Glue Sticks - Hangzhou Rainbow Import & Export Co.,Ltd

Product Introduction

PVP is an ideal multi-purpose chemical material, widely used in adhesives, medicine, cosmetics and industry. Its good adhesion and solubility make it have an important position and value in modern production and technology.

Chemical Nature
Polyvinylpyrrolidone (PVP)

Appearance
The aqueous solutions are clear and colorless to slightly yellowish.
The powder products are white.

Odor
Slight characteristic odor.

Technical Data

	K value* (1 % in water)	Solids content in %*	Brookfield Viscosity in mPa·s at 23 °C/ in water in %*	pH value of a 10 % aqueous solution*	Residual NVP in ppm*
LUVITEC K 30 powder	27 – 33	95 – 100 %		3 – 7	≤ 100
LUVITEC K 30 solution approx. 30 % 27 – 33 29 – 31 % 4 – 8 ≤ 100	27 – 33	29 – 31 %		4 – 8	≤ 100
LUVITEC K 90 powder	88 – 92	95 – 100 %	10000 – 25000/201	5 – 9	≤ 100
LUVITEC K 90 HM powder	92 – 96	95 – 100 %	15000 – 30000/201	5 – 9	≤ 100
LUVITEC K 90 powder S	88 – 96	95 – 100 %	10000 – 30000/201	5 – 9	≤ 100
LUVITEC K 90 solution approx. 20 %	90 – 98	19 – 21 %	10000 – 40000/202	7 – 9	≤ 100

PVP Advantages

Adhesion performance

PVP has good adhesion and can be widely used as an adhesive in products such as glue, glue sticks, coatings, adhesives, etc. This makes PVP very practical in daily necessities and industrial applications.

Good solubility

It can be dissolved in water and many organic solvents, and has high water solubility and solubility. Its good solubility characteristics make it very popular in pharmaceuticals and cosmetics, and it is easy to mix and apply in different matrices.

Excellent film-forming properties

PVP can form a transparent and strong film on a variety of surfaces. This property makes it an ideal ingredient for protecting surfaces or extending product life in products such as skin care.

Non-toxic

As a non-allergenic material, PVP is widely used in pharmaceuticals and cosmetics, suitable for skin contact or internal use, ensuring safe use. Flexible chemical materials can adapt to different product formulations.

Application

Polyvinyl pyrrolidone is widely used in glue sticks, mainly due to its unique physical and chemical properties. The following is a detailed introduction:

for Glue sticks

1. As an adhesive
It has good hygroscopicity and solubility, can quickly dissolve and form an adhesive layer, ensuring that the glue stick can provide sufficient adhesion when it contacts the surface of the object.
The polymer structure of PVP can form a strong bonding effect with a variety of materials (such as paper, fabric, etc.).

2. Adjust viscosity and bonding time
PVP has different molecular weights, and the viscosity and bonding time of the glue stick can be adjusted according to needs. By using different types of PVP, manufacturers can control the bonding speed of the glue stick so that it can be bonded quickly without drying too quickly, providing enough adjustment time.

3. Improve the stability of the glue stick
The chemical properties of PVP are stable, which can make the glue stick less likely to decompose or deteriorate during storage and use, and extend its shelf life. This is critical for the long-term storage and use of glue sticks, especially for products that need to be stored for a long time.

4. Improve the flexibility and plasticity of the glue stick
It can enhance the smoothness and plasticity of the glue stick during use, so that it can be evenly applied on different surfaces.

FAQ

1.Why is PVP chosen as the adhesive component in glue sticks?
Because it has excellent water solubility, good adhesion and biocompatibility. PVP can show excellent adhesion on a variety of materials without causing harm to the skin or the environment.

2. Is the use of PVP in glue sticks toxic?
Polyvinylpyrrolidone is a non-toxic, non-irritating chemical that is widely used in medicine, food and cosmetics.

3. What properties does PVP enhance in glue sticks?
Adhesion: PVP has excellent adhesion properties, allowing glue sticks to maintain a strong bond on the surface of a variety of materials.
Film-forming properties: PVP can form a strong and transparent film after drying, ensuring that the materials remain firm after bonding.

4. How does the solubility of PVP in glue sticks affect the performance of the product?
PVP has good water solubility, which means that it can dissolve quickly when it encounters water or moisture, ensuring that the bonding surface can be effectively bonded.

5. How stable is PVP in glue sticks?
It shows good chemical stability under different temperature and humidity conditions. In high temperature or humid environment, the PVP component in the glue stick is not easy to degrade or fail.