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CN1321060C - Preparation method for zinc borate - Google Patents

Preparation method for zinc borate Download PDF

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Publication number
CN1321060C
CN1321060C CNB2004100609228A CN200410060922A CN1321060C CN 1321060 C CN1321060 C CN 1321060C CN B2004100609228 A CNB2004100609228 A CN B2004100609228A CN 200410060922 A CN200410060922 A CN 200410060922A CN 1321060 C CN1321060 C CN 1321060C
Authority
CN
China
Prior art keywords
zinc borate
water
preparation
product
zinc oxide
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.)
Expired - Fee Related
Application number
CNB2004100609228A
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Chinese (zh)
Other versions
CN1603237A (en
Inventor
袁良杰
时喜喜
李明
孙聚堂
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Wuhan University WHU
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Wuhan University WHU
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
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Priority to CNB2004100609228A priority Critical patent/CN1321060C/en
Publication of CN1603237A publication Critical patent/CN1603237A/en
Application granted granted Critical
Publication of CN1321060C publication Critical patent/CN1321060C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The present invention discloses a preparation method for zinc borate. In the method, boracic acid and zinc oxide are uniformly mixed firstly; then, the zinc oxide and the boracic acid are poured into a reaction container, water is added to the reaction container, and the boracic acid, the zinc oxide and the water are stirred and prepared into the rheologic state; the reaction container is closed, and the temperature of the reaction container is constant for some time at a certain temperature; after the container is cooled to the room temperature, a product is taken out to be dried. The preparation method for zinc borate of the present invention has the advantages of simple technology and no need of filtration or water washing after the reaction; the product is used for a flame retardant material and can also be used in daily chemical industry, biological medicine, etc.

Description

The preparation method of zinc borate
Technical field
The invention belongs to technical field of inorganic material, more specifically relate to a kind of preparation method of zinc borate, this product is used for fire retardant material, also can be used for fields such as daily-use chemical industry, biological medicine.
Background technology
According to bibliographical information, the existing method for preparing zinc borate mainly contains following several: be raw material with borax and zinc sulfate 1,, stir synthetic zinc borate in heated in water solution.Owing to two kinds of by products are arranged in this method reaction process, make separation circuit numerous and diverse [USP 3,649,172]; 2, be that raw material synthesizes zinc borate with zinc hydroxide and boric acid.This method needs on-site preparation zinc hydroxide [GB 1,348,900]; 3, be raw material with zinc oxide and boric acid, heated in water solution stir synthetic zinc borate [Zou Xuhua. the study on the synthesis [J] of BACN zinc borate (2335). use chemical industry, 2001,30 (2): 32~33].This method need add excessive boric acid in proportioning, with method 1 the same filtration, the water washing process of needing equally, although mother liquor can reuse, but the problem that exists boron loss and water to discharge.
Summary of the invention
The object of the present invention is to provide a kind of preparation method of zinc borate.This method technological process simply, neither needs to filter, and does not also need water washing process, the reaction yield height.Products obtained therefrom purity height, there is not by product.
In order to realize that the technical measures that purpose of the present invention is taked are:
A kind of method for preparing zinc borate: 1) zinc oxide and boric acid (mol ratio is 1: 3) are mixed; 2) pour in the reaction vessel, add a certain amount of water (amount of water be zinc oxide and boric acid total mass 0.01%~60%), stir and be mixed with rheology attitude (the rheology attitude is non-ly consolidated non-liquid state for what is made up of zinc oxide, boric acid and water); 3) reaction vessel is airtight, and under 60~100 ℃ of temperature constant temperature 6~12 hours, reaction vessel is an encloses container; 4) treat that container is chilled to 20~30 ℃ of room temperatures after, take out product, 120~140 ℃ of oven dry down, promptly obtain the zinc borate product.5) preparation process does not need to filter, do not need washing.
Compared with prior art, the beneficial effect that adopts technical scheme of the present invention and reached:
Preparation method's technological process of the present invention is simple, does not need filtration, water washing process, and the reaction yield height is near 100%.Production process is accomplished zero release, is particularly suitable for industrial production.This product is used for fire retardant material, also can be used for fields such as daily-use chemical industry, biological medicine.
Embodiment
Example 1: take by weighing 3.24 gram zinc oxide and 7.24 gram boric acid respectively, after the mixing, add 6.00g water, be modulated into the rheology attitude, change in the encloses container in 80 ℃ of reactions 12 hours, be chilled to room temperature after, take out reaction product, directly oven dry obtains needed zinc borate product.
Example 2: take by weighing 1.62 gram zinc oxide and 3.71 gram boric acid respectively, after the mixing, add 0.05g water, be modulated into the rheology attitude, change in the encloses container in 100 ℃ of reactions 6 hours, be chilled to room temperature after, take out reaction product, directly oven dry obtains needed zinc borate product.
Example 3: take by weighing 3.24 gram zinc oxide and 7.24 gram boric acid respectively, after the mixing, add 6.00g water, be modulated into the rheology attitude, change in the non-encloses container in 80 ℃ of reactions 12 hours, be chilled to room temperature after, take out reaction product, directly oven dry can not get needed zinc borate product.

