CN111500801A - Leather maintenance agent and preparation method thereof - Google Patents
Leather maintenance agent and preparation method thereof Download PDFInfo
- Publication number
- CN111500801A CN111500801A CN202010348011.4A CN202010348011A CN111500801A CN 111500801 A CN111500801 A CN 111500801A CN 202010348011 A CN202010348011 A CN 202010348011A CN 111500801 A CN111500801 A CN 111500801A
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- essential oil
- leather
- weight
- parts
- resin
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- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C11/00—Surface finishing of leather
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
The invention discloses a leather care agent, which comprises 30-45 parts by weight of solid resin, 0.1-0.5 part by weight of natural plant essential oil, 1-5 parts by weight of curing agent, 0.7-6 parts by weight of glycerol and 0.5-2 parts by weight of surfactant, and the leather care agent can be wiped on leather, so that the leather can be softened, the hand feeling can be improved, the leather can be protected and protected, the leather is not easy to age, the elasticity of the leather can be kept for a long time, the color of the leather can be maintained, the leather care agent can emit pleasant fragrance to meet the requirements of different customers, meanwhile, the natural plant essential oil has no chemical corrosivity, the leather has better protective performance and has the effects of sterilization and mildew prevention.
Description
Technical Field
The invention relates to the field of leather care agents and preparation thereof, and particularly relates to a leather care agent and a preparation method thereof.
Background
The leather is animal skin which is obtained by physical and chemical processing such as unhairing, tanning and the like and is denatured and non-perishable. The leather is formed by tightly weaving natural protein fibers in a three-dimensional space, and the surface of the leather is provided with a special grain surface layer which has natural grains and luster and comfortable hand feeling. The leather industry covers the main industries of leather making, shoes making, leather clothing, leather pieces, fur and products thereof and the matching industries of leather chemical industry, leather hardware, leather machinery, auxiliary materials and the like.
With the higher living standard of people, leather products gradually enter the daily life of people, and leather products such as leather shoes, leather clothes, leather bags and the like become popular consumer goods. However, as the use time increases, the grease inside the leather volatilizes or is destroyed, and the leather product becomes hard, the hand feeling deteriorates, and the gloss is lost, thereby affecting the beauty. However, some of the existing leather care agents excessively seek to brighten and polish the leather, and neglect to supplement grease for the leather, so that some leather products are bright and beautiful in surface, and actually have poor air permeability, which seriously affects user experience. Therefore, there is a need to design a novel leather care agent capable of sufficiently supplementing grease to leather. .
Disclosure of Invention
In order to solve the problems, the invention provides a leather maintenance agent and a preparation method thereof, and the leather maintenance agent can effectively eliminate dust in leather gaps and can restore luster of the leather surface. The invention specifically comprises the following contents:
the invention aims to provide a leather maintenance agent, which is technically characterized in that: the leather maintenance agent is prepared from 30-45 parts by weight of solid resin, 0.1-0.5 part by weight of natural plant essential oil, 1-5 parts by weight of curing agent, 0.7-6 parts by weight of glycerin and 0.5-2 parts by weight of surfactant.
In some embodiments of the invention, the solid resin is selected from at least one of rosin, wood rosin, tall oil rosin, hydrogenated rosin, maleated rosin, rosin esters, pinene resin, dipentene resin, C5 petroleum resin, C9 petroleum resin, dammar resin, copal resin, dicyclopentadiene resin, hydrogenated dicyclopentadiene resin, and maleated styrene resin.
In some embodiments of the invention, the natural plant essential oil is selected from at least one of lemon essential oil, citronella essential oil, lavender essential oil, clove essential oil, eucalyptus essential oil, peppermint essential oil, cedar essential oil, rosemary essential oil, lemongrass essential oil, rose geranium essential oil, cajeput essential oil, thyme essential oil, catmint essential oil, sweet wormwood essential oil, and eucalyptus citriodora essential oil.
Further, the natural plant essential oil is at least one selected from thyme essential oil, lemon essential oil and mint essential oil.
In some embodiments of the present invention, the curing agent is at least one selected from the group consisting of methyl methacrylate, butyl acrylate, and triallyl cyanurate.
In some embodiments of the invention, the surfactant is selected from at least one of an anionic surfactant, a nonionic surfactant, and an amphoteric surfactant.
Further, the anionic surfactant is selected from at least one of sodium lauryl sulfate, sodium dodecyl benzene sulfonate, sodium secondary alkyl sulfonate and dodecyl dimethyl betaine.
Further, the nonionic surfactant is at least one selected from the group consisting of octadecyl polyoxyethylene, fatty acid sorbitan polyoxyethylene and polysorbate.
Further, the amphoteric surfactant is at least one selected from the group consisting of sodium lauryl sarcosinate, lauryl dimethyl betaine, cocamidopropyl ammonium oxide, and disodium lauroamphodiacetate.
