阅读说明：本技术 一种抗拉皮革表层水处理工艺 (Tensile leather surface layer water treatment process ) 是由 邓海 于 2020-06-16 设计创作，主要内容包括：本发明公开了一种抗拉皮革表层水处理工艺,该抗拉皮革表层水处理工艺包括如下步骤：P1、备料；P2、一次滚光；P3、底涂；P4、二次滚光；P5、浸润；P6、定型；P7、保护：在定型皮革带表面喷涂变色腊,自然阴干凝固,形成保护层,即可完成皮革的表层处理,本发明提供的一种抗拉皮革表层水处理工艺,通过对皮革进行滚光后进行底涂,可以有效提高处理剂的附着效果,并且减少对皮革内部的渗透,避免影响本身结构强度,然后再通过浸润的方式大面积处理,避免遗漏,结合后续的烘干和喷涂防护,有效改善表面处理特性,保证持续时长,避免龟裂萎缩,增强处理效果,利于推广使用。(The invention discloses a tensile leather surface water treatment process, which comprises the following steps: p1, preparing materials; p2, primary tumbling; p3, priming; p4, secondary roll finishing; p5, soaking; p6, sizing; p7, protection: the surface water treatment process for the tensile leather can effectively improve the adhesion effect of a treating agent, reduce the permeation into the leather, avoid influencing the structural strength of the leather, then treat the leather in a large area by an infiltration mode, avoid omission, combine subsequent drying and spraying protection, effectively improve the surface treatment characteristic, ensure the duration, avoid cracking and atrophy, enhance the treatment effect and facilitate popularization and use.)

1. A tensile leather surface water treatment process is characterized in that: the tensile leather surface water treatment process comprises the following steps:

p1, preparing materials: selecting soft leather to prepare a leather belt for later use;

p2, primary tumbling: putting the leather belt into a tumbling machine, and carrying out tumbling extrusion treatment to obtain a tumbling leather belt;

p3, base coat: spraying a diluting treatment agent on the surface of the barreled leather belt, and then carrying out primary drying treatment to obtain a primary-coated leather belt;

p4, secondary roller burnishing: placing the base-coat leather belt in a tumbling mill, and carrying out secondary tumbling treatment to obtain a reprocessed leather belt;

p5, infiltration: putting the retreated leather belt into a treating agent, heating to 45-55 ℃, continuing for 25-30 minutes, taking out, and extruding out the redundant treating agent to obtain an infiltrated leather belt;

p6, setting: carrying out secondary drying and shaping on the soaked leather belt to obtain a shaped leather belt;

p7, protection: and spraying color-changing wax on the surface of the shaped leather belt, naturally drying in the shade and solidifying to form a protective layer, and finishing the surface treatment of the leather.

2. The water treatment process for the tensile leather surface layer according to claim 1, which is characterized in that: the soft leather of the step P1 comprises natural leather and artificial leather, and the cut edge is modified.

3. The water treatment process for the tensile leather surface layer according to claim 1, which is characterized in that: the primary tumbling temperature of the step P2 is 70-80 ℃, the pressure is 5-6 MPa, and the conveying speed is 1.5-1.8 meters per minute.

4. The water treatment process for the tensile leather surface layer according to claim 1, which is characterized in that: the diluting treatment agent in the step P3 is diluted by adopting a treatment agent and water in a ratio of 1: 100-150.

5. The water treatment process for the tensile leather surface layer according to claim 1, which is characterized in that: the treating agent in the step P5 comprises 15-25% of microlite candle, 40-65% of ethanol, 10-15% of silicone oil, 8-15% of polydimethyl ethyl ether, 5-8% of essence, 3-6% of defoaming agent and 2-5% of silicon dioxide modified gelatin.

6. The water treatment process for the tensile leather surface layer according to claim 1, which is characterized in that: the pressure of the P5 step for extruding the excess treating agent is 12MPa-15MPa, and natural draining is included, and the duration is 10 minutes to 12 minutes.

7. The water treatment process for the tensile leather surface layer according to claim 1, which is characterized in that: and the secondary drying in the step P6 is hot air drying after being laid flatly for 30 to 45 minutes.

8. The water treatment process for the tensile leather surface layer according to claim 1, which is characterized in that: the spraying of the step P7 adopts an atomizing spray head.

Technical Field

The invention relates to the technical field of leather treatment, in particular to a tensile leather surface water treatment process.

Background

In the current daily life, various leathers are widely used, and among the leathers, the leather with tensile property can be made into various products due to high elasticity and good tensile property, and the application range is wide.

However, in the production and treatment of the existing stretch-resistant leather, the surface needs to be treated and improved to reduce surface cracks, but the existing treatment mode is mostly operated by spraying sizing glue, which not only easily affects the internal structure of the leather, but also easily causes color shrinkage and affects the treatment effect in a long time use, so a new treatment process needs to be proposed.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a water treatment process for a tensile leather surface layer.