Claims (2)

1、一种硼酸锌的制备方法,包括下列步骤:1, a kind of preparation method of zinc borate, comprises the following steps: A、将氧化锌和硼酸混合均匀,摩尔比为1∶3;A, zinc oxide and boric acid are mixed uniformly, and the molar ratio is 1: 3; B、倒入反应容器,加入水,水的量为氧化锌和硼酸总质量的0.01%~60%,搅拌配制成流变态;B, pour into reaction vessel, add water, the amount of water is 0.01%~60% of the total mass of zinc oxide and boric acid, stirring and preparing rheological metamorphosis; C、将反应容器密闭,在60~100℃温度下恒温6~12小时;C. Seal the reaction vessel and keep the temperature at 60-100°C for 6-12 hours; D、待容器冷至室温20~30℃后,取出产物,不经过滤和水洗,在120~140℃下烘干,即得到硼酸锌产品。D. After the container is cooled to room temperature of 20-30°C, take out the product, dry it at 120-140°C without filtering and washing with water, and obtain the zinc borate product. 2、根据权利要求1所述的一种硼酸锌的制备方法,其特征在于反应容器为密闭容器。2. A method for preparing zinc borate according to claim 1, characterized in that the reaction vessel is a closed vessel.
CNB2004100609228A 2004-09-30 2004-09-30 Preparation method for zinc borate Expired - Fee Related CN1321060C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2004100609228A CN1321060C (en) 2004-09-30 2004-09-30 Preparation method for zinc borate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2004100609228A CN1321060C (en) 2004-09-30 2004-09-30 Preparation method for zinc borate

Publications (2)

Publication Number Publication Date
CN1603237A CN1603237A (en) 2005-04-06
CN1321060C true CN1321060C (en) 2007-06-13

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1789135B (en) * 2005-12-12 2011-01-26 中国科学院青海盐湖研究所 Hydrothermal method for preparation of shape-controllable low-hydrate zinc borate powder
CN100398441C (en) * 2006-07-07 2008-07-02 上海安亿纳米材料有限公司 Method of preparing nano-zinc borate
CN106219565A (en) * 2016-07-25 2016-12-14 淄博五维实业有限公司 The preparation method of three hydrate zinc borates
CN108147421B (en) * 2016-12-05 2021-08-06 辽宁首钢硼铁有限责任公司 Preparation method of zinc borate
CN110564037A (en) * 2019-08-30 2019-12-13 浙江润阳新材料科技股份有限公司 Preparation of flame-retardant smoke-inhibiting irradiation crosslinked polyethylene for automotive interior
CN113773671A (en) * 2021-10-13 2021-12-10 赣州启源新材料有限公司 Preparation method of high-dispersity nano flaky zinc borate powder

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3549316A (en) * 1967-06-26 1970-12-22 United States Borax Chem Zinc borate of low hydration and method for preparing same
CN1072655A (en) * 1991-11-22 1993-06-02 美国博克斯化学有限公司 Zinc borate
SU1834846A3 (en) * 1991-05-16 1993-08-15 Tobapищectbo C Oгpahичehhoй Otbetctbehhoctью "Эkoxиmmaш" Metal borates process
TR199901134A2 (en) * 1999-05-21 2002-01-21 Öztürk Fahretti̇n 3.5 moles. crystalline aqueous zincborate production.
CN1364142A (en) * 2000-01-11 2002-08-14 水泽化学工业株式会社 Zinc borate, its preparation method and its use

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3549316A (en) * 1967-06-26 1970-12-22 United States Borax Chem Zinc borate of low hydration and method for preparing same
SU1834846A3 (en) * 1991-05-16 1993-08-15 Tobapищectbo C Oгpahичehhoй Otbetctbehhoctью "Эkoxиmmaш" Metal borates process
CN1072655A (en) * 1991-11-22 1993-06-02 美国博克斯化学有限公司 Zinc borate
TR199901134A2 (en) * 1999-05-21 2002-01-21 Öztürk Fahretti̇n 3.5 moles. crystalline aqueous zincborate production.
CN1364142A (en) * 2000-01-11 2002-08-14 水泽化学工业株式会社 Zinc borate, its preparation method and its use

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Granted publication date: 20070613

Termination date: 20110930