CN101831513A - Greasing agent for improving strength of leather and preparation method thereof - Google Patents

Abstract

The invention provides a greasing agent for improving strength of leather and a preparation method thereof. The greasing agent comprises the following components in part by weight: 0 to 100 parts of polyoxyethylene alkyl phosphate, 150 to 200 parts of fish oil amide, 50 to 100 parts of chlorinated paraffin, 1 to 5 parts of sodium carboxymethylcellulose, 40 to 150 parts of alkyl sodium sulfonate, 0 to 500 parts of olive oil polyethylene glycol ester and 0 to 450 parts of No.30 engine oil. The greasing agent has the advantage of obviously improving the strength of the leather, namely the tear resistance of the leather so that the leather after greasing treatment has smoothness and softness, strong silk feeling, stable quality, low cost and good permeability, absorption and absorption amount.

Description

A kind of fatting agent that improves strength of leather and preparation method thereof

Technical field

The present invention relates to a kind of fatting agent and preparation thereof of strength of leather.

Technical background

Along with the development of leather technology level, the intensity of leather, promptly tear strength becomes an important indicator weighing the leather quality.

Be processed in the process of leather at the natural animal skin, high-grade leather fat should possess flexible in the leather of the being softness, flexible in plentiful, has the smooth finish of silk fabrics, not the stiff rotten performance with the variation of weather and time.

Chinese patent application numbers 88106317 discloses the preparation of fatty amide yl carboxylic acid sodium composite leather fat, it is that main composite upward sulfation lard, clorafin, alkylsulphonic acid ammonium are formed by fatty amide yl carboxylic acid sodium, this patent claims that fat liquoring complex agent is effective, filling properties is good, but can not reach the purpose of obvious raising leather lear energy.

Summary of the invention

The purpose of this invention is to provide a kind of fatting agent that improves strength of leather and preparation method thereof, solve problems of the prior art.

The fatting agent of raising strength of leather provided by the invention, its parts by weight are composed as follows:

Polyxyethylated phosphoesterase 30～100 part

150～200 parts of fish oil acid amides

50～100 parts of clorafins

1～5 part of Xylo-Mucine

40～150 parts of alkyl sodium sulfonates

0～500 part of sweet oil macrogol ester

0～450 part in 30# machine oil

Preferably, described clorafin is the 52# clorafin;

Preferably, described alkyl sodium sulfonate is more than one in sodium laurylsulfonate, sodium cetanesulfonate or the 12～octadecyl sodium sulfonate mixed alkyl sodium sulfonate;

The molecular-weight average of described sweet oil macrogol ester is 400～2000;

Described fish oil acid amides can adopt the commercially available prod, the product of the quick vast and boundless Fine Chemical Co., Ltd in Shanghai;

The preparation method of the fatting agent of above-mentioned raising strength of leather comprises the steps:

(1) polyxyethylated phosphoric acid ester and fish oil acid amides are mixed under 35～45 ℃ condition;

(2) clorafin and sweet oil macrogol ester or 30# machine oil are mixed under 45～55 ℃ condition;

(3) mixture with step (1) gained adds in the mixture of step (2) gained, under 45～55 ℃ condition, mix, be warming up to 50～60 ℃ then, add Xylo-Mucine and alkyl sodium sulfonate, mix, promptly get product, outward appearance is yellow or white emulsion, and pH value 〉=5 are preferably 5.5～6.0.

The invention has the advantages that, can obviously improve the intensity of leather, promptly the tear strength of leather makes leather greasing handle the back smooth pliable, and silk-like handle is strong, and constant product quality is with low cost, and product perviousness, sorbency and sorption amount are good.

Embodiment

Embodiment 1

Prescription: (weight part)

Polyxyethylated phosphoric acid ester 100

Fish oil acid amides 200

Clorafin 50

Xylo-Mucine 5

Alkyl sodium sulfonate 100

Sweet oil macrogol ester 500

Clorafin is the 52# clorafin;

The molecular-weight average of sweet oil macrogol ester is 2000;

Alkyl sodium sulfonate is a sodium laurylsulfonate.

The preparation method:

(1) with polyxyethylated phosphoric acid ester and fish oil acid amides under 40 ℃ condition, mix;

(2) with clorafin and sweet oil macrogol ester under 50 ℃ condition, mix;

(3) mixture with step (1) gained adds in the mixture of step (2) gained, under 50 ℃ condition, stirs, and is warming up to 50 ℃ then, adds Xylo-Mucine and alkyl sodium sulfonate and stirs, and promptly gets product.Outward appearance is yellow or white emulsion, and pH value is 5.5.