In order to achieve the purpose, the invention adopts the following technical scheme:

a water treatment process for a tensile leather surface layer comprises the following steps:

p1, preparing materials: selecting soft leather to prepare a leather belt for later use;

p2, primary tumbling: putting the leather belt into a tumbling machine, and carrying out tumbling extrusion treatment to obtain a tumbling leather belt;

p3, base coat: spraying a diluting treatment agent on the surface of the barreled leather belt, and then carrying out primary drying treatment to obtain a primary-coated leather belt;

p4, secondary roller burnishing: placing the base-coat leather belt in a tumbling mill, and carrying out secondary tumbling treatment to obtain a reprocessed leather belt;

p5, infiltration: putting the retreated leather belt into a treating agent, heating to 45-55 ℃, continuing for 25-30 minutes, taking out, and extruding out the redundant treating agent to obtain an infiltrated leather belt;

p6, setting: carrying out secondary drying and shaping on the soaked leather belt to obtain a shaped leather belt;

p7, protection: and spraying color-changing wax on the surface of the shaped leather belt, naturally drying in the shade and solidifying to form a protective layer, and finishing the surface treatment of the leather.

Preferably, the soft leather of the step P1 includes natural leather and artificial leather, and the cut edge is trimmed.

Preferably, the primary tumbling temperature of the step P2 is 70-80 ℃, the pressure is 5-6 MPa, and the conveying speed is 1.5-1.8 meters per minute.

Preferably, the diluting treatment agent of the P3 step is diluted by adopting the ratio of the treatment agent to water of 1: 100-150.

Preferably, the treating agent in the step P5 comprises 15-25% of microlite candle, 40-65% of ethanol, 10-15% of silicone oil, 8-15% of polydimethylether, 5-8% of essence, 3-6% of defoaming agent and 2-5% of silica modified gelatin.

Preferably, the pressure at which the P5 step extrudes the excess treating agent is between 12MPa and 15MPa, and includes natural draining, for a period of time between 10 minutes and 12 minutes.

Preferably, the secondary drying in the step P6 is hot air drying after being laid flat for 30 to 45 minutes.

Preferably, the spraying of the step P7 adopts an atomizing spray head, so that the spraying is more uniform.

According to the tensile leather surface water treatment process, the leather is subjected to the roller burnishing and then subjected to the primary coating, so that the adhesion effect of the treatment agent can be effectively improved, the permeation to the interior of the leather is reduced, the influence on the structural strength of the leather is avoided, the leather is subjected to large-area treatment in an infiltration mode, omission is avoided, the subsequent drying and spraying protection are combined, the surface treatment characteristic is effectively improved, the duration is ensured, the cracking and shrinking are avoided, the treatment effect is enhanced, and the process is favorable for popularization and use.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

A water treatment process for a tensile leather surface layer comprises the following steps:

p1, preparing materials: selecting soft leather to prepare a leather belt for later use;

p2, primary tumbling: putting the leather belt into a tumbling machine, and carrying out tumbling extrusion treatment to obtain a tumbling leather belt;

p3, base coat: spraying a diluting treatment agent on the surface of the barreled leather belt, and then carrying out primary drying treatment to obtain a primary-coated leather belt;

p4, secondary roller burnishing: placing the base-coat leather belt in a tumbling mill, and carrying out secondary tumbling treatment to obtain a reprocessed leather belt;

p5, infiltration: putting the retreated leather belt into a treating agent, heating to 45-55 ℃, continuing for 25-30 minutes, taking out, and extruding out the redundant treating agent to obtain an infiltrated leather belt;

p6, setting: carrying out secondary drying and shaping on the soaked leather belt to obtain a shaped leather belt;

p7, protection: and spraying color-changing wax on the surface of the shaped leather belt, naturally drying in the shade and solidifying to form a protective layer, and finishing the surface treatment of the leather.

Preferably, the soft leather of the step P1 includes natural leather and artificial leather, and the cut edge is trimmed.

Preferably, the primary tumbling temperature of the step P2 is 70-80 ℃, the pressure is 5-6 MPa, and the conveying speed is 1.5-1.8 m/min.

Preferably, the diluting treatment agent in the P3 step is diluted by adopting the treatment agent and water in the ratio of 1: 100-150.

Preferably, the treating agent in the step P5 comprises 15-25% of microlite candle, 40-65% of ethanol, 10-15% of silicone oil, 8-15% of polydimethylether, 5-8% of essence, 3-6% of defoaming agent and 2-5% of silica modified gelatin.

Preferably, the pressure at which the P5 step extrudes the excess treating agent is between 12MPa and 15MPa, and includes natural draining, for a period of time between 10 minutes and 12 minutes.

Preferably, the secondary drying in the step P6 is hot air drying after being laid flat for 30 to 45 minutes.

According to the tensile leather surface water treatment process, the leather is subjected to the roller burnishing and then subjected to the primary coating, so that the adhesion effect of the treatment agent can be effectively improved, the permeation to the interior of the leather is reduced, the influence on the structural strength of the leather is avoided, the leather is subjected to large-area treatment in an infiltration mode, omission is avoided, the subsequent drying and spraying protection are combined, the surface treatment characteristic is effectively improved, the duration is ensured, the cracking and shrinking are avoided, the treatment effect is enhanced, and the process is favorable for popularization and use.