CN104194634A - Reduced-color reagent for preparing light-color rosin - Google Patents
Reduced-color reagent for preparing light-color rosin Download PDFInfo
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- CN104194634A CN104194634A CN201410386052.7A CN201410386052A CN104194634A CN 104194634 A CN104194634 A CN 104194634A CN 201410386052 A CN201410386052 A CN 201410386052A CN 104194634 A CN104194634 A CN 104194634A
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Abstract
The invention discloses a reduced-color reagent for preparing light-color rosin, belonging to the technical field of rosin processing. The reduced-color reagent is prepared from the following raw materials in parts by weight: 5-10 parts of sodium thiosulfate crystals, 10-15 parts of hypophosphite crystals and 50-55 parts of zeolite. The preparation method comprises the following steps: soaking zeolite into a 0.1mol/L lead nitrate solution for 1-2 days; taking out zeolite, drying zeolite at the temperature of 80-95 DEG C until the moisture content is 20-30 percent; roasting at the temperature of 300-450 DEG C for 6-8 hours, and cooling to obtain a substance A; and uniformly mixing the substance A, the sodium thiosulfate crystals and the hypophosphite crystals, thereby obtaining the reduced-color reagent. According to the invention, the oxidation reaction of rosin in the rosin preparation process can be effectively reduced, so that rosin of very light color is prepared.
Description
Technical field
The invention belongs to rosin processing technique field, relate in particular to a kind of light-colored agent of preparing pale rosin.
Background technology
Rosin be take pine resin as raw material, the non-volatile natural resin obtaining by different processing modes.Wherein, pale rosin is important industrial chemicals, is widely used in the industries such as soap, papermaking, paint, rubber.But, because oxidizing reaction easily occurs rosin in preparation process, cause the color of the rosin that makes excessively dark, cannot reach the demand in market.
Summary of the invention
The technical problem that the present invention solves is to provide a kind of light-colored agent of preparing pale rosin, this light-colored agent is used in the process of preparing rosin, can solve the product rosin color making excessively dark, cannot reach the problem of the market requirement.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:
A light-colored agent of preparing pale rosin, is prepared from by the raw material of following weight part: 5 parts～10 parts of thiosulfuric acid sodium crystals, 10 parts～15 parts, Hypophosporous Acid, 50 crystal, 50 parts～55 parts, zeolite;
Its preparation method comprises the following steps:
A. zeolite is placed in to the lead nitrate solution that concentration is 0.1mol/L, soaks 1 day～2 days; Then take out, first at 80 ℃～95 ℃, dry to water content be 20%～30%, and then roasting 6 hours～8 hours at 300 ℃～450 ℃, the cooling substance A that obtains, standby;
B. by the substance A making and above-mentioned thiosulfuric acid sodium crystal, Hypophosporous Acid, 50 crystal mixes, and obtains.
Owing to adopting technique scheme, the beneficial effect that the present invention obtains is:
The present invention can effectively reduce the oxidizing reaction of rosin in the process of preparing rosin, thereby makes the very shallow rosin of color.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described, and protection scope of the present invention is not only confined to following examples.
Embodiment 1
This light-colored agent of preparing pale rosin is prepared from by following raw material: thiosulfuric acid sodium crystal 5g, Hypophosporous Acid, 50 crystal 10g, zeolite 55g;
Its preparation method comprises the following steps:
A. zeolite is placed in to the lead nitrate solution that concentration is 0.1mol/L, soaks 1 day; Then take out, first at 80 ℃, dry to water content be 20%, and then roasting 8 hours at 300 ℃, the cooling substance A that obtains, standby;
B. by the substance A making and above-mentioned thiosulfuric acid sodium crystal, Hypophosporous Acid, 50 crystal mixes, and obtains.
The light-colored agent that the present embodiment makes is for the preparation of rosin, and its addition is 2%, and Ghana's look of the rosin making number is 3, and softening temperature is 97 ℃.