According to following technology example one product is tested, ox-hide is adopted in test:

??％(W/W)	Weight (g)	Change material	Time (minute)
				??200	?5000	55 ℃ in water
??3	?75	Example 1 product	??45
				??1	?25	Dyestuff (black)	??15
??2	?50	Laking agent	??15
				??1.5	?37.5	Formic acid	??20
		The draining cold wash

Detect after finishing

1, the water of Pai Chuing is limpider, and it is residual not have dyestuff substantially, and dyestuff absorbs fully;

2, stuffing is effective, and feel is along sliding;

3, contrast is found, before and after the stuffing, the intensity of leather (tear resistance) obviously promotes;

Embodiment 2

Prescription: (weight part)

Fish oil acid amides 150

Clorafin 100

Xylo-Mucine 5

Alkyl sodium sulfonate 40

30# machine oil 450

Clorafin is the 52# clorafin;

Described alkyl sodium sulfonate is the mixture of sodium laurylsulfonate and octadecyl sodium sulfonate, and weight ratio is 1: 1.

The preparation method is:

(1) the fish oil acid amides is heated to 45 ℃;

(2) with clorafin and 30# machine oil under 55 ℃ condition, mix;

(3) mixture with step (1) gained adds in the mixture of step (2) gained, under 55 ℃ condition, stirs, and is warming up to 60 ℃ then, adds Xylo-Mucine and alkyl sodium sulfonate and stirs, and promptly gets product.Outward appearance is yellow or white emulsion, and PH 6.0.

According to following technology example two products are tested, lamb skin is adopted in test:

??％(W/W)	Weight (g)	Change material	Time (minute)
				??200	?5000	55 ℃ in water
??3	?75	Example 2 products	??60
				??1	?25	Dyestuff (yellow)	??15
??2	?50	Laking agent	??15
				??1.5	?37.5	Formic acid	??10
		The draining cold wash

Detect after finishing

1, the water of Pai Chuing is limpider, and it is residual not have dyestuff substantially, and dyestuff absorbs fully;

2, stuffing is effective, and feel is along sliding;

3, contrast is found, before and after the stuffing, the intensity of leather (tear resistance) obviously promotes;

Embodiment 3

Prescription: (weight part)

Polyxyethylated phosphoric acid ester 100

Fish oil acid amides 180

Clorafin 50

Xylo-Mucine 1

Alkyl sodium sulfonate 150

Sweet oil macrogol ester 500

30# machine oil 450

The molecular-weight average of sweet oil macrogol ester is 2000;

Clorafin is the 52# clorafin;

Described alkyl sodium sulfonate is the mixture of sodium laurylsulfonate and octadecyl sodium sulfonate, and weight ratio is 1: 1.

The preparation method is:

(1) with polyxyethylated phosphoric acid ester and fish oil acid amides under 40 ℃ condition, mix;

(2) with clorafin, sweet oil macrogol ester and 30# machine oil under 55 ℃ condition, mix;

(3) mixture with step (1) gained adds in the mixture of step (2) gained, under 55 ℃ condition, stirs, and is warming up to 60 ℃ then, adds Xylo-Mucine and alkyl sodium sulfonate and stirs, and promptly gets product.Outward appearance is yellow or white emulsion, and PH 6.0.

According to following technology example two products are tested, woollen leather is adopted in test:

??％(W/W)	Weight (g)	Change material	Time (minute)
				??200	?5000	55 ℃ in water
??3	?75	Example 3 products	??60
				??1	?25	Dyestuff (black)	??15
??2	?50	Laking agent	??10
				??1.5	?37.5	Formic acid	??20
		The draining cold wash

Detect after finishing

4, the water of Pai Chuing is limpider, and it is residual not have dyestuff substantially, and dyestuff absorbs fully;

5, stuffing is effective, and feel is along sliding;

6, contrast is found, before and after the stuffing, the intensity of leather (tear resistance) obviously promotes.

Claims (5)

1. fatting agent that improves strength of leather is characterized in that parts by weight are composed as follows:

Polyxyethylated phosphoesterase 30～100 part

150～200 parts of fish oil acid amides

50～100 parts of clorafins

1～5 part of Xylo-Mucine

40～150 parts of alkyl sodium sulfonates

0～500 part of sweet oil macrogol ester

0～450 part in 30# machine oil.

2. the fatting agent of raising strength of leather according to claim 1 is characterized in that, described clorafin is the 52# clorafin.

3. the fatting agent of raising strength of leather according to claim 1 is characterized in that, described alkyl sodium sulfonate is more than one in sodium laurylsulfonate, sodium cetanesulfonate or 12～18 alkyl sodium sulfonate mixed alkyl sodium sulfonates.

4. the fatting agent of raising strength of leather according to claim 1 is characterized in that, the molecular-weight average of described sweet oil macrogol ester is 400～2000.

5. according to the preparation method of the fatting agent of each described raising strength of leather of claim 1～4, it is characterized in that, comprise the steps:

(1) polyxyethylated phosphoric acid ester and fish oil acid amides are mixed under 35～45 ℃ condition;

(2) clorafin and sweet oil macrogol ester or 30# machine oil are mixed under 45～55 ℃ condition;

(3) mixture with step (1) gained adds in the mixture of step (2) gained, under 45～55 ℃ condition, mixes, and is warming up to 50～60 ℃ then, adds Xylo-Mucine and alkyl sodium sulfonate, mixes, and promptly gets product.