 2016-12-08 | 2017-03-29 | 陕西环珂生物科技有限公司 | 一种双改性硼硅酚醛树脂的制备方法 |
CN108421953A (zh) * | 2018-03-12 | 2018-08-21 | 重庆方汀机械制造有限责任公司 | 一种覆膜砂及其制备方法 |
CN108746476A (zh) * | 2018-05-15 | 2018-11-06 | 王召惠 | 一种改性酚醛树脂基覆膜砂的制备方法 |
-
2019
- 2019-05-28 CN CN201910449290.0A patent/CN110102704B/zh active Active
Patent Citations (12)
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JPH05311143A (ja) * | 1992-05-12 | 1993-11-22 | Ube Ind Ltd | 耐熱性樹脂接着剤 |
CN102604020A (zh) * | 2012-03-14 | 2012-07-25 | 沙县宏盛塑料有限公司 | 一种硼改性酚醛树脂及其制备方法 |
CN102688979A (zh) * | 2012-06-26 | 2012-09-26 | 长沙南托造型材料有限公司 | 一种长保质期覆膜砂及其生产方法 |
CN105732924A (zh) * | 2014-12-11 | 2016-07-06 | 上海尖端工程材料有限公司 | 一种硼改性酚醛树脂的制备方法 |
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CN105131877A (zh) * | 2015-08-24 | 2015-12-09 | 江西省科学院应用化学研究所 | 一种硅烷改性酚醛树脂胶黏剂 |
CN105837770A (zh) * | 2016-05-09 | 2016-08-10 | 盐城仁创砂业科技有限公司 | 一种铸造用改性酚醛树脂及其制作方法 |
CN105968705A (zh) * | 2016-05-17 | 2016-09-28 | 中国科学院化学研究所 | 一种硅硼改性酚醛树脂及其制备方法 |
CN106543391A (zh) * | 2016-12-08 | 2017-03-29 | 陕西环珂生物科技有限公司 | 一种双改性硼硅酚醛树脂的制备方法 |
CN108421953A (zh) * | 2018-03-12 | 2018-08-21 | 重庆方汀机械制造有限责任公司 | 一种覆膜砂及其制备方法 |
CN108746476A (zh) * | 2018-05-15 | 2018-11-06 | 王召惠 | 一种改性酚醛树脂基覆膜砂的制备方法 |
Non-Patent Citations (1)
Title |
---|
提高酚醛树脂耐热性能的主要途径;张大勇等;《黑龙江科学》;20111031(第05期);33-36 * |
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Denomination of invention: A modified phenolic resin based coated sand and its preparation method Effective date of registration: 20220520 Granted publication date: 20201218 Pledgee: Agricultural Bank of China Limited Shaxian sub branch Pledgor: SHAXIAN HONGSHENG PLASTIC Co.,Ltd. Registration number: Y2022350000055 |
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Date of cancellation: 20221010 Granted publication date: 20201218 Pledgee: Agricultural Bank of China Limited Shaxian sub branch Pledgor: SHAXIAN HONGSHENG PLASTIC Co.,Ltd. Registration number: Y2022350000055 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A modified phenolic resin based coated sand and its preparation method Effective date of registration: 20230928 Granted publication date: 20201218 Pledgee: Agricultural Bank of China Limited Sanming Sha County Branch Pledgor: SHAXIAN HONGSHENG PLASTIC Co.,Ltd. Registration number: Y2023350000211 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |