阅读说明：本技术 一种高保持力水性压敏胶及其制备工艺 (A kind of high retentivity water-borne pressure sensitive adhesive and its preparation process ) 是由 俞健钧 于 2019-09-25 设计创作，主要内容包括：本发明涉及一种压敏胶,具体是一种高保持力水性压敏胶,包括以下按重量份的原料：树脂120-180份、透明质酸15-25份、透明质酸钠20-35份、丙烯酸10-18份、羧甲基纤维素钠25-35份、辅料90-140份、溶剂20-70份。本发明中透明质酸保证了压敏胶不但具有柔滑的膜性,与羧甲基纤维素钠协同作用,锁水能力强,保湿效果好；透明质酸钠和丙烯酸进一步的配合透明质酸和羧甲基纤维素钠作用,进一步的加强压敏胶锁水能力,水性保持力高。解决了目前的压敏胶其锁水能力较差,长期放置后不能很好的保湿,进而造成整体的质量下降的问题。(The present invention relates to a kind of pressure sensitive adhesives, specifically a kind of high retentivity water-borne pressure sensitive adhesive, including following raw material by weight: 120-180 parts of resin, 15-25 parts of hyaluronic acid, 20-35 parts of Sodium Hyaluronate, 10-18 parts of acrylic acid, 25-35 parts of sodium carboxymethylcellulose, 90-140 parts of auxiliary material, 20-70 parts of solvent.Hyaluronic acid, which ensure that pressure sensitive adhesive not only, in the present invention has soft and smooth film property, acts synergistically with sodium carboxymethylcellulose, water lock ability is strong, and moistening effect is good；Sodium Hyaluronate and acrylic acid further cooperate hyaluronic acid and sodium carboxymethylcellulose to act on, further to reinforce pressure sensitive adhesive water lock ability, and aqueous retentivity is high.It is poor to solve current pressure sensitive adhesive its water lock ability, it is long-term place after cannot good moisturizing, the problem of in turn resulting in whole quality decline.)

1. a kind of high retentivity water-borne pressure sensitive adhesive, which is characterized in that including following raw material by weight:

120-180 parts of resin,

15-25 parts of hyaluronic acid,

20-35 parts of Sodium Hyaluronate,

10-18 parts of acrylic acid,

25-35 parts of sodium carboxymethylcellulose,

90-140 parts of auxiliary material,

20-70 parts of solvent.

2. a kind of high retentivity water-borne pressure sensitive adhesive according to claim 1, which is characterized in that the high aqueous pressure of retentivity Quick glue, including following raw material by weight:

130-160 parts of resin,

17-22 parts of hyaluronic acid,

23-30 parts of Sodium Hyaluronate,

12-17 parts of acrylic acid,

28-34 parts of sodium carboxymethylcellulose,

95-120 parts of auxiliary material,

25-55 parts of solvent.

3. a kind of high retentivity water-borne pressure sensitive adhesive according to claim 1, which is characterized in that the high aqueous pressure of retentivity Quick glue, including following raw material by weight:

140 parts of resin,

19 parts of hyaluronic acid,

27 parts of Sodium Hyaluronate,

15 parts of acrylic acid,

30 parts of sodium carboxymethylcellulose,

100 parts of auxiliary material,

35 parts of solvent.

4. a kind of high retentivity water-borne pressure sensitive adhesive according to claim 1 to 3, which is characterized in that the auxiliary material is to increase Mould the mixing that agent, filler, viscosity modifier, vulcanizing agent and anti-aging agent are added by the mass ratio of 1-3:8-15:2-4:1-5:2-7 Material.

5. a kind of high retentivity water-borne pressure sensitive adhesive according to claim 4, which is characterized in that the auxiliary material be plasticizer, The mixture that filler, viscosity modifier, vulcanizing agent and anti-aging agent are added by the mass ratio of 2:11:3:4:3.

6. a kind of high retentivity water-borne pressure sensitive adhesive according to claim 1 to 3, which is characterized in that the solvent is water With the mixed liquor of ethyl acetate.

7. a kind of high retentivity water-borne pressure sensitive adhesive according to claim 6, which is characterized in that the water and ethyl acetate Volume ratio is 1:3.

8. a kind of preparation process of -7 any high retentivity water-borne pressure sensitive adhesives according to claim 1, which is characterized in that packet Include following steps:

1) hyaluronic acid, Sodium Hyaluronate and sodium carboxymethylcellulose are stirred with the revolving speed of 200-600r/min, stirred Acrylic acid is at the uniform velocity added again in the process, continues to stir 20-50min after acrylic acid is added completely into, obtains first group of mixture；

2) ultrasonic vibration is carried out after resin and auxiliary material stirring, are added into solvent, obtains second group of mixture,

3), into second group of mixture, first group of mixture is added in stirring, stirs 10- with the revolving speed of 1000-2000r/min 30min stands 2-8h after carrying out ultrasonic vibration, obtains high retentivity water-borne pressure sensitive adhesive.

9. a kind of preparation process of high retentivity water-borne pressure sensitive adhesive according to claim 8, which is characterized in that the step 1) mixing speed in is 350r/min.

10. a kind of preparation process of high retentivity water-borne pressure sensitive adhesive according to claim 8, which is characterized in that the step It is rapid 3) in mixing speed be 1800r/min.