The invention also provides a preparation method of the leather maintenance agent, which comprises the following steps: putting 0.7-6 parts by weight of glycerol and 30-45 parts by weight of solid resin into a stirrer, uniformly mixing, heating at 40-50 ℃ for 1-2h while stirring, wherein the stirring speed is 500-rmp, then putting 1-5 parts by weight of curing agent and 0.5-2 parts by weight of surfactant into the stirrer, heating to 60-70 ℃, stirring at the rotating speed of 800-1000rmp for 0.5-1.5h, cooling to room temperature, adding 0.1-0.5 part by weight of natural plant essential oil, and uniformly stirring at room temperature to obtain the leather maintenance agent.
Compared with the prior art, the invention has the beneficial effects that:
the leather care agent disclosed by the invention is wiped on leather, so that the leather can be softened, the hand feeling is improved, the leather can be protected and protected, the leather is not easy to age, the elasticity of the leather is kept for a long time, the color of the leather is maintained, the leather care agent can emit pleasant fragrance, the requirements of different customers are met, meanwhile, the natural-value plant essential oil does not have chemical corrosivity, the protection performance on leather is better, and the leather care agent has the effects of sterilization and mildew prevention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below so that those skilled in the art can better understand the advantages and features of the present invention, and thus the scope of the present invention will be more clearly defined. The embodiments described herein are only a few embodiments of the present invention, rather than all embodiments, and all other embodiments that can be derived by one of ordinary skill in the art without inventive faculty based on the embodiments described herein are intended to fall within the scope of the present invention.
Example 1
The formula of the leather maintenance agent comprises: 40 parts by weight of solid resin (wherein the rosin is wood rosin is 1: 1), 0.3 part by weight of natural plant essential oil (lemon essential oil), 3 parts by weight of curing agent (triallyl cyanurate), 3.5 parts by weight of glycerol and 1.2 parts by weight of surfactant (sodium lauryl sulfate).
Preparing the leather maintenance agent according to the formula: putting 3.5 parts by weight of glycerol and 40 parts by weight of solid resin into a stirrer, uniformly mixing, heating at 45 ℃ for 1-2h while stirring, wherein the stirring speed is 550rmp, then putting 3 parts by weight of curing agent and 1.2 parts by weight of surfactant into the stirrer, heating to 65 ℃, stirring at the rotating speed of 900rmp for 1h, cooling to room temperature, adding 0.3 part by weight of natural plant essential oil, and uniformly stirring at normal temperature to obtain the leather maintenance agent.
Example 2
The formula of the leather maintenance agent comprises: 45 parts by weight of a solid resin (tall oil rosin: hydrogenated rosin: 2: 1), 0.1 part by weight of natural plant essential oil (lavender essential oil), 1 part by weight of a curing agent (butyl acrylate), 0.7 part by weight of glycerin, and 0.5 part by weight of a surfactant (polysorbate).
Preparing the leather maintenance agent according to the formula: adding 0.7 weight part of glycerin and 45 weight parts of solid resin into a stirrer, uniformly mixing, heating at 40 ℃ for 2 hours while stirring, wherein the stirring speed is 500rmp, adding 1 weight part of curing agent and 0.5 weight part of surfactant into the stirrer, heating to 60 ℃, stirring at the rotating speed of 800rmp for 1.5 hours, cooling to room temperature, adding 0.1 weight part of natural plant essential oil, and uniformly stirring at normal temperature to obtain the leather maintenance agent.
Example 3
The formula of the leather maintenance agent comprises: 30 parts of solid resin (dipentene resin), 0.5 part of natural plant essential oil (clove essential oil: 3: 1), 5 parts of curing agent (triallyl cyanurate), 6 parts of glycerol and 2 parts of surfactant (disodium lauroamphodiacetate).
Preparing the leather maintenance agent according to the formula: putting 6 parts by weight of glycerol and 30 parts by weight of solid resin into a stirrer, uniformly mixing, heating at 50 ℃ for 1h while stirring, wherein the stirring speed is 600rmp, then putting 5 parts by weight of curing agent and 2 parts by weight of surfactant into the stirrer, heating to 70 ℃, stirring at the rotating speed of 1000rmp for 0.5h, cooling to room temperature, adding 0.5 part by weight of natural plant essential oil, and uniformly stirring at room temperature to obtain the leather maintenance agent.
Examples of the experiments
The leather care agents prepared in examples 1 to 3 and two commercially available leather care agents were subjected to physical and chemical property tests,
the leather care agent was placed in an environment at 50 ℃ and observed for delamination after 2 months.