Embodiment 2
This light-colored agent of preparing pale rosin is prepared from by following raw material: thiosulfuric acid sodium crystal 10g, Hypophosporous Acid, 50 crystal 15g, zeolite 50g;
Its preparation method comprises the following steps:
A. zeolite is placed in to the lead nitrate solution that concentration is 0.1mol/L, soaks 2 days; Then take out, first at 95 ℃, dry to water content be 30%, and then roasting 6 hours at 450 ℃, the cooling substance A that obtains, standby;
B. by the substance A making and above-mentioned thiosulfuric acid sodium crystal, Hypophosporous Acid, 50 crystal mixes, and obtains.
The light-colored agent that the present embodiment makes is for the preparation of rosin, and its addition is 2.5%, and Ghana's look of the rosin making number is 3, and softening temperature is 98 ℃.
Embodiment 3
This light-colored agent of preparing pale rosin is prepared from by following raw material: thiosulfuric acid sodium crystal 8g, Hypophosporous Acid, 50 crystal 12g, zeolite 51g;
Its preparation method comprises the following steps:
A. zeolite is placed in to the lead nitrate solution that concentration is 0.1mol/L, soaks 1 day; Then take out, first at 95 ℃, dry to water content be 25%, and then roasting 7 hours at 400 ℃, the cooling substance A that obtains, standby;
B. by the substance A making and above-mentioned thiosulfuric acid sodium crystal, Hypophosporous Acid, 50 crystal mixes, and obtains.
The light-colored agent that the present embodiment makes is for the preparation of rosin, and its addition is 3%, and Ghana's look of the rosin making number is 3, and softening temperature is 96 ℃.
Claims (1)
1. a light-colored agent of preparing pale rosin, is characterized in that being prepared from by the raw material of following weight part: 5 parts～10 parts of thiosulfuric acid sodium crystals, 10 parts～15 parts, Hypophosporous Acid, 50 crystal, 50 parts～55 parts, zeolite;
Its preparation method comprises the following steps:
A. zeolite is placed in to the lead nitrate solution that concentration is 0.1mol/L, soaks 1 day～2 days; Then take out, first at 80 ℃～95 ℃, dry to water content be 20%～30%, and then roasting 6 hours～8 hours at 300 ℃～450 ℃, the cooling substance A that obtains, standby;
B. by the substance A making and above-mentioned thiosulfuric acid sodium crystal, Hypophosporous Acid, 50 crystal mixes, and obtains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410386052.7A CN104194634A (en) | 2014-08-07 | 2014-08-07 | Reduced-color reagent for preparing light-color rosin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410386052.7A CN104194634A (en) | 2014-08-07 | 2014-08-07 | Reduced-color reagent for preparing light-color rosin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104194634A true CN104194634A (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410386052.7A Pending CN104194634A (en) | 2014-08-07 | 2014-08-07 | Reduced-color reagent for preparing light-color rosin |
Country Status (1)
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| CN (1) | CN104194634A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101264454A (en) * | 2008-03-21 | 2008-09-17 | 广州英科新材料有限公司 | Composite catalyst and its application in preparing light-colored rosin esters |
| CN102408833A (en) * | 2011-07-25 | 2012-04-11 | 广西北流市兆周林产有限公司 | Preparation method of colorless pentalyn |
| CN102634281A (en) * | 2012-03-30 | 2012-08-15 | 玉林师范学院 | Color-lightening agent for preparing pale rosin and application thereof |
| CN103214971A (en) * | 2013-04-28 | 2013-07-24 | 上思县松香厂 | Preparation method of pale rosin ester |
-
2014
- 2014-08-07 CN CN201410386052.7A patent/CN104194634A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101264454A (en) * | 2008-03-21 | 2008-09-17 | 广州英科新材料有限公司 | Composite catalyst and its application in preparing light-colored rosin esters |
| CN102408833A (en) * | 2011-07-25 | 2012-04-11 | 广西北流市兆周林产有限公司 | Preparation method of colorless pentalyn |
| CN102634281A (en) * | 2012-03-30 | 2012-08-15 | 玉林师范学院 | Color-lightening agent for preparing pale rosin and application thereof |
| CN103214971A (en) * | 2013-04-28 | 2013-07-24 | 上思县松香厂 | Preparation method of pale rosin ester |
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Application publication date: 20141210 |