Technical field

The present invention relates to a kind of pressure sensitive adhesive, specifically a kind of high retentivity water-borne pressure sensitive adhesive and its preparation process.

Background technique

Pressure sensitive adhesive, the abbreviation of pressure-sensitive adhesive.It is a kind of adhesive for having and having sensibility to pressure.Mainly for the preparation of Pressure sensitive adhesive tape.Peeling force (adhesive tape and the peeling force showed after maxxaedium pressurization stickup) < adhesive of general pressure sensitive adhesive Cohesive force (active force between pressure-sensitive xanthan molecule) < adhesive base adhesion force (adhesive force between adhesive and substrate).This The pressure-sensitive adhesive of sample does not just have the generation of phenomena such as degumming in use.

Pressure sensitive adhesive can be divided into two class of rubber-type and resin type according to matrix resin ingredient.Rubber-type can be divided into natural rubber again With synthetic rubber class；Resin type mainly includes acrylic compounds, organic silicon and polyurethanes again.Rubber pressure sensitive adhesive is except main Ingredient is that other auxiliary elements are also added outside rubber, such as tackifying resin, plasticizer, filler, viscosity modifier, vulcanizing agent, is prevented Old agent, solvent etc. cooperate.And resinae pressure sensitive adhesive in addition to matrix resin also needs that defoaming agent, levelling agent, wetting agent etc. is added Auxiliary agent.

For current pressure sensitive adhesive, its water lock ability is poor, it is long-term place after cannot good moisturizing, in turn result in entirety Quality decline, a kind of high retentivity water-borne pressure sensitive adhesive and its preparation process are provided, to solve the above problems.

Summary of the invention

The purpose of the present invention is to provide a kind of high retentivity water-borne pressure sensitive adhesive and its preparation processes, to solve above-mentioned background The problem of being proposed in technology.

To achieve the above object, the invention provides the following technical scheme:

A kind of high retentivity water-borne pressure sensitive adhesive, including following raw material by weight:

120-180 parts of resin,

15-25 parts of hyaluronic acid,

20-35 parts of Sodium Hyaluronate,

10-18 parts of acrylic acid,

25-35 parts of sodium carboxymethylcellulose,

90-140 parts of auxiliary material,

20-70 parts of solvent.

As a further solution of the present invention: the high retentivity water-borne pressure sensitive adhesive, including following raw material by weight:

130-160 parts of resin,

17-22 parts of hyaluronic acid,

23-30 parts of Sodium Hyaluronate,

12-17 parts of acrylic acid,

28-34 parts of sodium carboxymethylcellulose,

95-120 parts of auxiliary material,

25-55 parts of solvent.

As further scheme of the invention: the high retentivity water-borne pressure sensitive adhesive, including following original by weight Material:

140 parts of resin,

19 parts of hyaluronic acid,

27 parts of Sodium Hyaluronate,

15 parts of acrylic acid,

30 parts of sodium carboxymethylcellulose,

100 parts of auxiliary material,

35 parts of solvent.

As further scheme of the invention: the auxiliary material is plasticizer, filler, viscosity modifier, vulcanizing agent and prevents The mixture that old agent is added by the mass ratio of 1-3:8-15:2-4:1-5:2-7.

As further scheme of the invention: the auxiliary material is plasticizer, filler, viscosity modifier, vulcanizing agent and prevents The mixture that old agent is added by the mass ratio of 2:11:3:4:3.

As further scheme of the invention: the solvent is the mixed liquor of water and ethyl acetate.

As further scheme of the invention: the volume ratio of the water and ethyl acetate is 1:3.

As it is a further object to provide a kind of preparation process of high retentivity water-borne pressure sensitive adhesive, including it is following Step:

1), hyaluronic acid, Sodium Hyaluronate and sodium carboxymethylcellulose are stirred with the revolving speed of 200-600r/min, Acrylic acid is at the uniform velocity added in whipping process again, continues to stir 20-50min after acrylic acid is added completely into, obtains first group of mixing Material；

2) ultrasonic vibration is carried out after resin and auxiliary material stirring, are added into solvent, obtains second group of mixture,

3), into second group of mixture, first group of mixture is added in stirring, stirs 10- with the revolving speed of 1000-2000r/min 30min stands 2-8h after carrying out ultrasonic vibration, obtains high retentivity water-borne pressure sensitive adhesive.

As further scheme of the invention: the mixing speed in the step 1) is 350r/min.

As further scheme of the invention: continuing the time of stirring in the step 1) after acrylic acid is added completely into For 30min.

As further scheme of the invention: the mixing speed in the step 3) is 1800r/min.

As further scheme of the invention: the mixing time in the step 3) is 25min.

As further scheme of the invention: the time of repose in the step 3) is 4h.

Compared with prior art, the beneficial effects of the present invention are:

1, hyaluronic acid ensure that pressure sensitive adhesive not only and have soft and smooth film property in the present invention, cooperate with sodium carboxymethylcellulose Effect, water lock ability is strong, and moistening effect is good；

2, Sodium Hyaluronate and acrylic acid further cooperate hyaluronic acid and sodium carboxymethylcellulose to act in the present invention, Further to reinforce pressure sensitive adhesive water lock ability, aqueous retentivity is high；

3, the preparation process of the high retentivity water-borne pressure sensitive adhesive of the present invention, preparation process is simple, and energy consumption is small, and preparation cost is low.

Specific embodiment

Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described, Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the scope of protection of the invention.