The leather care agent was roll coated at 4g per foot of leather and dried. Determining the softness of the leather by using an ST300 softness instrument; determining the color fastness of the leather by adopting a leather fading tester; the dry wiping performance and the wet wiping performance of the leather are detected by referring to GB/T4689.20, and the results are shown in Table 1
TABLE 1
| Example 1 | Example 2 | Example 3 | Comparative example 1 | Comparative example 2 | |
| Stability of | Without change | Without change | Without change | Layering | Layering |
| Flexibility | 6.01 | 6.56 | 6.78 | 5.20 | 5.02 |
| Color fastness | 5 | 5 | 5 | 2 | 2 |
| Permeability of water | Good taste | Good taste | Good taste | Good wine | Good wine |
The present invention provides only a leather care agent and a method for preparing the same, and a plurality of methods and ways for implementing the technical scheme, and the above description is only a preferred embodiment of the present invention, it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should be regarded as the protection scope of the present invention, and each component not explicitly described in the embodiment can be implemented by the prior art.
Claims (10)
1. A leather care agent characterized by: the leather maintenance agent is prepared from 30-45 parts by weight of solid resin, 0.1-0.5 part by weight of natural plant essential oil, 1-5 parts by weight of curing agent, 0.7-6 parts by weight of glycerin and 0.5-2 parts by weight of surfactant.
2. The leather care agent according to claim 1, wherein: the solid resin is at least one selected from rosin, wood rosin, tall oil rosin, hydrogenated rosin, maleated rosin, rosin ester, pinene resin, dipentene resin, C5 petroleum resin, C9 petroleum resin, dammar resin, copal resin, dicyclopentadiene resin, hydrogenated dicyclopentadiene resin and maleated styrene resin.
3. The leather care agent according to claim 1, wherein: the natural plant essential oil is at least one of lemon essential oil, citronella essential oil, lavender essential oil, clove essential oil, eucalyptus essential oil, mint essential oil, cedar essential oil, rosemary essential oil, citronella essential oil, rose geranium essential oil, cajeput essential oil, thyme essential oil, catnip essential oil, sweet wormwood essential oil and eucalyptus citriodora essential oil.
4. The leather care agent according to claim 3, wherein: the natural plant essential oil is at least one of thyme essential oil, lemon essential oil and mint essential oil.
5. The leather care agent according to claim 1, wherein: the curing agent is at least one selected from methyl methacrylate, butyl acrylate and triallyl cyanurate.
6. The leather care agent according to claim 1, wherein: the surfactant is selected from at least one of anionic surfactant, nonionic surfactant and amphoteric surfactant.
7. The leather care agent according to claim 6, wherein: the anionic surfactant is at least one selected from sodium lauryl sulfate, sodium dodecyl benzene sulfonate, secondary alkyl sodium sulfonate and dodecyl dimethyl betaine.
8. The leather care agent according to claim 6, wherein: the nonionic surfactant is at least one selected from the group consisting of octadecyl polyoxyethylene, fatty acid sorbitan polyoxyethylene and polysorbate.
9. The leather care agent according to claim 6, wherein: the amphoteric surfactant is at least one selected from sodium dodecyl sarcosinate, dodecyl dimethyl betaine, cocamidopropyl ammonium oxide and disodium lauroamphodiacetate.
10. A leather treatment according to any one of claims 1 to 7, wherein: the preparation method of the leather maintenance agent comprises the following steps: putting 0.7-6 parts by weight of glycerol and 30-45 parts by weight of solid resin into a stirrer, uniformly mixing, heating at 40-50 ℃ for 1-2h while stirring, wherein the stirring speed is 500-rmp, then putting 1-5 parts by weight of curing agent and 0.5-2 parts by weight of surfactant into the stirrer, heating to 60-70 ℃, stirring at the rotating speed of 800-1000rmp for 0.5-1.5h, cooling to room temperature, adding 0.1-0.5 part by weight of natural plant essential oil, and uniformly stirring at room temperature to obtain the leather maintenance agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010348011.4A CN111500801A (en) | 2020-04-28 | 2020-04-28 | Leather maintenance agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010348011.4A CN111500801A (en) | 2020-04-28 | 2020-04-28 | Leather maintenance agent and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111500801A true CN111500801A (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010348011.4A Withdrawn CN111500801A (en) | 2020-04-28 | 2020-04-28 | Leather maintenance agent and preparation method thereof |
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| CN (1) | CN111500801A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103666286A (en) * | 2013-11-22 | 2014-03-26 | 南通信一服饰有限公司 | Caring and polishing agent for leather clothing |
| CN104450999A (en) * | 2014-10-18 | 2015-03-25 | 青岛拓联信息技术有限公司 | Care agent for vehicle leather seat |
| CN106009825A (en) * | 2016-06-29 | 2016-10-12 | 宋雁群 | Leather-care finishing agent |
-
2020
- 2020-04-28 CN CN202010348011.4A patent/CN111500801A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103666286A (en) * | 2013-11-22 | 2014-03-26 | 南通信一服饰有限公司 | Caring and polishing agent for leather clothing |
| CN104450999A (en) * | 2014-10-18 | 2015-03-25 | 青岛拓联信息技术有限公司 | Care agent for vehicle leather seat |
| CN106009825A (en) * | 2016-06-29 | 2016-10-12 | 宋雁群 | Leather-care finishing agent |
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Application publication date: 20200807 |
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